Theft of Power

Defeat Seraphel.

Defeat Tom.

Defeat Shadow Thief.

Defeat Perses.

Defeat Perses without destroying any of his arms.

Enter a looping door 20 times.

Attempt to drill through piles of sand 10 times, before realizing how your efforts are pointless.

Defeat Isaac.

Defeat Codename: Bow Alpha...?

Defeat Agent ESP.

Defeat Tetsuya.

Defeat Isaac without slaying any of the zombies he summons.

Defeat Tetsuya without breaking his shield prematurely.

Find the secret treasure in all of the levels.

Use Plague Doctor's ultimate 20 times.

Use Paranoia's ultimate 20 times.

Use Shadow Thief's ultimate 20 times.

Use Isaac's ultimate 20 times.

Defeat the Kraken.

Defeat M.E.N.C.

Defeat Lightning Fuse.

Defeat Codename: Bow Alpha. For real this time.

Defeat Codename: Bow Alpha and Lightning Fuse, working together.

Defeat the Kraken without slaying any of its tentacles.

Defeat M.E.N.C. with only one party member standing.

Defeat M.E.N.C. using only melee attacks.

Defeat the final boss.

Complete the boss rush.