I,J,K,L or W,A,S,D - move SPACE - jump U,O or Q,E - drill hole mouse click - throw stone 1,2 - zoom out/in Collect all coins and touch star to win level.
This is a hodge-podge of Lode Runner and Dark Castle. The police and bat use depth-first greedy search to move towards the player. The bat also has path-dependence so it cannot turn and reverse course abruptly.
