Click and drag — Draw Space — Switch pen (after level 20) R — Restart, regain ink at 0% Z — Skip forward a level X — Skip backward a level C — View level help screen P — Pause (or restart secret mode) —————— FAQ —————— • "How do I beat this level?" — Press C to view the help screen. If you're really having trouble, press Z to skip. • "How do I erase?" — You can press R to restart the level. You also gain an eraser on level 25. • "I've run out of ink!" — If you have 0% ink, restart the level with R and it'll restore 25%.