| Programm | Role | Version | Datum |
|---|---|---|---|
| Alien | Programmierer | 1990-01-01 | |
| Ararnyn I: Das Tal des Riesen | Programmierer | 1990-01-01 | |
| Ararnyn II | Programmierer | 1990-01-01 | |
| Emula | Programmierer | 6.1B | |
| GEM KEY | Programmierer | 1.2a | |
| Magic Pen | Programmierer | 1.0 | |
| Werwelt | Programmierer |
