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Rolling-block colour-zone mazes

A black block, made of two black cubes stuck together, sits on a coloured grid. Your challenge is to roll the black block to its target position, which is marked with a small white cross.

There is only one rule... the block must always sit entirely within one colour-zone. The block starts on one end (vertical) and must also finish vertical. In the game you will see a birds-eye view of the board and thus only the footprint of the block.

Links & related pages

Things that roll (Robert Abbott)
Rolling block mazes (Erich Friedman)
PuzzleBeast rolling block mazes (Jimmy Stephens)
On Rolling Cube Puzzles: a 2007 paper on the computational complexity of rolling block puzzles
Puzzling-iphone: a 2009 blog covering a range rolling block puzzle apps available for iphone

maze designs - © Andrea Gilbert 2000
puzzlescript implementation - © Andrea Gilbert - 2021