Amiga and 8-bit versions (C64, Spectrum, Amstrad) were released simultaneously.
PC versions: Hercules, CGA, EGA, Tandy

[1] Game concept/design by Ian Andrew. Coding by Paul Gregory. Graphics by Sean Ellis. Music by Matt Furniss.

[2] CASTLE MASTER 2: THE CRYPT is the last in a series of games using the solid 3D graphics environment Freescape, which was developed by Incentive's in-house development team, Major Developments. Previous Amiga releases in the series included DRILLER, DARK SIDE, TOTAL ECLIPSE and CASTLE MASTER.

[3] As with other platform releases, the Amiga version of CASTLE MASTER 2: THE CRYPT was first released as part of compilation CASTLE MASTER & THE CRYPT (i.e. no standalone retail release of the game was ever issued).