W/S move forward/back A/D strafe Left/Right arrows turn Space shoot Restart resets the level
Attack rule: guards hold position until you are within 2.6 tiles and in line of sight, then chase. Within 1.2 tiles they strike for 15 health every 0.85s. Shots are hitscan down the crosshair and cannot damage an enemy through a wall. Defeat every enemy to unlock the exit, then step into the portal.