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_baxuz Two things: when threes came out it was iOS only thus cutting out players. But also: chess, chequers, bridge, etc. It would be *terrible* if game mechanics couldn't be repurposed and recreated.
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_baxuz Oh, also, teaching the boy (since he's old enough) powers of 2 is useful in other ways (I don't know 3s mechanics off the top of my head)