| Region | Title | System | Version | Edition | Languages | Serial | Status |
|---|
 | Under a Killing Moon (Disc 3) | PC | | Original | | USG001 - 3 | ![2 and more dumps from original media [!]](/images/status/green.png "2 and more dumps from original media [!]") |
| Under a Killing Moon (Disc 3) | PC | | Kixx |  | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | USG001 - 4 | |
| Under a Killing Moon (Disc 4) | PC | | Kixx | | | |
 | Under a Killing Moon (Disc 1) (Versione Italiana Up-Grade) | PC | | Original |  | | |
 | Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 1) | PC | | Original | | | |
| Under a Killing Moon (Disc 2) | PC | | Original | | | |
| Under a Killing Moon (Disc 2) | PC | | Rerelease | | | |
| Under a Killing Moon (Disc 2) | PC | | Original | | | |
| Under a Killing Moon (Disc 3) | PC | | | | | |
| Under a Killing Moon (Disc 3) | PC | | Original | | | |
| Under a Killing Moon (Disc 3) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
| Under a Killing Moon (Disc 4) | PC | | Original | | | |
 | Under a Killing Moon (Disc 1) | PC | | Original | | | |
 | Under Defeat
アンダーディフィート | DC | 1.001 | Original, Genteiban |  | T-46704M, T-46705M | |
| Under Defeat HD
アンダーディフィートＨＤ | XBOX360 | | Original, Genteiban | | GR-2044 | |
| Under Defeat HD: Deluxe Edition | PS3 | 01.02 | Original |    | BLES-01752 | |
| Under Defeat HD: Deluxe Edition | PS3 | 01.01 | Original | | BLUS-31077 | |
| Under Night In-Birth
アンダー・ナイト・インヴァース | SRE2 | 0.10.02 | Original | | DVR-0058 | |
| Under Night In-Birth: Exe:Late | PS3 | 01.02 | Original | | BLJS 10269 | |
| Under Night In-Birth: Exe:Late | PS3 | 01.00 | Original | | BLUS-31490 | |
| Under the Moon: Crescent
アンダーザムーン ～クレセント～ | PS2 | 1.02 | Original | | SLPM 55175 | |
| Under the Skin | PS2 | 1.01 | Original | | SLES-52719 | |
| Under the Skin | PS2 | 1.01 | Original | | SLUS 20985 | |
| Undercover: Operation Wintersun
Undercover: Operation Wintersonne | PC | 1.1 | Original | | PCD00250 | |
| Undertale | PC | 1.08 | Collector's Edition | | | |
| Underworld: The Eternal War | PS2 | 1.01 | Original | | SLES-52108 | |
| Underworld: The Eternal War | PS2 | 1.01 | Original | | SLES-52109 … | |
 | Die Ungelösten Fälle von Sherlock Holmes: Das Geheimnis der Tätowierten Rose | PC | | Original, CD ROM Classics | | EAG05100305D | |
| Die Unglaublichen: The Incredibles: Der Angriff des Tunnelgräbers (Disc 1)
Disney präsentiert einen Pixarfilm: Die Unglaublichen: The Incredibles: Der Angriff des Tunnelgräbers | PC | | Original | | 4005209066969 | |
| UnGro Walker
アングラ・ウォーカー | PSX | | Original | | SLPM 87055 | |
| The Unholy War | PSX | | Demo | | SLED-01557 | |
| The Unholy War | PSX | | Original | | SLES-01300 | |
| The Unholy War | PSX | | Original | | SLUS-00676 | |
| The Unholy War | PSX | | Demo | | SLUS-90030 | |
| Uniloc FamilyPC TITLEwave: Smart Games Challenge 3 + Ultimate Yahtzee + Rocky & Bullwinkle's Know-It-All Quiz Game | PC | | Demo | | | |
| Unison
ユニゾン | PS2 | 1.10 | Original | | SLPS 25010 | |
| Unison: Rebels of Rhythm & Dance / DOA2: Hardcore | PS2 | 1.10 | Demo | | SLUS 29004 | |
| Universal CD-ROM: New Age Interactive 12.8 | PC | | Original | | NAI 12.8 | |
| Universal CD-ROM: New Age Interactive 12.8 | CDI | | Original | | NAI 12.8 | |
| Universal CD-ROM: New Age Interactive 8.4 | PC | | Original | | NAI 8.4 | |
| Universal Combat | PC | | Original | | PCO404CD | |
| Universal Studios Theme Park Adventure | GC | | Original | | DL-DOL-GUSE-USA | |
| Universal Virtua Pachi-Slot: Hisshou Kouryakuhou
ＵＮＩＶＥＲＳＡＬユニバーサル・バーチャパチスロ ～必勝攻略法～ | PSX | | Original | | SLPS 00046 | |
| Universe at War: Earth Assault | PC | 1.0 (86418) | Original, Covermount | | SEGA-PC058 | |
| Universe at War: Earth Assault | PC | 1.0 | Original | | | |
| Universe at War: Earth Assault | XBOX360 | | Original | | SE-2032 | |
| Unknown Variable 2: Raven's Ridge | PSX | | Original | | LSP-909022 | |
| Unlimited Saga | PS2 | 1.01 | Original | | SLES-51606 … | |
| Unlimited Saga
アンミリテッド：サガ | PS2 | 1.03 | Limited Edition | | SLPS 25185 | |
 | Unlimited Saga
アンミリテッド：サガ | PS2 | 1.03 | Original | | SLAJ 25003 … | |
| Unlimited Saga | PS2 | 1.00 | Original | | SLUS 20678 | |
| Unlock the Secrets: Blood | PC | 1.0 | Original | | P/N 7330 | |
| Unlock the Secrets: Blood | PC | 1.0 | Original | | P/N 7330 | |
| Unlock the Secrets: Shadow Warrior | PC | | Original | | P/N 7351 | |
| Unreal | PC | Jul 1 1998 | Original, Replay, Vicious, Trio Infernale | | CD-W95-1816-E1 | |
| Unreal | PC | Jul 18 1998 | Bundle Version OEM | | P/N: 1713320402 | |
| Unreal | PC | May 17 1998 | Original | | | |
 | Unreal | PC | Jul 1 1998 | Covermount, Totally Unreal, Cool Games Zabawa, Replay Action | | BOUNREPCGFDEI/A, UNREMISPCCOMGBFI/A, UNREPCCOMGBFDEI/A | |
| Unreal | PC | Jul 18 1998 | Bundle Version OEM | | P/N: 1713320718 | |
| Unreal | PC | Jul 1 1998 | Covermount | | | |
 | Unreal | PC | Jul 18 1998 | Budget | | MMICDR 5184 | |
| Unreal
Unreal Special Version | PC | | Bundle Version Diamond OEM (Demo) | | 75500075-001 | |
| Unreal | PC | Jun 25 1998 | Original | | 04-12527CD2 | |
| Unreal | PC | May 17 1998 | Original | | 04-12527CD1 | |
| Unreal | PC | 223m | Bundle Version 3Dfx OEM | | 170-0019-102 | |
| Unreal Anthology | PC | | Original | | DVD-UTA-EU | |
 | Unreal Anthology | PC | | Original | | | |
| Unreal Anthology | PC | | Original | | | |
 | Unreal Championship
アンリアル チャンピオンシップ | XBOX | | Original, World Collection | | IG-036 | |
| Unreal Championship | XBOX | | Original, Classics, Platinum Hits | | IG-036 | |
| Unreal Championship 2: The Liandri Conflict | XBOX | | Demo | | MW-040 | |
| Unreal Championship 2: The Liandri Conflict | XBOX | | Original | | MW-033 | |
 | Unreal Gold | PC | 226b | Serie MAX | | | |
| Unreal Gold | PC | 226b | | | | |
| Unreal Gold | PC | 226b | Original, Totally Unreal | | 04-19951CD | |
| Unreal II / Unreal Championship (First Look CD) | PC | | Totally Unreal | | 04-22651CD | |
 | Unreal II: The Awakening (Install Disc) | PC | 829 | Original, OEM |  | | |
| Unreal II: The Awakening (Play Disc) | PC | 829 | Original, OEM | | | |
| Unreal II: The Awakening | XBOX | | Original | | IG-060 | |
| Unreal II: The Awakening (Disc 1) | PC | 1.0 | Original | | 1009543 | |
| Unreal II: The Awakening (Disc 2) | PC | 1.0 | Original | | 1009545 | |
| Unreal II: The Awakening (Disc 3) (Play Disc) | PC | 1.0 | Original | | 1003551 | |
| Unreal II: The Awakening (Disc 1) (Install Disc) | PC | | Original | | U2APCD/DISC1 | |
| Unreal II: The Awakening (Disc 2) (Play Disc) | PC | | Original | | U2APCD/DISC2 | |
| Unreal II: The Awakening (Install Disc) | PC | 1.0 | Original | | Part# 22650CD1 | |
| Unreal II: The Awakening (Play Disc) | PC | 1.0 | Original | | Part# 22650CD2 | |
| Unreal Mission Pack I: Return to Na Pali | PC | 100 | Original | | | |
| Unreal Mission Pack I: Return to Na Pali | PC | 100 | Totally Unreal | | UNREMISPCCOMGBFEI/A | |
| Unreal Mission Pack I: Return to Na Pali | PC | | Original | | 04-12675CD | |
| Unreal Tournament | PS2 | 1.00 | Original | | SLES-50074 | |
| Unreal Tournament (Disc 1) (Game) | PC | 400 | Original | | | |
| Unreal Tournament (Disc 1) (Game) | PC | 436 | Game of the Year Edition (Totally Unreal), Game of the Year Edition (Best of Infogrames), Game of the Year Edition (Best of Infogrames: Azione) | | UNRETOPCBO&COMGBFEI/A1 | |
| Unreal Tournament (Disc 2) (Extras) | PC | 436 | Game of the Year Edition (Totally Unreal), Game of the Year Edition (Best of Infogrames), Game of the Year Edition (Best of Infogrames Action), Game of the Year Edition (Best of Infogrames: Azione) | | 1007390, UNRETOPCBO&COMGBFEI/A2 | |
| Unreal Tournament | MAC | | Original | | 04-18615CD | |
| Unreal Tournament | PS2 | 1.00 | Original | | SLUS 20034 | |
