| Atari 400/800 type-in |  World Series | 1980 | SoftSide Publications, Inc. |
| Apple II 5.25 disk | World War III | 1980 | Crystalware |
| Bally Astrocade type-in | Wumpus | 1980 | Cursor Group, The |
| TRS-80 cass. | X-Wing II | 1980 | Ramware |
| Pinball | Xenon Model 1196 | 1980 | Bally Mfg. Co. Chicago, IL, USA |
| Bally Astrocade type-in | Yahtzee | 1980 | Fabris, Robert San Jose, CA, USA |
| Texas instrument TI-99/4A cart. | Yahtzee Model PHM 3039 | 1980 | MB Milton Bradley Co. East Longmeadow, MA, USA |
| Apple II cass. | Yonin Mahjong | 1980 | Tsukumo Denki Japan |
| Arcade Video game |  Zap | 1980 | GAT Game-A-Tron New Britain, CT, USA |
| Bally Astrocade type-in | Zappit | 1980 | Fabris, Robert San Jose, CA, USA |
| Arcade Video game | Zero Hour | 1980 | Universal Co., Ltd Tokyo, Japan |
| Pinball | Zira | 1980 | Playmatic, S.A. Spain |
| Apple II 5.25 disk | Zork I - The Great Underground Empire | 1980 | Personal Soft., Inc. |
| Infocom Z-Machine code |  Zork I - The Great Underground Empire Ver.15 | 1980 | Infocom, Inc. MA, USA 51051 |
| TRS-80 disk | Zork I - The Great Underground Empire Model 26-1950 | 1980 | Radio Shack Fort Worth, TX, USA |
| TRS-80 disk | Zork I - The Great Underground Empire Model 26-1951 | 1980 | Radio Shack Fort Worth, TX, USA |
| Apple II 5.25 disk | Zork I - The Great Underground Empire Model IZ1-AP1 | 1980 | Infocom, Inc. MA, USA 51051 |
| DEC PDP-11 disk | Zork I - The Great Underground Empire Model IZ1-DE1 | 1980 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Zork I - The Great Underground Empire Model IZ1-IB1 | 1980 | Infocom, Inc. MA, USA 51051 |
| TRS-80 cass. | Zossed in Space Model 010-0049 | 1980 | Adventure International |
