John van Ryzin
Company · 3 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Chopper | Commodore 64 | 1985 |
| The Complete Computer Fireworks Celebration Kit | Commodore 64 | 1985 |
| X-15 Alpha Mission | Commodore 64 | 1987 |
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Company · 3 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Chopper | Commodore 64 | 1985 |
| The Complete Computer Fireworks Celebration Kit | Commodore 64 | 1985 |
| X-15 Alpha Mission | Commodore 64 | 1987 |