Based on 1986 Geoff Crammond/Firebird C64/128 release. PC versions: VGA
 Game designed by Geoff Crammond. Amiga conversion by Steve Bak. Music by David Whittaker.  Originally released in the UK as THE SENTINEL.  Original game contents included an illustrated booklet, a key guide, and a pin-on button (badge). TRIVIA: A chess set was created based on characters from this game (see HERE).