| Software list: | Sinclair ZX81 cassettes (zx81_cass) |
|---|---|
| Short name: | invforce |
| Year: | 1982 |
| Publisher: | Artic |
| Supported: | Yes |
| Short name | Description | Year | Publisher | Supported |
|---|---|---|---|---|
| invforcei | Invasion Force (IPS) | 1983 | International Publishing & Software Inc. | Yes |
| Short name: | cass1 |
|---|---|
| Interface: | zx81_cass |