Click on game to activate mouse controls: Use WASD to walk. "Shoot" a piece with left/right click to pull/push it, control-click to rotate, and space to drop.
Press escape to activate keyboard controls: Use WASD to walk. Q and E sidestep. "Shoot" a piece with the left and right arrows to move it, up to rotate, and down to drop.
Click
here for config/debugging overrides.