| MITS Altair 8800 soft. |  Game of Life | 1978 | Byte Publications, Inc. |
| Texas Instruments TI-57 soft. | Game of Qubic | 1978 | Texas Instruments |
| Heathkit H11 soft. | Game Set = 2 | 1978 | Heathkit |
| Heath/Zenith H8 soft. | Game Set = 2 | 1978 | Heathkit |
| Arcade Video game | Game Tree | 1978 | PSE Project Support Engineering Sunnyvale, CA, USA |
| PTC SOL-20 cass. | GAMEPAC 2 | 1978 | Processor Technology Corp. |
| TRS-80 cass. | Games Pack I Model 25-1805 | 1978 | Radio Shack Fort Worth, TX, USA |
| North Star Horizon disk | Games. Vol. 1 | 1978 | MicroAge |
| Intel 8080 CPU soft. | Games. Vol. 1 | 1978 | MicroAge |
| Zilog Z80 CPU soft. | Games. Vol. 1 | 1978 | MicroAge |
| North Star Horizon disk | Games. Vol. 2 | 1978 | MicroAge |
| Intel 8080 CPU soft. | Games. Vol. 2 | 1978 | MicroAge |
| Zilog Z80 CPU soft. | Games. Vol. 2 | 1978 | MicroAge |
| HP 2000 soft. | Gammon | 1978 | Creative Computing Soft. |
| Tabletop game | Gammonmaster II | 1978 | Tryom, Inc. OH, USA |
| Arcade Video game | Gee Bee | 1978 | NAMCO, Ltd. Japan |
| Arcade Video game |  Gee Bee | 1978 | Gremlin Ind, Inc. San Diego, CA, USA |
| Pinball | Gemini Model 418 | 1978 | Gottlieb & Co., D. Chicago, IL, USA |
| Bowler | Genesis | 1978 | Stern Electronics, Inc. Elk Grove Village, IL, USA |
| Pinball | Giunone | 1978 | Giuliano Lodola |
| VideoBrain Family Computer cass. | Gladiator Model EN01 | 1978 | VideoBrain Computer Co. |
| Pinball | Golden Arrow | 1978 | Giuliano Lodola |
| Slot Machine | Golden Gate Model 1133 | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Fruit Machine | Golden Nudge It | 1978 | Barcrest Games |
| Arcade Video game | Golden Nugget | 1978 | Sigma Enterprises, Inc. Tokyo, Japan |
| Bingo | Golden Sixties Turbo | 1978 | Wimi Games |
| Texas Instruments TI-57 soft. | Golf | 1978 | Texas Instruments |
| BASIC soft. type-in | Golf | 1978 | Workman Publishing NY, USA |
| PTC SOL-20 cass. | Golf 2 P | 1978 | Hopkins, Ralph |
| BASIC soft. type-in | Gomoko | 1978 | Workman Publishing NY, USA |
| Hanimex MPT-02 cart. | Grand Pack Model MG-200 | 1978 | Hanimex |
| Redemption mechanical game | Great Race | 1978 | Leijac Corp. Japan |
| BASIC soft. type-in | Guess | 1978 | Workman Publishing NY, USA |
| Hanimex MPT-02 cart. | Gun Fight/Moon Ship Model MG-213 | 1978 | Hanimex |
| PTC SOL-20 cass. | Gunner P | 1978 | MECC Minnesota Educational Computing Corp. |
| Atari 2600 cart. | Gunslinger Model 49-75109 | 1978 | Sears Chicago, IL, USA |
| Redemption mechanical game | Gutman | 1978 | Leijac Corp. Japan |
| Arcade Video game | Gypsy Juggler | 1978 | Meadows Games, Inc. Sunnyvale, CA, USA |
| Arcade Video game | Gypsy Juggler | 1978 | Taito Corp. Japan |
| BASIC soft. type-in | Hammurabi | 1978 | Workman Publishing NY, USA |
