Drink both inverse potions.
Receive help from the mouse to escape the trapped corridor.
Kill a guard with a slicer or a spike trap.
Drink the float potion and glide down.
Kill the chief guard.
Break the magic mirror and free the dark prince.
Wake up the immortal in the catacombs.
Find the sword in the first level.
Unify the prince and the dark prince.
Save the princess.
Finish the game without dying in survival mode.
Find all 9 life potions.