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Unblock GRATUIT is a free puzzle game where you must slide blocks to clear a red block from the board. With over 10,000 levels of increasing difficulty, this addictive brain teaser will challenge your mind and keep you entertained for hours! Enjoy two modes of play and test your problem-solving skills in Unblock GRATUIT. Download now and start sliding! Unblock GRATUIT,puzzle game,sliding blocks,brain teaser,free puzzle game,mind training,casual game,puzzle,mobile game,10000 levels,difficulty,tile game,casse-tête