Puzzles

Interactive tiling puzzles and pattern challenges

Nessies

A whimsical monotile tiling puzzle with water-like shapes

Nessie 2

Generalized tiling with different polygon shapes

Cipra Loops

Barry Cipra's loop-tracing tile puzzle on a torus

Celtic Knots

Build Celtic knot patterns by placing tiles on a grid

The Ormat Game

Cover the coloured squares and none of the blanks, with as few overlays as you can