| PC/MS-Windows CD |  Jet Set Radio | 2012 | SEGA Corp. |
| Google Play pack. | Jetpack Joyride | 2012 | Halfbrick Studios |
| Thomson TO disk | Jeux TO7 adaptes pour TO8 et TO9 | 2012 | Dimension |
| Dragon cass. | Jeweler | 2012 | Gerrie, Jim |
| Sony PlayStation 3 disc | Jikkyou Powerful Pro Yakyuu 2012 Kettei-han Model BLJM-60564 | 2012 | Konami Digital Ent. Co., Ltd. |
| MSX cart. | Jinj 2 - Belmonte's Revenge Hb | 2012 | RetroWorks |
| PC/MS-Windows DVD | Jokei Kazoku III - Himitsu 18 | 2012 | Silky's Japan |
| Sony PlayStation 3 disc | Journey Model BCUS-98377 | 2012 | Sony Computer Ent. America SCEA CA, USA |
| Arcade Video game | jubeat copious APPEND | 2012 | Konami Digital Ent. Co., Ltd. |
| Arcade Video game | jubeat saucer | 2012 | Konami Digital Ent. Co., Ltd. |
| Slot Machine | Jungle 2 | 2012 | Globe Game Tech. Co., Ltd. Taiwan |
| Slot Machine | Jungle 3 | 2012 | Globe Game Tech. Co., Ltd. Taiwan |
| Slot Machine | Jungle Gems Elite Class | 2012 | Rocket Gaming Systems |
| Acorn Electron 3.5in. disk | Jungle Journey Hb | 2012 | Retro Soft. |
| Acorn Atom cass. | Jungle Journey Hb | 2012 | Retro Soft. |
| Acorn Atom disk | Jungle Journey Hb | 2012 | Retro Soft. |
| Slot Machine | Jungle Jungle | 2012 | Globe Game Tech. Co., Ltd. Taiwan |
| Nintendo Wii U disc | Just Dance 4 | 2012 | Ubisoft Ent. Montreuil sous Bois, France |
| Microsoft XBOX 360 disc | Just Dance 4 | 2012 | Ubisoft Ent. Montreuil sous Bois, France |
| Sony PlayStation 3 disc |  Just Dance 4 Model BLAS-50526 | 2012 | Ubisoft Ent. Montreuil sous Bois, France |
| Sony PlayStation 3 disc | Just Dance 4 Model BLES-01722 | 2012 | Ubisoft Ent. Montreuil sous Bois, France |
| Nintendo Wii disc | Just Dance Wii 2 | 2012 | Nintendo Co., Ltd. Japan |
| Sony PlayStation 3 disc | K-ON! Houkago Live!! | 2012 | SEGA Corp. |
| Nintendo Wii disc | Kamen Rider - Chou Climax Heroes | 2012 | Bandai NAMCO Games, Inc. Japan |
| Sony PlayStation 3 disc | Kami Jigen Game Neptune V | 2012 | Compile Heart Japan |
| Slot Machine | Kangaroo Land P-Series | 2012 | EGT Euro Games Technology, Ltd. Bulgaria |
| Sony PlayStation 3 disc | Kidou Senshi Gundam Unicorn Model BLJS-10154 | 2012 | NAMCO Bandai Games, Inc. Japan |
| Sony PlayStation 3 disc |  Killzone 3 Model BCJS-75002 | 2012 | Sony Computer Ent., Inc. SCEI Japan |
| Microsoft XBOX 360 disc | Kinect Nat Geo TV | 2012 | Microsoft |
| Microsoft XBOX 360 disc | Kinect Rush - A Disney-Pixar Adventure | 2012 | Microsoft |
| Microsoft XBOX 360 disc | Kinect Star Wars | 2012 | LucasArts Ent. Co. |
| PC/MS-Windows pack. | King Arthur II - The Role-Playing Wargame | 2012 | NeoCoreGames |
| BlackBerry pack. | King Oddball | 2012 | Unknown |
| Slot Machine | King of Bling | 2012 | Incredible Technologies, Inc. Rolling Meadows, IL, USA |
| Slot Machine | King of Diamonds | 2012 | Bally Tech., Inc. |
| PC/MS-Windows CD | King's Bounty - Warriors of the North | 2012 | 1C Co. Russia |
| PC/MS-Windows pack. | King's Bounty - Warriors of the North Model 203350 | 2012 | Steam Valve Corp. |
| Colecovision cart. | King's Valley Hb | 2012 | Team Pixelboy |
| Microsoft XBOX 360 disc | Kingdoms of Amalur Reckoning | 2012 | Electronic Arts CA, USA 14633 |
| Sony PlayStation 3 disc | Kingdoms of Amalur Reckoning | 2012 | Electronic Arts CA, USA 14633 |
