

Çeviri devam ediyor — orijinal metin İngilizce.
In the 21st century, powerful computer systems were invented. but humanity failed to control them. Near the end of the century, one such computer system, the weapon system Orion, triggered a devastating nuclear war, bringing the human race close to extinction due to the nuclear fallout. The remaining human survivors find shelter and go into a cryogenic sleep. Waking up 100 years later, they go out onto the surface, to face a new, unknown world...
| PC-8800 Series | 1 Ağustos 1984 |
| FM-7 | 1 Ağustos 1984 |
| PC-9800 Series | 1 Aralık 1984 |
| MSX | 31 Mart 1985 |