
Zero is the fourth 4th Unit game. Only a few days have passed since the andoird assaults and the shocking encounter with Blon-Win's clone. The Unified Force gathers all its resources, preparing to engage the shady trade organization WWWF. However, a strange accident leads Blon-Win to assume that one of the Unified Force's members might be a traitor.
| Edition | Platform | Release Date | Region |
|---|---|---|---|
| Standard Edition | PC-9800 Series | Dec 20, 1989 | Worldwide |
| Standard Edition | Sharp X68000 | Dec 20, 1989 | Worldwide |
| Standard Edition | PC-8800 Series | Dec 20, 1989 | Worldwide |
| Standard Edition | FM Towns | Dec 20, 1989 | Worldwide |
| Standard Edition | MSX | Dec 20, 1989 | Worldwide |

Zero is the fourth 4th Unit game. Only a few days have passed since the andoird assaults and the shocking encounter with Blon-Win's clone. The Unified Force gathers all its resources, preparing to engage the shady trade organization WWWF. However, a strange accident leads Blon-Win to assume that one of the Unified Force's members might be a traitor.
| Edition | Platform | Release Date | Region |
|---|---|---|---|
| Standard Edition | PC-9800 Series | Dec 20, 1989 | Worldwide |
| Standard Edition | Sharp X68000 | Dec 20, 1989 | Worldwide |
| Standard Edition | PC-8800 Series | Dec 20, 1989 | Worldwide |
| Standard Edition | FM Towns | Dec 20, 1989 | Worldwide |
| Standard Edition | MSX | Dec 20, 1989 | Worldwide |