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Patches.cafe is a free browser puzzle about fitting numbered rectangles together. It looks like a small sewing project and plays like a tidy piece of spatial re
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The acquisition CRM and off-market sourcing engine for people buying small businesses.
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Chess4D is a free browser chess site with three modes. 4D chess is played on a 4 × 4 × 2 × 2 hypercube board (64 squares) with legal-move markers, against a practice computer or a friend on the same device. 3D chess is standard chess on a rotatable 3D board, played against Stockfish or two-player on one device. 5D chess is an independent, experimental time-travel variant with branching timelines. No download or account needed to play.
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