| Program | Role | Version | Date |
|---|---|---|---|
| FlexShell plus | Programmer | 1.34 | 1990-03-01 |
| Pferd | Programmer | 2.45 | 1990-01-01 |
| Turing-Simulator | Programmer | 1990-01-01 | |
| Klesped | Programmer | 1.02 | 1988-04-09 |
| Hangman (Gerull) | Programmer | 1987-01-01 | |
| Economy | Programmer | 4.2 | |
| MasterMind (Gerull) | Programmer | ||
| Schiffe Versenken | Programmer |
