Kill 99 dogs

Perform an 8x combo

Throw a weapon at an enemy so that his weapon hits another

Use a human shield

Finish Left Behind on Easy

Win the water gun fight

Slay all Titans in Iron Mode

Beat the game without rolling rolling rolling (in No Roll mode)

Beat the game in Iron Mode with Hard Mode active

Beat the game in Iron Mode

Beat the game

Trigger the Guardian's switches with the opposite hands and kill it