Eight (heiegg)

Arrow keys to move.
X to action.
Z to undo.
R to restart.

On mobile:

Swipe to move.
Tap to action.
Uncollapse the menu, if you want to undo or restart.

Playing with rules in Puzzlescript, I made this game. Sometimes you win at the first step. Sometimes all your plans go puff. Life is fickle.