Originally scheduled for release in 1993 by neo Software, coders Alex Piko and Alexander Eberl terminated their agreement with neo when the publisher insisted on being credited as the developer also. The game was eventually published in 2000 by V.A.K. Entertainment.
 Game concept/idea, level design & coding by Alex Piko and Alexander Eberl. Graphics by Alex Piko; titlescreen & level gfx by Martin Weinknecht; end sequence animation by Michael Sormann. Sound by Alex Piko; music & sound FX by David Gschmeidler and Martin Weinknecht.
 ***APANO SIN (full release)*** was declared freeware in 2006 by developers Level One, and is freely available for download from these sources:
- APANO SIN (ADF disk/extended ADF/WHDLoad HD versions) [Source: EAB FTP site]
- APANO SIN (ADF disk/extended ADF/WHDLoad HD versions) [Source: EAB FTP mirror site]
- APANO SIN (extended ADF/WHDLoad disk images) [English/German] [Source: WHDLoad website]