Programs written or published by Heiko Koppenhagen
| Name | Version | Updated | Category |
|---|---|---|---|
| Quick | 1.1 | - | Action |
| Aliens | 01.01.1992 | Arcade - Space Invaders | |
| STORM | - | Action - Shoot'em Up | |
| Musicbox | - | Senso | |
| Schatzsuche | 1.0 | 01.01.1991 | Adventures - Grafik |
| GFA-Sound-Editor | 1.0 | 01.01.1992 | Basic - GFA - Tools |
| GFA-Song-Editor | 2.2 | 20.05.1992 | Basic - GFA - Tools |
| Marlowe | 1.0 | 20.05.1992 | Adventures - Grafik |
| Checker | 22.05.1993 | Puzzle game |