Software developed by First Class Software where Johan Korteland is credited
| Title ↓ | Published by | Year |
|---|---|---|
Megadoom
MSX2+ | MSX-Music, MSX-Audio, MIDI
|
MSX Club Gouda | 1993 |
Turnix 3
MSX2 | MSX-Music, MSX-Audio
|
First Class Software | 1994 |