| Tabletop game |  The Game Machine Model 2001 | 1978 | House of Games, Inc. Waddingtons Evanston, IL, USA |
| DEC PDP-10 soft. | The Killer Shrews | 1978 | Daglow, Dan |
| Pinball | The King | 1978 | Bell Games |
| Texas Instruments TI-57 soft. | The One Armed Bandit | 1978 | Texas Instruments |
| MITS Altair 8800 soft. | The OZNAKI Life P | 1978 | People's Computer Co. |
| PolyMorphic Poly-88 cass. | The OZNAKI Life | 1978 | People's Computer Co. |
| North Star Horizon disk | The OZNAKI Life P | 1978 | People's Computer Co. |
| Intel 8080 CPU soft. | The OZNAKI Life P | 1978 | People's Computer Co. |
| Zilog Z80 CPU soft. | The OZNAKI Life P | 1978 | People's Computer Co. |
| PTC SOL-20 cass. | The OZNAKI Life P | 1978 | People's Computer Co. |
| Pinball | The Six Million Dollar Man Model 1138 | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| RCA COSMAC VIP type-in | The Target Game | 1978 | Quest Electronics |
| Pinball | Third World | 1978 | Sonic, S.A. Madrid, Spain |
| RCA COSMAC VIP type-in | Tic Tac Toe with the 1802 | 1978 | Association of Computer Experimenters |
| Apple II cass. | Tic-Tac-Talker + Spectrum Analysis Model TTT-978C | 1978 | Softape |
| MITS Altair 8800 soft. |  Tic-Tac-Toe | 1978 | MITS Micro Instrumentation & Telemetry Systems New Mexico |
| RCA COSMAC VIP type-in | Tic-Tac-Toe | 1978 | Bell, A. G. |
| BASIC soft. type-in | Tic-Tac-Toe | 1978 | Workman Publishing NY, USA |
| MITS Altair 8800 soft. | Ticktacktoe | 1978 | 1001001, Inc. |
| Intel 8080 CPU soft. | Ticktacktoe | 1978 | 1001001, Inc. |
| Texas Instruments SR-52 soft. | Tiger Trouble! | 1978 | 1001001, Inc. |
| Pinball | Tiger Woman | 1978 | IDI s.n.c. Italy |
| TRS-80 cass. | Time Trek | 1978 | Personal Soft., Inc. |
| Intel 8080 CPU soft. | Tiny Blackjack | 1978 | People's Computer Co. |
| Arcade Video game | Top Bowler | 1978 | Taito Corp. Japan |
| Arcade Video game | Top Runner | 1978 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Bowler | Topaz | 1978 | Williams Mfg. Co. Chicago, IL, USA |
| Bally Astrocade cart. | Tornado Baseball + Handball + Hockey + Tennis Model 3001 | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Torneo | 1978 | Recel, S.A. Madrid, Spain |
| Handheld game | Touch Me | 1978 | Atari, Inc. CA, USA |
| Arcade Video game | Tournament Table | 1978 | Atari, Inc. CA, USA |
| BASIC soft. type-in | Tower | 1978 | Workman Publishing NY, USA |
| Interact Family Computer cass. | Trailblazers | 1978 | Interact Electronics |
| BASIC soft. type-in | Train | 1978 | Workman Publishing NY, USA |
| Arcade Video game | Trampoline | 1978 | Taito Corp. Japan |
| BASIC soft. type-in | Trap | 1978 | Workman Publishing NY, USA |
| Apple II cass. | Trap & Chase | 1978 | B&G Interfaces |
| Arcade Video game |  Trapeze | 1978 | Exidy, Inc. Sunnyvale, CA, USA |
| HP-25 soft. | Trapped Game | 1978 | Messeder, Rich |
| TRS-80 disk | Troll's Gold | 1978 | Blank, George |
