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× 1
For puzzles regarding the board game Reversi. Also known as Teeko.
created Aug 13 at 12:44
× 18
a logic puzzle where the goal is to draw a single loop through every circle in a grid. A loop passing through a white circle must pass directly through it and make a turn on at least one side…
created Aug 5 at 9:01
× 2
used for geometric puzzles, if one wants to stress that the setting is not 2-dimensional nor 3-dimensional, but 4-dimensional.
created Jul 17 at 5:44