You have to place random shapes consisting of different colored blocks inside of a rectangular field. Whenever there are four or more neighboring blocks of the same color, they will be removed and you gain back space in the gray field. Additionally, you earn point(s) for every removed block.
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Happy
Amazi
Invac
Princ
Alien
Rings
Evasi
Urban
Twelv
Taxi
Snowm
Curse
Hits
Arrow
Bottl
Viole
Cave
Hallo
Space
Shoot
Croat
Dotte
Ferra
Age C
Baby
Tract
Airpl
Spide
Ice Q
Rescu
Stack
Help
Stick