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In this game there will be a scene with a number of items. You need to memorise the items and their positions within a few seconds, after that some of the items will be changed (some new items will appear, some old items will disappear). And you need to point out the changed places. As the game progresses, there will be more and more changed items and more and more distractors and the game will be more and more difficult.

Avoid the Mouse-Eaters to collect keys and get past all five rooms.