| Program | Role | Version | Date |
|---|---|---|---|
| MARS | Programmer | 1.21 | 1993-01-19 |
| Agent des Herzogs | Programmer | 1992-07-15 | |
| Über Nedimor | Programmer | 1992-07-15 | |
| Allein in Eritra | Programmer | ||
| Die große Flut | Programmer | 1.01 | |
| Grab von Manuelos | Programmer | ||
| HASCS | Programmer | 3 | |
| Thrust (GEM) | Programmer | 0.5 |
