G.E.M.Z. is a puzzle game for the Amiga. You can try the demo version, with a 5 minute time limit for free, or you can buy the game. In the game you are Rubin, a brave knight, and you have to save princess Esmeralda. The game has more than 300 levels from Easy to Madness.
Website: http://gemz.a-mc.biz
Source: http://www.richardlagendijk.nl