Zombies have infiltrated your crypt. Kill all the zombies, then make your way to the exit!
Use arrow keys to move the ghost.
Destroy all of the enemies and potions to unlock the exit.
R - Restart level, P - Pause, M - Toggle Sound.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.