Fed 10 or more fish to other fish.

Complete the Intelligence test in 300 seconds without mistakes

Complete all the challenges.

Discovered a last-minute way to save Max

Hit your head on ceilings 30 times.

Lobotomized the Pharaoh and got Max his brain

Test your strength by flying through a running stream of acid.

Promote one of your events for the first time.

Threatened a number of adversaries with a Hook

Obtained all costumes.

Score more than 80.000 points in Arcade mode.

Collect all the Useless Relics.