| Slot Machine |  Triple Diamond Stars | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Diamond Strike 3-Reel, 1-Line | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Diamond Strike 3-Reel, 5-Line | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Diamond Strike 3-Reel, 9-Line | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Double Gold Leaf | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Double Jackpot | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Double Strike | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Draw - Joker's Wild | 2004 | Sammy Corp. Japan |
| Slot Machine | Triple Hot Peppers | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple It! | 2004 | GTech Corp. Providence, RI, USA |
| Slot Machine | Triple Jack II | 2004 | Dyna Co., Ltd. Osaka, Japan |
| Slot Machine | Triple Popped Slotto | 2004 | AC Coin & Slot USA |
| Slot Machine | Triple Red White & Blue 3-Coin | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Silver Stars | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Triple Stars Slotto | 2004 | AC Coin & Slot USA |
| Slot Machine | Triple Texas Stars | 2004 | IGT International Game Technologies Reno, NV, USA |
| Medal game (video) | Triple Train | 2004 | Total Amusement Korea |
| Slot Machine | Triple Victorian Stars | 2004 | IGT International Game Technologies Reno, NV, USA |
| Microsoft XBOX disc | Trivial Pursuit - Unhinged | 2004 | Unknown |
| Sega NAOMI GD-ROM | Trizeal Model GDL-0026 | 2004 | Triangle Service |
| Microsoft XBOX disc | Tron 2.0 | 2004 | Unknown |
| Nintendo GBA cart. | Tron 2.0 - Killer App Model AGB-BTNE-USA | 2004 | Buena Vista Interactive |
| Nintendo GBA cart. | Tron 2.0 - Killer App Model AGB-BTNP | 2004 | Buena Vista Interactive |
| Sony PlayStation CD | Truck Rally Model SLES-04128 | 2004 | Phoenix Games |
| Pachinko | Tsurikichi Sanpei | 2004 | Toyomaru Japan |
| Fruit Machine | Turbo Gold | 2004 | JPM International |
| Slot Machine | Turbo Grand Prix | 2004 | Simple Korea |
| Slot Machine | Turbo Grand Prix 2 | 2004 | Simple Korea |
| Sony PlayStation CD |  Turnabout Model SLES-04005 | 2004 | Zoo Digital Publishing |
| Redemption game (video) | Tux Racer | 2004 | Roxor Games, Inc. |
| Dedicated Console (based on NES) | TV MegaMax | 2004 | Polaroid |
| Takara e-Kara cart. | TV Pop Vol. 9 Model DC0005-TPJ | 2004 | Takara Co., Ltd. Japan |
| Slot Machine | Twice the Bunny | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Twice Your Monkey | 2004 | IGT International Game Technologies Reno, NV, USA |
| Nintendo GBA cart. | Twin Series 1: Mezase Debut Fashion Designer Monogatari + Kawaii Pet Game Gallery 2 Model AGB-BFVJ-JPN | 2004 | Culture Brain |
| Nintendo GBA cart. | Twin Series 2: Oshare Princess 4 + Renai Uranai Daisakusen! + Renai Party Game - Sweet Heart Model AGB-BOPJ-JPN | 2004 | Culture Brain |
| Nintendo GBA cart. | Twin Series 3: Konchuu Monster - Ouja Ketteisen + Super Chinese Labyrinth Model AGB-BQMJ-JPN | 2004 | Culture Brain |
| Nintendo GBA cart. | Twin Series 4: Hamu Hamu Monster EX - Hamster Monogatari RPG + Fantasy Puzzle - Hamster Monogatari - Mahou no Meikyuu 1.2.3 Model AGB-BHFJ-JPN | 2004 | Culture Brain |
| Nintendo GBA cart. | Twin Series 5: Mahou no Kuni no Cake-ya-san Monogatari + Wanwan Meitantei EX Model AGB-BMWJ-JPN | 2004 | Culture Brain |
| Nintendo GBA cart. | Twin Series 6: Wannyan Idol Gakuen + Koinu to Issho Special Model AGB-BWNJ-JPN | 2004 | Culture Brain |
