GEOME!TRY

first, you start in level choosing room. step on any of green squares, then press space to start this level.

arrowkeys - movement

space - start level

in level, you start in a starting position green form. go whenever you like, then press space to start solving. 

arrowkeys, wasd - movement

space - start solving

r - restart

z - previous move

any suggestions, bugreports are welcome