| BASIC soft. type-in |  Synonym | 1978 | Workman Publishing NY, USA |
| Arcade Video game | T.S. Pyramid | 1978 | Sankyo Tokyo, Japan |
| Arcade Video game |  T.T Acrobat | 1978 | Taito Corp. Japan |
| Arcade Video game | T.T Space Invaders | 1978 | Taito Corp. Japan |
| Arcade Video game | T.T Speed Race | 1978 | Taito Corp. Japan |
| Arcade Video game | T.T Speed Race CL | 1978 | Taito Corp. Japan |
| Arcade Video game | T.T Top Bowler | 1978 | Taito Corp. Japan |
| Arcade Video game | T.T Trampoline | 1978 | Taito Corp. Japan |
| Arcade Video game | Table Block | 1978 | IPM Corp. Hakusan, Ishikawa, Japan |
| Arcade Video game | Table Break 4 | 1978 | Jatre Japan |
| Arcade Video game | Table Hustler | 1978 | Jatre Japan |
| Arcade Video game | Table-Attacker | 1978 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Arcade Video game | Table-Attacker Black | 1978 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Arcade Video game | Table-Attacker Guard | 1978 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Arcade Video game | Table-Attacker Special | 1978 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Pinball | Take Five | 1978 | Allied Leisure Industries, Inc. Hialeah, FL, USA |
| Phillips Videopac cart. | Take the Money and Run Model 12 | 1978 | Philips Corp. |
| Magnavox Odyssey² cart. | Take the Money and Run! Model AJ9412 | 1978 | Magnavox Co., The Fort Wayne, IN, USA |
| Apple II cass. | Tank War | 1978 | MUSE Soft. Micro Users Soft. Exchange |
| Commodore PET cass. | Tanktics P | 1978 | Unknown |
| BASIC soft. type-in | Target | 1978 | Workman Publishing NY, USA |
| Commodore PET cass. | Target Pong + Off-The-Wall | 1978 | Commodore Business Machines, Inc. |
| Tabletop game | Teammate Game Computer | 1978 | Logix |
| Dedicated Console | Tele-Spiel Las Vegas Supercolor Model ES 2208 | 1978 | Philips Corp. |
| Dedicated Console | Tele-Spiel Las Vegas Supercolor Model ES 2218 | 1978 | Philips Corp. |
| Dedicated Console | Telescore Model 751 | 1978 | SEB France |
| Dedicated Console | TeleSport 10 | 1978 | Radofin Electronics Germany |
| Dedicated Console | Telstar Colortron Model 6135 | 1978 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Dedicated Console | Telstar Galaxy Model 6150 | 1978 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Dedicated Console | Telstar Gemini | 1978 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Dedicated Console | Telstar Marksman Model 6136 | 1978 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Dedicated Console | Telstar Sportsman | 1978 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Arcade Video game | Ten Break Out | 1978 | Gray Electronic Italy |
| Arcade Video game kit | Ten Out / Master Break | 1978 | Goldmatic Italy |
| Phillips Videopac cart. | Ten Pin Bowling + Basketball Model 6 | 1978 | Philips Corp. |
| Intel 8080 CPU soft. | Tennis Match | 1978 | Creative Computing Soft. |
| VideoBrain Family Computer cass. | Tennis Model EN03 | 1978 | VideoBrain Computer Co. |
| Hanimex MPT-02 cart. | Tennis/Squash Model MG-207 | 1978 | Hanimex |
| Wall game | Tenpin | 1978 | Gremlin Ind, Inc. San Diego, CA, USA |
| Dedicated Console | Télélude | 1978 | Schneider Radio Television France |
