Region | Title | System | Version | Edition | Languages | Serial | Status |
| Q*bert | PSX | | Original | | SLUS-00904 | |
| Qix Neo | PSX | | Original | | SLUS-01561 | |
| The Quaddle Family Mysteries 1: The Case of the Scarce Scarab: Lobby / Kitchen | PSX | | Original | | LSP-060101 … | |
| The Quaddle Family Mysteries 2: The Case of the Scarce Scarab: Garden | PSX | | Original | | LSP-060102 … | |
| The Quaddle Family Mysteries 3: The Case of the Scarce Scarab: Parlor / Family Room | PSX | | Original | | LSP-060103 … | |
| Quake II | PSX | | Original | | SLUS-00757 | |
| Q-Ball: Billiards Master | PS2 | 1.00 | Original | | SLUS 20070 | |
| Quake III: Revolution | PS2 | 1.00 | Original | | SLUS-20167 | |
| Quantum Theory | PS3 | 01.02 | Original | | BLUS-30329 | |
| Quake | SS | 1.019 | Original | | 81066 | |
| Quarterback Attack | SS | 1.000 | Original | | T-16213H | |
| Q*bert | DC | 1.003 | Original | | T-40403N | |
| Quake III: Arena | DC | 0.800 | Original | | 51061 | |
| Q.E.D. II Level Creator for Quake II, Hexen II & Quake | PC | 2.0.0126 | Original | | P/N 7412 | |
| Q.E.D. Level Creator for Quake | PC | 1.0 | Original | | P/N 7130 | |
| Q*bert | PC | | Original | | PRODUCT # 99688 | |
| Q*bert | PC | | Original | | PRODUCT # 99688 | |
| Q2 | PC | 2.0 | Rerelease | | | |
| The Q2 Files | PC | 2.0 | Rerelease | | | |
| QCast Tuner: Digital Media Player Software for PlayStation 2 (Computer Disk) | PC | | Original | | | |
| Qin: Tomb of the Middle Kingdom | PC | | | | | |
| Qoole for Quake | PC | 2.0 | Original | | | |
| The Quaddle Family Mysteries 1: The Case of the Scarce Scarab: Lobby / Kitchen | PC | 2.0 | Original | | | |
| The Quaddle Family Mysteries 2: The Case of the Scarce Scarab: Garden | PC | 2.0 | Original | | | |
| The Quaddle Family Mysteries 2: The Case of the Scarce Scarab: Garden | PC | 2.0 | Original | | | |
| The Quaddle Family Mysteries 3: The Case of the Scarce Scarab: Parlor / Family Room | PC | 2.0 | Original | | | |
| Quake | PC | 1.01 | Original | | 203-029-08 | |
| Quake | PC | 1.01 | Shareware | | 04-11636CD | |
| Quake | PC | 1.01 | Shareware | | 203-029-05 | |
| Quake | PC | 1.01 | Shareware | | 203-029-05 | |
| Quake | PC | 1.01 | Shareware | | | |
| Quake | PC | 1.01 | Shareware | | 203-029-05 | |
| Quake | PC | 1.06 | Original, Bundle Version OEM | | 04-12100, 04-15016CD | |
| Quake | PC | 1.06 | Rerelease | | 04-12100CD | |
| Quake | PC | 1.06 | id Anthology, Rerelease | | 04-10252CD3, 04-12100CD | |
| Quake | PC | 1.08 | Windows 95 & MS-DOS | | 04-12100CD | |
| Quake | PC | 1.08 | Quake: The Offering | | 1000463.101.US | |
| Quake | PC | 1.08 | Windows 95 & MS-DOS | | 04-12100CD | |
| Quake | PC | 1.09 | Ultimate Quake | | 32943.101.US | |
| Quake 4 (Disc 1) | PC | 1.0 | Original | | 32993.101.US | |
| Quake 4 (Disc 2) | PC | 1.0 | Original | | 32993.102.US | |
| Quake 4 (Disc 3) | PC | 1.0 | Original | | 32993.103.US | |
| Quake 4 (Disc 4) | PC | 1.0 | Original | | 32993.104.US | |
| Quake II | PC | | Bundle Version Diamond OEM | | 75000209-100 | |
| Quake II | PC | | Linux | | | |
| Quake II | PC | 3.05 | Original | | 1000095.101.US | |
| Quake II | PC | 3.06 | Original | | 1000095.101.US | |
| Quake II | PC | 3.14 | Quake II: Quad Damage | | 1000095.101.US | |
| Quake II | PC | 3.14 | Bundle Version Gateway OEM | | 1000435.101.US | |
| Quake II | PC | 3.14 | Rerelease | | 1000095.101.US | |
| Quake II | PC | 3.20 | Ultimate Quake | | 32943.102.US | |
| Quake II | PC | 3.20 | Rerelease | | 31154.101.US | |
| Quake II Mission Pack: Ground Zero | PC | 3.19 | Original, Quake II: Quad Damage | | 1000376.101.US | |
| Quake II Mission Pack: The Reckoning | PC | 3.15 | Original | | 1000268.101.US | |
| Quake II Mission Pack: The Reckoning | PC | 3.15 | Original, Quake II: Quad Damage | | 1000268.101.US | |
| Quake II Mission Pack: The Reckoning | PC | 3.15 | Original | | 1000268.101.US | |
| Quake II Mission Packs: The Reckoning & Ground Zero | PC | | Linux | | | |
| Quake II: Authorized Strategy Guide | PC | | Original | | P/N 7400 | |
| Quake III: Arena | PC | | Linux | | | |
| Quake III: Arena | PC | 1.30 | Rerelease, Ultimate Quake | | 1000505.101.US, 32943.103.US | |
| Quake III: Arena | PC | 1.32 | Rerelease | | 31756.101.US | |
| Quake III: Team Arena | PC | 1.27g | Original | | 1001469.101.US | |
| Quake Level Design Handbook | PC | | Original | | 2118-7 | |
| Quake Mission Pack No. 1: Scourge of Armagon | PC | 1.0 | Original | | 100001-101-US | |
| Quake Mission Pack No. 2: Dissolution of Eternity | PC | 1.0 | Original | | 1000002-101-US | |
| Quake Mission Packs: No. 1: Scourge of Armagon & No. 2: Dissolution of Eternity | PC | | Quake: The Offering | | 1000463.102.US | |
| Quantum Gate | PC | 1.0 | | | | |
| Quantum Gate: The Saga Begins | PC | | | | | |
| Quarantine | PC | | Original | | | |
| QuarterPole | PC | | Original | | | |
| Quest for Glory Anthology | PC | | Original | | | |
| Quest for Glory V: Dragon Fire (Original Music Soundtrack & Interactive Sneak Preview) | PC | | Collection Series | | | |
| Quest for Glory V: Dragon Fire (Install CD) | PC | 1.0 | Original | | | |
| Quest for Glory V: Dragon Fire (Game CD) | PC | 1.0 | Original | | | |
| Quest for Glory: Collection Series | PC | 1.0 | Original | | | |
| Quest for Glory: Shadows of Darkness | PC | 1.0 | SierraOriginals | | | |
| Quest for Glory: Shadows of Darkness | PC | 1.0 | Original | | 833724330/S372430 | |
| Quest for Glory: Shadows of Darkness | PC | 1.0 | Original | | | |
| Quest for Karma | PC | 1.1 | Original | | | |
| The Quest Trio | PC | | Original | | CDR2Z189D1, SJ042010 | |
| The Quest Trio: Jewels, Cards and Tiles | PC | | Original | | P/N 6010602-CD | |
| A Quiet Weekend in Capri (Disc 1) | PC | | Original | | | |
| A Quiet Weekend in Capri (Disc 2) | PC | | Original | | | |
| Qwirks | PC | 1.0 | Original | | 1-165-48-101 | |
| Quantum Redshift | XBOX | | Original | | MS-021 | |
| Quantum Theory | XBOX360 | | Original | | TC-2012 | |
| Qubed | XBOX360 | | Original | | IG-2046 | |
| Quake | ACD | | Original | | | |
| Quarantine | 3DO | RE | Original | | | |
| Quarantine | 3DO | RE2 | Original | | | |
| Quarterback Attack | 3DO | | Original | | | |
| QROM: Bringing Teachers & Technology Together | MAC | | Demo | | | |
| Quake | MAC | | Original | | P/N 7296C | |
| Quake | MAC | 1.08 | Original | | P/N 7296C | |
| Quake II Quake II for Macintosh | MAC | 3.20 | Original | | 1000686.101.US | |
| Quake 4 | MAC | | Original | | 11200-1DDA | |