Region | Title | System | Version | Edition | Languages | Serial | Status |
| M1 Tank Platoon II | PC | | Demo | | | |
| Maabus (Passkey 1) | PC | | Original | | | |
| Maabus (Passkey 2) | PC | | Original | | | |
| Maabus (Passkey 3) | PC | | Original | | | |
| MacAddict: The Disc 06: February 1997 | MAC | | | | | |
| MacAddict: The Disc 07: March 1997 | MAC | | | | | |
| MacAddict: The Disc 08: April 1997 | MAC | | | | | |
| MacAddict: The Disc 09: May 1997 | MAC | | | | | |
| MacAddict: The Disc 10: June 1997 | MAC | | | | | |
| MacAddict: The Disc 11: July 1997 | MAC | | | | | |
| MacAddict: The Disc 13: September 1997 | MAC | | | | | |
| MacAddict: The Disc 14: October 1997 | MAC | | | | | |
| MacAddict: The Disc 15: November 1997 | MAC | | | | | |
| MacAddict: The Disc 16: December 1997 | MAC | | | | | |
| MacAddict: The Disc 17: January 1998 | MAC | | | | | |
| MacAddict: The Disc 18: February 1998 | MAC | | | | | |
| MacAddict: The Disc 19: March 1998 | MAC | | | | | |
| MacAddict: The Disc 21: May 1998 | MAC | | | | | |
| MacAddict: The Disc 22: June 1998 | MAC | | | | | |
| MacAddict: The Disc 23: July 1998 | MAC | | | | | |
| MacAddict: The Disc 24: August 1998 | MAC | | | | | |
| MacAddict: The Disc 25: September 1998 | MAC | | | | | |
| MacAddict: The Disc 26: October 1998 | MAC | | | | | |
| MacAddict: The Disc 27: November 1998 | MAC | | | | | |
| MacAddict: The Disc 29: January 1999 | MAC | | | | | |
| MacAddict: The Disc 30: February 1999 | MAC | | | | | |
| MacAddict: The Disc 48: August 2000 | MAC | | | | | |
| MacAddict: The Disc 49: September 2000 | MAC | | | | | |
| MacAddict: The Disc 79: March 2003 | MAC | | | | | |
| MacAddict: The Disc 80: April 2003 | MAC | | | | | |
| MacAddict: The Disc 81: May 2003 | MAC | | | | | |
| MacAddict: The Disc 84: August 2003 | MAC | | | | | |
| MacAddict: The Disc 85: September 2003 | MAC | | | | | |
| Mace Griffin: Bounty Hunter (Disc 1) | PC | | Original | | | |
| Mace Griffin: Bounty Hunter (Disc 2) | PC | | Original | | | |
| Mace Griffin: Bounty Hunter (Disc 3) | PC | | Original | | | |
| Mace Griffin: Bounty Hunter (Disc 4) | PC | | Original | | | |
| MacHome CD: April 1999 | MAC | | Original | | | |
| MacHome CD: February-March 1999 | MAC | | Original | | | |
| MacHome CD: July 1999 | MAC | | Original | | | |
| MacHome CD: March 1999 | MAC | | Original | | | |
| MacHome CD: November 1999 | MAC | | Original | | | |
| MacHome CD: September 1999 | MAC | | Original | | | |
| MacHome: 1999 Game CD | MAC | | Original | | | |
| Mad Dog II: The Lost Gold | 3DO | | Arcade CD-ROM | | | |
| Mad Dog II: The Lost Gold | PC | 1.01 | Original | | | |
| Mad Dog McCree | PC | 1.01 | | | | |
| Mad Dog McCree | PC | 1.01 | 5 ft. 10 PAK Collector's Edition | | | |
| Mad Dog McCree | PC | 1.02 | Original | | | |
| Mad Gab | PC | | Original | | | |
| MAD: Global Thermonuclear War MAD: Mutually Assured Destruction | PC | 1.0.0.1 | Rerelease | | | |
| Madden NFL 08 | XBOX | | Beta | | | |
| Madden NFL 10 | XBOX360 | | Head & Shoulders Demo | | | |
| Madden NFL 2000 | PC | | Original, Bundle Version OEM | | | |
| The Madness of Roland | PC | | Original | | | |
| Maelstrom: The Ultimate Galactic Strategy Game | PC | 1.1 | Original | | | |
| Mafalda Juegos Interactivos | PC | | Original | | | |
| Mafia (Disc 1) | PC | 1.0 | Original, Maximum Underworld | | | |
| Mafia (Disc 1) | PC | 1.2 | Rerelease | | | |
| Mafia (Disc 2) | PC | 1.0 | Original, Maximum Underworld | | | |
| Mafia (Disc 2) | PC | 1.2 | Rerelease | | | |
| Mafia (Disc 3) | PC | 1.0 | Original, Maximum Underworld | | | |
| Mafia (Disc 3) | PC | 1.2 | Rerelease | | | |
| Mafia II | PC | 1.0 | Original | | | |
| Magic & Mayhem | PC | | Original | | | |
| Magic & Mayhem for Heretic | PC | | Original | | | |
| Magic & Mayhem: The Art of Magic | PC | | Original | | | |
| Magic Ball 2 | PC | | Original | | | |
| Magic Carpet | PC | Beta v8.0 - Jun 22 1995 | Bundle Version Compaq OEM | | | |
| Magic Carpet / PGA Tour 96 | PC | | Bundle Version Compaq OEM | | | |
| The Magic Death: Virtual Murder 2 | PC | | CD-ROM Ten Pak | | | |
| Magic Encyclopedia | PC | | Original | | | |
| Magic Encyclopedia: Moonlight | PC | | Original | | | |
| The Magic of Interactive Entertainment | PC | | Book Bundle | | | |
| The Magic of Interactive Entertainment: 2nd Edition (Disc 1) | PC | | Book Bundle | | | |
| The Magic of Interactive Entertainment: 2nd Edition (Disc 2) | PC | | Book Bundle | | | |
| Magic Tales: Imo & the King | PC | | Original | | | |
| Magic: The Gathering Online | PC | beta 1.0 | Beta | | | |
| Magic: The Gathering: BattleMage | PC | | Original | | | |
| Magic: The Gathering: Ninth Edition Demo CD-ROM | PC | | | | | |
| Magic: The Gathering: Starter Level | PC | | Seventh Edition | | | |
| Magic: The Gathering: Starter Level | PC | | Sixth Edition | | | |
| Magic: The Gathering: Trading Card Game | PC | | Demo | | | |
| Magicom Collection featuring 40 Hot Games, Doom | PC | 2.1 | Original | | | |
| Magicom Collection featuring Armageddon | PC | 2.1 | Original | | | |
| Magicom Collection featuring Delirium | PC | 2.1 | Original | | | |
| Magicom Collection featuring Puzzle 40 Pack | PC | 2.1 | Original | | | |
| Magicom Collection featuring Touch Type Tutor | PC | 2.1 | Original | | | |
| Mah Jong Medley Mahjong Medley | PC | 2.01 | Original | | | |
| Mah Jong Quest MahJong Quest: An Epic Tale of Tile Matching | PC | | Original | | | |
| MahJong Quest 3: The Balance of Life | PC | | Original | | | |
| MahJong Quest II | PC | | Original | | | |
| Mahjongg | PALM | 1.0 | Original | | | |
| Mahjongg Artifacts | PC | | | | | |
| Mahjongg Classic | PC | | Original | | | |
| Mahjongg Master 4 | PC | 1.0 | Original | | | |
| Mahjongg Platinum 4 Mahjongg 4 Deluxe | PC | | Original | | | |
| Mahjongg: Volume 2 | PALM | | Original | | | |
| Maisy's Playhouse | PC | | Original | | | |
| Majestic Part 1: Alien Encounter Majestic Part I: Alien Encounter | PC | | Original | | | |
| Major League Baseball: PC Games Sampler 2000 | PC | | | | | |
| Major Stryker | PC | 1.4 | Original | | | |
| Make My Video: INXS | MCD | | Beta | | | |
| Make My Video: Marky Mark and the Funky Bunch | MCD | | Beta | | | |
| Malice Malice: 23rd Century Ultraconversion for Quake | PC | | Original | | | |
| Mall of America Tycoon | PC | | Original | | | |
| Mall Tycoon | PC | 1.1 | Rerelease | | | |
| Mall Tycoon | PC | 1.1 | Rerelease | | | |
| Mall Tycoon | PC | 1.1 | Rerelease | | | |
| Mall Tycoon 2 | PC | | Original | | | |
| Mall Tycoon 2 | PC | | Original | | | |
| Mall Tycoon 2 Deluxe | PC | | Original | | | |
| Man Enough (Disc 1) | PC | 1.0.4 | Original | | | |
| Man Enough (Disc 2) | PC | 1.0.4 | Original | | | |
| Man Parts | PC | | Original | | | |
| Mandrake Linux Gaming Edition (Disc 1) (First Installation CD) | PC | | Original | | | |
| Mandrake Linux Gaming Edition (Disc 2) (Second Installation CD) | PC | | Original | | | |
| Mandrake Linux Gaming Edition (Disc 3) (Commercial Applications CD 1) | PC | | Original | | | |
| The Manhole | MAC | | Original | | | |
| The Manhole | MAC | | Original | | | |
| The Manhole: CD-ROM Masterpiece Edition | MAC | | Original | | | |
| The Manhole: CD-ROM Masterpiece Edition | PC | | Original | | | |
| The Manhole: New and Enhanced! | PC | | | | | |
| Manhunt (Disc 1) | PC | | Original | | | |
| Manhunt (Disc 2) | PC | | Original | | | |
| Manhunt (Disc 3) (Play) | PC | | Original | | | |
| Maniac Moons | PSX | | Prototype | | | |
| MapleStory iTrading Card Game MapleStory iTCG | PC | 038 | MapleStory iTCG Starter Set | | | |
| Maqiupai | DC | 1.700 | Unlicensed | | | |
| Marathon | MAC | 1.2 | Rerelease | | | |
| Marathon 2: Durandal | MAC | | Original | | | |
| Marathon Infinity | MAC | 1.2 | Original | | | |
| Marbles 3D X3D Marbles | PC | | X3D | | | |
| Marc Ecko's Getting Up: Contents Under Pressure | PS2 | 1.00 | Beta | | | |
| Mario Kart: Double Dash!! | GC | | Debug | | | |
| Marko | MCD | | Unlicensed | | | |
| Mars Moose Adventure: WalkAbout 1: The Natural History Museum | PC | 2.0 | Original | | | |
| Mars Moose Adventure: WalkAbout 2: The Shakespeare Festival | PC | 2.0 | Original | | | |
| Mars Moose Adventure: WalkAbout 3: World Sports Day | PC | 2.0 | Original | | | |
| Mars Moose Cosmic Quest 1: City Sights | PC | 2.0 | Original | | | |
| Mars Moose Cosmic Quest 2: Fairy Tale Island | PC | 2.0 | Original | | | |
| Mars Moose Cosmic Quest 3: Race Through France | PC | 2.0 | Original | | | |
| Mars Moose Stay and Play 1: In the Clubhouse | PC | 2.0 | Original | | | |
| Mars Moose Stay and Play 3: In Lonnie's Classroom | PC | 2.0 | Original | | | |
| Mars Moose Stay and Play 3: In Lonnie's Classroom | PC | 2.0 | Original | | | |
| Martian Gothic: Unification | PC | | Original | | | |
| Marvel Trading Card Game | PC | | Demo | | | |
| Marvel vs. Capcom 3: Fate of Two Worlds | PS3 | 00.00 | Beta | | | |
| Marvel: Ultimate Alliance (Press Kit) | PC | | Press Kit | | | |
| Mary-Kate & Ashley: Dance Party of the Century | PC | 1.0.0 | Original | | | |
| Mary-Kate and Ashley: Crush Course | PC | | | | | |
| The Mask: The Origin | PC | | Original | | | |
| Masque Bingo and Double Pay Multi-Way Keno | PC | 1.0.1 | Original | | | |
| Masque Mahjongg: The Ultimate Collection! | PC | | Original | | | |
| Masque Slots | PC | | Rerelease | | | |
| Masque Slots Slots: Actual Casino Slot Machines! | PC | 1.0.1 | Original | | | |
| Masque Slots | PC | 1.0.1 | Original | | | |
| Masque Slots II Masque Slots II: Actual Casino Slot Machines! | PC | 1.0.2 | Original | | | |
| Masque Video Slots Masque Video Slots: 25 Video Slot Machines! | PC | 1.0.1 | | | | |
| Mass Destruction | PC | | Original | | | |
| Massive Chalice | PC | | Kickstarter | | | |
| Massive Memory Card Plus | PC | | Original | | | |
| Masters of the Elements | PC | | 2 in 1 | | | |
| Math Ace Jr. | PC | | | | | |
| Math Blaster Algebra | PC | 1.0 | Original | | | |
| Math Blaster Jr. | PC | | Original | | | |
| Math Blaster Jr. | PC | | Original | | | |
| Math Blaster: Ages 4-6 | PC | 1.0C | Original | | | |
| Math Blaster: Ages 6-9 | PC | 1.0C | Original | | | |
| Math Blaster: Ages 9-12 | PC | 1.0 | Original | | | |
| Math Blaster: Episode 1: In Search of Spot | PC | 1.2c | Original | | | |
| Math Blaster: Episode 2: Secret of The Lost City | PC | | Original | | | |
| Math Gallery: Collection 1 | PC | 2.0 | Original | | | |
| Math Gallery: Collection 2 | PC | 2.0 | Original | | | |
| Math on the Move! 1: Addition/Subtraction Intermediate | PC | 2.0 | Original | | | |
| Math on the Move! 1: Addition/Subtraction Intermediate | PC | 2.0 | Original | | | |
| Math on the Move! 2: Multiplication/Division Intermediate | PC | 2.0 | Original | | | |
| Math Rescue / Word Rescue | PC | | Original | | | |
| Math Workshop Math Workshop: Computation and Problem Solving Skills | PC | 1.1 | Original | | | |
| Math-A-Thon Presents: Puzzlepets Puzzle Island Adventure | PC | | Original | | | |
| Math-A-Thon presents: Puzzlepets Puzzle Island Adventure | PC | | Rerelease | | | |
| Mathemagics: An Interactive Learning Cube | 3DO | | Original | | | |
| The Mathtastic Game Show El Juego Espectacular Matematastico | PC | | Teacher's Edition | | | |
| Maurice Ashley Teaches Chess | PC | | Rerelease | | | |
| Maurice Ashley Teaches Chess | PC | 1.0c | Original | | | |
| Mavis Beacon Teaches Typing: Version 11 | PC | 11 | Original | | | |
| Max Drive (PC Software Disc) | PC | | Original | | | |
| Max Drive Max Drive Memory Card Preparation Utility | GC | | Unlicensed | | | |
| Max Drive (PC Software Disc) | PC | 1.04 | Original | | | |
| Max Drive | PS2 | 1.33 (American) | Unlicensed | | | |
| Max Media Manager (PC Software) Max Media | PC | | | | | |
| Max Media Manager Max Media | PS2 | 1.37 (American) | Unlicensed | | | |
| Max Media Manager Pro | PC | 1.37 | Original | | | |
| Max Memory Online | PS2 | 1.14 (American) | Unlicensed | | | |
| Max Memory Online | PS2 | 1.16 (American) | Unlicensed | | | |
| Max Memory Power Saves: Volume 1 Bonus Powersaves | GC | | Unlicensed | | | |
| Max Payne | PC | 1.05 | Rerelease, Maximum Underworld | | | |
| Max Payne 2: The Fall of Max Payne (Install) | PC | 1.0.97.0 | Original | | | |
| Max Payne 2: The Fall of Max Payne (Play) | PC | 1.0.97.0 | Original | | | |
| Max Payne Pre-Order CD | PC | | Pre-Order Bonus | | | |
| Max TV | PS2 | 1.00 (American) | Unlicensed | | | |
| Maxim: Instant Messenger | PS2 | 1.00 (American) | Unlicensed | | | |
| Maximum CD: April 2001 | PC | | | | | |
| Maximum CD: April 2002 | PC | | | | | |
| Maximum CD: April 2009 | PC | | | | | |
| Maximum CD: April 2011 | PC | | | | | |
| Maximum CD: August 2001 | PC | | | | | |
| Maximum CD: August 2002 | PC | | | | | |
| Maximum CD: August 2003 | PC | | | | | |
| Maximum CD: August 2009 | PC | | | | | |
| Maximum CD: August 2011 | PC | | | | | |
| Maximum CD: December 1998 Maximum CD 04 | PC | | | | | |
| Maximum CD: December 2001 | PC | | | | | |
| Maximum CD: December 2002 | PC | | | | | |
| Maximum CD: December 2009 | PC | | | | | |
| Maximum CD: February 2002 | PC | | | | | |
| Maximum CD: February 2009 | PC | | | | | |
| Maximum CD: February 2011 | PC | | | | | |
| Maximum CD: Holiday 2005 | PC | | | | | |
| Maximum CD: January 2002 | PC | | | | | |
| Maximum CD: January 2009 | PC | | | | | |
| Maximum CD: January 2010 | PC | | | | | |
| Maximum CD: July 2001 | PC | | | | | |
| Maximum CD: July 2002 | PC | | | | | |
| Maximum CD: July 2005 | PC | | | | | |
| Maximum CD: July 2010 | PC | | | | | |
| Maximum CD: June 2000 | PC | | | | | |
| Maximum CD: June 2001 | PC | | | | | |
| Maximum CD: June 2002 | PC | | | | | |
| Maximum CD: June 2003 | PC | | | | | |
| Maximum CD: June 2005 | PC | | | | | |
| Maximum CD: March 2001 | PC | | | | | |
| Maximum CD: March 2002 | PC | | | | | |
| Maximum CD: March 2009 | PC | | | | | |
| Maximum CD: March 2011 | PC | | | | | |
| Maximum CD: May 2001 | PC | | | | | |
| Maximum CD: May 2002 | PC | | | | | |
| Maximum CD: May 2003 | PC | | | | | |
| Maximum CD: May 2009 | PC | | | | | |
| Maximum CD: November 2001 | PC | | | | | |
| Maximum CD: November 2007 | PC | | | | | |
| Maximum CD: November 2009 | PC | | | | | |
| Maximum CD: October 2001 | PC | | | | | |
| Maximum CD: October 2002 | PC | | | | | |
| Maximum CD: October 2006 | PC | | | | | |
| Maximum CD: September 2001 | PC | | | | | |
| Maximum CD: September 2002 | PC | | | | | |
| Maximum CD: September 2010 | PC | | | | | |
| Maximum Death for Doom II | PC | | Original | | | |
| Maximum Death for Heretic | PC | | Original | | | |
| Maximum Pool Sierra Sports Maximum Pool | PC | 1.0 | Original | | | |
| Maximum Road Kill Maximum Roadkill | PC | | Original | | | |
| Maximum Underworld | PC | | Maximum Underworld | | | |
| Maxis Electronic Press Kit: The Sims | PC | | Press Kit | | | |
| MaxPlay MaxPlay: Volume 01 | GC | | Unlicensed | | | |
| Mazer | 3DO | | Original | | | |
| MCI Proof Positive: Branch Seminar Productions: Portable Proof 7/94 | CDI | | Original | | | |
| MCI Proof Positive: Business Advantage networkMCI: Portable Proof 7/94 | CDI | | Original | | | |
| MCI Proof Positive: Telecommunications Revolution: Portable Proof: October 1994 | CDI | | Original | | | |
| MCI Proof Positive: Your Network Advantage: Portable Proof: October 1994 | CDI | | Original | | | |
| MD Stitches Mountain Dew Stitches: Do Not Drink the Clothing | PC | | Original | | | |
| MDK | PC | | Demo | | | |
| MDK: Mission Laguna Beach | PC | | Bundle Version Diamond OEM | | | |
| MDK2 | PC | 1.001 | Bundle Version OEM | | | |
| MechCommander: Desperate Measures MechCommander Gold | PC | 2.99.7.260 | Original | | | |
| MechWarrior 2: 31st Century Combat | PC | | Interactive Preview | | | |
| MechWarrior 2: 31st Century Combat | PC | | Bundle Version Compaq OEM | | | |
| MechWarrior 2: Mercenaries | PC | | Bundle Version Sony OEM | | | |
| MechWarrior 3 | PC | 1.0.0.8 | Rerelease | | | |
| MechWarrior 3 | PC | 1.0.0.8 | Original | | | |
| Medal of Honor | PSX | | Review | | | |
| Medal of Honor: Heroes 2 | WII | | Beta | | | |
| Medal of Honor: Pacific Assault (Disc 1) | PC | | | | | |
| Medal of Honor: Pacific Assault (Disc 2) | PC | | | | | |
| Medal of Honor: Pacific Assault (Disc 3) | PC | | | | | |
| Media Creator Software | PC | 1.20 | Original | | | |
| MediaMogul | CDI | 2.0 | Demo | | | |
| MediaMogul 1.0 | CDI | | | | | |
| MediaMogul 2.2 | CDI | | Demo | | | |
| MediaMogul Audition Scripts 2.2.1 | CDI | | | | | |
| Medieval II: Total War | PC | | Demo | | | |
| Medieval II: Total War | PC | | Gold Edition | | | |
| Medieval II: Total War (Disc 1) | PC | | Original, Limited Edition | | | |
| Medieval II: Total War (Disc 2) | PC | | Original, Limited Edition | | | |
| Medieval II: Total War: Gold Edition (Disc 1) | PC | | Original | | | |
| Medieval II: Total War: Kingdoms | PC | | Gold Edition | | | |
| MediEvil | PSX | | Beta | | | |
| MediEvil | PSX | | Beta | | | |
| MediEvil | PSX | | Beta | | | |
| MediEvil | PSX | | Beta | | | |
| MediEvil | PSX | | Beta | | | |
| Mega 7 Super Add-Ons | PC | | Original | | | |
| Mega Babies | PC | | Original | | | |
| Mega CD-ROM PC Shareware Spectacular 5 | PC | | Original | | | |
| Mega Man Legends | PC | | Original | | | |
| Mega Man X | PC | 1.0 | Original | | | |
| Mega Man X: Command Mission | GC | | Review | | | |
| Mega Man X3 | PC | | Original | | | |
| Mega Man X4 | PC | | Original | | | |
| Mega Man X5 | PC | | Original | | | |
| Mega Math Blaster (Disc 1) | PC | 1.0 | Original | | | |
| Mega Math Blaster (Disc 2) | PC | | Original | | | |
| Mega Memory | PS2 | 2.20 | Unlicensed | | | |
| Mega Memory | PS2 | 2.21 | Unlicensed | | | |
| Mega Memory | PS2 | 2.22 | Unlicensed | | | |
| Mega Memory | PS2 | 2.23 | Unlicensed | | | |
| Mega Puzzle Pack | PC | | Original | | | |
| MegaDoom Adventures | PC | | Original | | | |
| MegaDoom II | PC | | Original | | | |
| Megafortress | PC | | Mile High Club 8 Pack | | | |
| Megamedia Corporation | PC | | | | | |
| MegaRace | PC | 1.0.1 | | | | |
| MegaRace 3 | PC | SSV1.0 | Original | | | |
| Memento Mori | PC | | Original | | | |
| Memory Manager Plus | PS2 | 1.01 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.10 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.10 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.3 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.5 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.8 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 1.9 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 2.0 | Unlicensed | | | |
| Memory Manager Plus | PS2 | 2.10 | Unlicensed | | | |
| Men in Black: The Game | PC | 1.00.42 | Original | | | |
| Men of Valor (Disc 1) | PC | 1.0 | Original | | | |
| Men of Valor (Disc 2) | PC | 1.0 | Original | | | |
| Men of Valor (Disc 3) | PC | 1.0 | Original | | | |
| Men of Valor (Disc 4) | PC | 1.0 | Original | | | |
| Mensa MindTeasers | PC | | Original | | | |
| Menzoberranzan | PC | | Original | | | |
| Merchant Prince II | PC | | Original | | | |
| Mercury Meltdown Revolution | WII | | Beta | | | |
| Merscom Demo Disk | PC | | | | | |
| The Messenger (Disc 1) | PC | 1.0 | Original | | | |
| The Messenger (Disc 2) | PC | 1.0 | Original | | | |
| The Messenger (Disc 2) | PC | 1.0 | Original | | | |
| Messiah (Disc 1) | PC | | Original | | | |
| Messiah (Disc 2) | PC | | Original | | | |
| Metal Arms: Glitch in the System | XBOX | | Preview (Demo) | | | |
| Metal Fatigue (Disc 1) | PC | 1.00 | Original | | | |
| Metal Fatigue (Disc 2) | PC | 1.00 | Original | | | |
| Metal Gear Solid 2: Substance | PC | | Original | | | |
| Metal Knight Metal Knight: Mission: Terminate Resistance | PC | 1.10 | Original | | | |
| Metal Slug 7 | PC | | NDS Game Bundle | | | |
| Metalion | PPC | 1.10 | Original | | | |
| Metro3D, Inc. Media Kit 2000 | PC | | Press Kit | | | |
| Mia: The Kidnap Caper (Disc 1) Mia's Big Adventure Collection: The Kidnap Caper | PC | | Original | | | |
| Mia: The Kidnap Caper (Disc 2) Mia's Big Adventure Collection: The Kidnap Caper | PC | | Original | | | |
| Microcosm | 3DO | | Original | | | |
| Microsoft 3D Movie Maker | PC | | Original | | | |
| Microsoft Baseball 3D: 1998 Edition | PC | 1.0 | Original | | | |
| Microsoft E3 1999 | PC | | Press Kit | | | |
| Microsoft E3 2002: Electronic Press Kit | PC | | Press Kit | | | |
| Microsoft Entertainment Pack: The Puzzle Collection | PC | | Original | | | |
| Microsoft Flight Simulator 2000 (Disc 1) | PC | 7.0.0.4781 | Professional Edition | | | |
| Microsoft Flight Simulator 2000 (Disc 2) | PC | 7.0.0.4781 | Professional Edition | | | |
| Microsoft Flight Simulator for Windows 95 | PC | 6.0 | Original | | | |
| Microsoft Flight Simulator X (Disc 1) | PC | 10.0.60517.0 | Beta | | | |
| Microsoft Flight Simulator X (Disc 1) | PC | 10.0.60813.1 | Preview | | | |
| Microsoft Flight Simulator X (Disc 2) | PC | 10.0.60517.0 | Beta | | | |
| Microsoft Flight Simulator X (Disc 2) | PC | 10.0.60813.1 | Preview | | | |
| Microsoft Game Studios: Media CD | PC | | Press Kit | | | |
| Microsoft Home and Retail Division: Media Kit: Holiday 2000 | PC | | Press Kit | | | |
| Microsoft International Soccer 2000 | PC | 1.0.0.1 | Original | | | |
| Midnight Club II (Install) | PC | | Original | | | |
| Midnight Mysteries: Devil on the Mississippi | PC | | Collector's Edition | | | |
| Midnight Mysteries: Devil on the Mississippi | PC | | Collector's Edition | | | |
| Midnight Mysteries: Salem Witch Trials | PC | | Original | | | |
| Midnight Mysteries: Salem Witch Trials | PC | | Rerelease | | | |
| Midnight Mysteries: The Edgar Allen Poe Conspiracy | PC | | Original | | | |
| Midnight Racing Extended X3D Midnight Racer | PC | | X3D | | | |
| Midnight Stranger | PC | | Mail Order Rerelease | | | |
| Midway Arcade Classics Pocket Express Presents: Midway Arcade Classics | PALM | | Original | | | |
| Midway Arcade Treasures 2 (Disc 1) | PC | | Midway Arcade Treasures: Deluxe Edition | | | |
| Midway Arcade Treasures 2 (Disc 2) | PC | | Midway Arcade Treasures: Deluxe Edition | | | |
| Midway Arcade Treasures 3 | GC | | Beta | | | |
| Midway Arcade Treasures 3 (Disc 1) | PC | | Midway Arcade Treasures: Deluxe Edition | | | |
| Midway Arcade Treasures 3 (Disc 2) | PC | | Midway Arcade Treasures: Deluxe Edition | | | |
| Midway E3 2004 (Press Kit) | PC | | Press Kit | | | |
| Midway E3 2005 (Trailer Disc) | PC | | Press Kit | | | |
| Midway E3 2005 (Asset Disc) | PC | | Press Kit | | | |
| Midway E3 2005 (Asset Disc: Ed, Edd n Eddy) | PC | | Press Kit | | | |
| Midway E3 2005 (Asset Disc: Unreal Tournament 2007) | PC | | Press Kit | | | |
| Midway Hits List | PC | | Demo | | | |
| Midway: E3 Preview, Logos, Screen Shots | PC | | Press Kit | | | |
| MiG-29 | PC | 1.01.1 | Mile High Club 8 Pack | | | |
| Might & Magic: World of Xeen | MAC | | Original | | | |
| Might and Magic III: Isles of Terra | PC | | Slash | | | |
| Might and Magic III: Isles of Terra | PC | | Take Ten | | | |
| Might and Magic: Clouds of Xeen | PC | | | | | |
| Might and Magic: World of Xeen (Disc 1) | PC | | | | | |
| Might and Magic: World of Xeen (Disc 2) | PC | | | | | |
| Mighty Math Number Heroes | PC | 1.0 | Original | | | |
| Mighty Math: Zoo Zillions | PC | 1.11 | Original | | | |
| Mighty Mighty Missile | MCD | | Unlicensed | | | |
| Millennia: Altered Destinies | PC | 1.01 | Original | | | |
| Millennium Auction (Disc 1) (Game Disk) | PC | | Original | | | |
| Millennium Auction (Disc 2) (Extra Goodies Disk) | PC | | Original | | | |
| Millennium Gamepak | PC | | Original | | | |
| Millie & Bailey Kindergarten | PC | 1.0 | Original | | | |
| Millie & Bailey Preschool | PC | 1.0 | Original | | | |
| Millie's Math House | PC | 1.0 | Original | | | |
| Millie's Math House | PC | 2.0 | Original | | | |
| Milo and the Magical Stones | PC | | Original | | | |
| Milton Bradley Classic Board Games | PC | | General Mills | | | |
| Milton Bradley Classic Board Games Milton Bradley Board Games | PC | | General Mills | | | |
| Mind Teazzer | 3DO | | Original | | | |
| MindRover: The Europa Project | PC | 1.02 | Original | | | |
| MindRover: The Europa Project | PC | 1.07 | Linux (Loki) | | | |
| Mini Golf | PALM | 1.03 | Original | | | |
| Mini Golf Master | PC | 1.0jc | Rerelease | | | |
| Mini Ninjas | PC | 1.0 | Original | | | |
| Mini-Motion: Hoverboard Racing | PC | 1.00.000 | Original | | | |
| Mini-Omnipedia: Starfleet Academy Star Trek: Starfleet Academy | PC | | Bundled with Toy | | | |
| Minigolf ¡Top! Mini Golf Dream Courses | PC | | Covermount | | | |
| Mision Alien | PC | | Covermount | | | |
| Miss Maggie's Earth Adventures | PC | | Original | | | |
| Missing in Rome Insider Tales: Missing in Rome | PC | 1.0.0.0 | Original | | | |
| Mission Code: Millennium | PC | 1.0 | Original | | | |
| Mission Critical | PC | | Interactive Preview | | | |
| Mission Critical (Disc 1) | PC | 1.0.0 | Original | | | |
| Mission Critical (Disc 2) | PC | 1.0.0 | Original | | | |
| Mission Critical (Disc 3) | PC | 1.0.0 | Original | | | |
| MissionForce: CyberStorm | PC | | Original | | | |
| MissionForce: CyberStorm (Extra CD) | PC | | Original | | | |
| Mitzvah Man | PC | | Original | | | |
| Mixed-Up Mother Goose | PC | | SierraOriginals | | | |
| Mixed-Up Mother Goose Deluxe | PC | | Original | | | |
| MLB 08: The Show | PS3 | 01.00 | Beta | | | |
| MLB 2001 (Art Disc) | PC | | Press Kit | | | |
| MLB 2006 (Art and Information Disc) | PC | | Press Kit | | | |
| Mob Rule | PC | 1.0.0.4 | Original | | | |
| Mobil 1 Rally Championship | PC | | Original | | | |
| Mobile Forces | PC | 2002.05.03 | Original | | | |
| Modern Fighters | PC | 2.0 | Original | | | |
| Moebius: Empire Rising | PC | 3.5.7.45015 | Kickstarter Edition | | | |
| Mona & Moki 1: Drive Me Wild! | PC | 2.0 | Original | | | |
| Mona & Moki 2: Drive Me Wilder! | PC | 2.0 | Original | | | |
| Mona & Moki 2: Drive Me Wilder! | PC | 2.0 | Original | | | |
| Money Metropoli$: Saving for a Goal Is a World of Fun | PC | | Promo | | | |
| Money Town (Disc 1) | PC | 1.1 | Original | | | |
| Money Town (Disc 1) | PC | 1.1 | Original | | | |
| Money Town (Disc 2) | PC | | Original | | | |
| Money Town (Disc 2) | PC | | Original | | | |
| Monkey Island Anthology (Disc 1) (The Secret of Monkey Island / Monkey Island 2: Le Chuck's Revenge) | PC | | Limited Run Games | | | |
| Monkey Island Anthology (Disc 2) (The Curse of Monkey Island / Escape from Monkey Island) | PC | | Limited Run Games | | | |
| Monkey Island Anthology (Disc 3) (Tales of Monkey Island - Part 1) | PC | | Limited Run Games | | | |
| Monkey Island Anthology (Disc 4) (Tales of Monkey Island - Part 2) | PC | | Limited Run Games | | | |
| Monopoly | MAC | | Original | | | |
| Monopoly | PC | | Rerelease | | | |
| Monopoly | PC | 1.0 | | | | |
| Monopoly | PC | 1.0 | | | | |
| Monopoly | PC | 1.0 | Original | | | |
| Monopoly | PC | 1.0 | Original | | | |
| Monopoly | PC | 1.0 | Monopoly & Monopoly Junior, Rerelease | | | |
| Monopoly | PC | | General Mills | | | |
| Monopoly Junior | PC | 1.0 | General Mills | | | |
| Monster Bash | PC | 2.1 | Original | | | |
| Monster RPG 2 Monster 2 | PC | 1.12 | Limited Edition | | | |
| Monty Python and the Quest for the Holy Grail Monty Python & the Quest for the Holy Grail | PC | | Original | | | |
| Monty Python's Looney Bin (Complete Waste of Time & Pythonizer) | PC | | Original | | | |
| Mooky Mania Mooky Mania: A Madcap Introduction to Mooky and His Friends! | PC | 1.0 | Original | | | |
| Moraff's Maximum Mahjongg | PC | | Original | | | |
| Moraff's Maximum Mahjongg Volume 3 (Disc 1) | PC | | Original | | | |
| Moraff's Maximum Mahjongg Volume 3 (Disc 2) (Backgrounds) | PC | | Original | | | |
| Moraff's Maximum Mahjongg: Volume 2 | PC | | Original | | | |
| Moraff's MoreJongg | PC | 7.1 | Original | | | |
| More War: The Return of the Horde | PC | | Original | | | |
| Morphman | PC | | Original | | | |
| Mortal Kombat 4 | PSX | | Preview | | | |
| Mortal Kombat 4 Artwork: 11-5-98 | PC | | | | | |
| Mortal Kombat II | PC | | Original | | | |
| Mortal Kombat II | PC | 1.1 | Original | | | |
| Mortal Kombat Trilogy | PSX | | Beta | | | |
| Mortimer Beckett and the Secrets of Spooky Manor | PC | | Rerelease | | | |
| Mortimer Beckett and the Secrets of Spooky Manor | PC | | Original | | | |
| Mortyr II | PC | 1.354 | Original | | | |
| Moto Extreme | PC | | Corel CD Home series | | | |
| Moto GP 08 | PC | 1.1.0 | Original | | | |
| Moto Racer | PC | | Bundle Version Compaq OEM | | | |
| Moto X | PC | | Taco Bell | | | |
| MotoExtreme | PC | | Original | | | |
| MotoGP | WII | | Beta | | | |
| MotoGP 3 MotoGP Ultimate Racing Technology 3 | PC | | Original | | | |
| Movie Clips: Entertainment & Savings CD-ROM (Wall-E June 27) | PC | | Original | | | |
| The Movies | MAC | 1.0 | Original | | | |
| The Movies: Stunts & Effects Expansion Pack (Press Kit) | PC | | Press Kit | | | |
| MP3 DC: Use MP3 Audio CD's on Your Dreamcast | DC | 1.000 | Unlicensed | | | |
| MP3 DC: Use MP3 Audio CD's on Your Dreamcast | DC | 1.000 | Unlicensed | | | |
| MPG-Net Multi-Player Games Network | PC | 4.25 | Original | | | |
| MPX Changer: Games & Internet Data Exchange System | PC | | Original | | | |
| Mr. Men & Little Miss: Mr. Bump Presents: Challenge Bonhomme et les Dames: M. Rigolo Présente: Challenge | PC | | Original | | | |
| MSI 14 in 1 Games Collection | PC | | Bundle Version OEM | | | |
| MTV Sports: Skateboarding featuring Andy Macdonald | PC | | | | | |
| MTV's Beavis and Butt-Head in Virtual Stupidity | PC | 1.0 | Original | | | |
| MTV's Beavis and Butt-Head in Virtual Stupidity | PC | 1.0 | Rerelease | | | |
| MTV's Beavis and Butt-Head: Bunghole in One | PC | 1.0 | Original | | | |
| MTV's Spankin' New Disc | PC | | | | | |
| Multimedia Biology I | PC | | Original | | | |
| Multimedia Biology II | PC | | Original | | | |