Original design and code
* marqs

Audio add-on board, scanline improvements
* borti4938

Reverse LPF, scanline improvements
* paulb_nl

Technical advisory, testing
* Fudoh

Sales & support, testing
* BuckoA51

Profile improvements
* megari

Japanese translation
* 511141 / lui

Early testing
* juji82
* Konsolkongen
* Edenal
* NYYRIKKI
* stt
* oasiz