| Software list: | Sinclair ZX81 cassettes (zx81_cass) |
|---|---|
| Short name: | invforce |
| Year: | 1982 |
| Publisher: | Artic |
| Supported: | Yes |
| Short name | Description | Year | Publisher | Supported |
|---|---|---|---|---|
| invforce_ips | Invasion Force (I.P.S.) | 1982 | International Publishing & Software | Yes |
| invforce_aac | Invasion Force (Aackosoft) | 1982 | Aackosoft | Yes |
| Short name: | cass1 |
|---|---|
| Interface: | zx81_cass |