| Slot Machine |  Oil Company II | 2010 | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | Oiran | 2010 | Aruze Gaming America, Inc. Las Vegas, NV, USA |
| Slot Machine | Old West | 2010 | Nazionale Elettronica Giochi Italy |
| Slot Machine | Olympus Fortune | 2010 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Sony PSN: Shodai PS Archives pack. |  Omise de Tensyu Model NPJJ-00411 | 2010 | SEGA Corp. |
| Slot Machine | One Two Win! | 2010 | AGI Austrian Gaming Industries Novomatic Group |
| Sony PSN: PSone Classics pack. | One Model NPUJ-????? | 2010 | Console Classics |
| Arcade Video game | Ongaku Paradise | 2010 | Konami Digital Ent. Co., Ltd. |
| Slot Machine | Opal 2 Roulette | 2010 | Zuum d.o.o. Kranj, Slovenia |
| Slot Machine | Opal 6 Roulette | 2010 | Zuum d.o.o. Kranj, Slovenia |
| Slot Machine | Opal 8 Roulette | 2010 | Zuum d.o.o. Kranj, Slovenia |
| Sony PlayStation 3 disc |  Operation Flashpoint - Dragon Rising Model BLJM-60152 | 2010 | Codemasters Soft. Co., Ltd., The 015026 |
| Slot Machine | Orc | 2010 | Astro Corp. Taipei, Taiwan |
| Pachislot | Ore no Sora 2 | 2010 | Rodeo Corp. Japan |
| Microsoft XBOX 360 disc | Ore no Yome - Anata Dake no Hanayome | 2010 | Idea Factory Co., Ltd. Japan |
| Sega Beena cart. | Oshare ni Henshin HeartCatch PreCure! | 2010 | Bandai Co., Ltd. Japan |
| PC/MS-Windows CD | Ougon Musoukyoku | 2010 | 07th Expansion |
| Nintendo Wii disc | Oukami | 2010 | Capcom Co., Ltd. Japan |
| Pachislot | Ounin! Misao | 2010 | Daito-Giken, Inc. Japan |
| PC/MS-Windows pack. | Outcast 1.1 | 2010 | GOG sp. z o.o. |
| Arcade Video game | Pac-Man Battle Royale | 2010 | NAMCO Bandai Games, Inc. Japan |
| Nintendo Wii disc | Pac-Man Party Model RVL-SP7E-USA | 2010 | NAMCO Bandai Games America, Inc. |
| Nintendo Wii disc | Pac-Man Party Model RVL-SP7J-JPN | 2010 | NAMCO Bandai Games, Inc. Japan |
| Nintendo Wii disc | Pac-Man Party Model RVL-SP7P-AUS | 2010 | NAMCO Bandai Games, Inc. Japan |
| Nintendo Wii disc | Pac-Man Party Model RVL-SP7P-EUR | 2010 | NAMCO Bandai Games, Inc. Japan |
| Fruit Machine | Pac-Man Power Up | 2010 | Barcrest Games |
| Arcade Video game | Pac-Man's Arcade Party Cabaret model | 2010 | NAMCO Bandai Games, Inc. Japan |
| Arcade Video game | Pac-Man's Arcade Party Cocktail model | 2010 | NAMCO America, Inc. |
| Arcade Video game | Pac-Man's Arcade Party Upright model | 2010 | NAMCO Bandai Games, Inc. Japan |
| Pachinko | Pachinko CR Kyuou | 2010 | Sammy Corp. Japan |
| Sony PlayStation 3 disc | Pachipara 16 - Gingilia Paradise 2 Model BLJS-10092 | 2010 | Irem Soft. Engineering, Inc. Japan |
| Pachislot | Pachislot Popeye Brid | 2010 | Sammy Corp. Japan |
| Pachislot | Pachislot Souten no Ken | 2010 | Sammy Corp. Japan |
| Sony PlayStation 2 disc | Pachitte Chonmage Tatsujin 16 Model SLPS-25980 | 2010 | Hack Berry Japan |
| Arcade Video game | Panda Panda | 2010 | Xinyu Games China |
| Arcade Video game | Pandora's Adventure | 2010 | Golden Dragon Amusement Co. ZhongShan, Guangdong, CHINA |
| Arcade Video game | Pandora's Adventure II | 2010 | Golden Dragon Amusement Co. ZhongShan, Guangdong, CHINA |
| Medal video game | Panorama Fantasy | 2010 | Konami Digital Ent. Co., Ltd. |
| Arcade Video game | Panzer Elite Action | 2010 | Injoy Motion Corp. Taipei Country, Taiwan |
| PC/MS-Windows pack. | Panzer General 2 | 2010 | GOG sp. z o.o. |
