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Like so many other puzzle games of the time, this game involves tiles of different colours, which must be manipulated to clear a succession of increasingly-difficult levels.

The basic idea is that you are presented with 2 sets of tiles, and must make the left one identical to the 'control' set on the right. The colours are defined in a sequence - red, green, blue, purple, yellow - and when you click on a tile, that tile's colour moves forward by two in that sequence (for example a blue one becomes yellow), whereas the tiles next to it move by one colour (for example, blue becomes purple).

Any that move past the end fo the sequence disappear, causing surrounding blocks to drop. You get a limited number of moves, and limited time as well. Fortuantely there are passwords, delivered by cutely-drawn naked Japanese girls (although the private parts are covered up).


Gem'X Amiga A game in progress
Gem'X Amiga Early levels are smaller and (hopefully) easier
Gem'X Amiga Kaiko logo
Gem'X Amiga Make the left side match the right...

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Critic Reviews

Amiga Power May, 1991 88 out of 100 88
Datormagazin Aug 29, 1991 83 out of 100 83
Zero May, 1991 83 out of 100 83
Génération 4 Apr, 1991 82 out of 100 82
Play Time Nov, 1992 80 out of 100 80
Amiga Computing May, 1991 80 out of 100 80
CU Amiga Apr, 1991 76 out of 100 76
Amiga Action May, 1991 75 out of 100 75
Computer and Video Games (CVG) May, 1991 75 out of 100 75
Power Play Apr, 1991 64 out of 100 64


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Cancelled sequel

The successor Gem'Z (DOS and Amiga) was already finished and ready to be released when the Amiga master was stolen during a trade fair in Cologne. Of course copies turned up everywhere and the publisher Software 2000 chose to cancel the release.


This game was in fact developed in Germany, but designed so as to look like a Japanese game, complete with Japanesque graphics, (garbled) Japanese writing, and the name of the developers, Kaiko, chosen deliberately in order to sound Japanese. The Japanese influence goes even further, with the passwords referring to Japanese pop culture such as the FM Towns computer (totally unknown in Europe at that time), names from animation and Taito's arcade games. As a masquerade act, Gem'X was almost perfect.

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Martin Smith (66812) added Gem'X (Amiga) on Apr 17, 2004
Other platforms contributed by Kabushi (208445) and Martin Smith (66812)