Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.

Change your disguise during The Final Test.

Assassinate a Target without getting spotted.

Hit three weak points with Neon Beam in 6 seconds

Stealth kill an enemy while they are having a conversation

Survive the avalanche

See Johann's name in the ending credits

Use all types of vehicle at least once.

Find all Yaoi art pieces

Kill an enemy by knocking another enemy into them

Acquire and unlock all Summons

Defeat Mutant Cousin Kyle

Put a stop to racism in South Park