Unlock all of the Shells in the game.

Vanquish the Tower Knight without killing any archers

Defeated Warden Garcia

Acquired an Exo-Rig

Pick 50 mushrooms.

Find your first Shell.

Perform a 25 hit combo while in air.

Equip new Wings.

Defeat an enemy with their own projectile.

Meet Hephaistos.

Do a barbell curl or benchpress at any gym.

Create a Jomsviking

Perform 15 stealth kills