Escape from the Chimera Disposal Facility.

Cut down 100 enemies with Steel on Bone attacks.

Make it through the fire.

Escape from the monorail.

Learn the Flying Bird Flip.

Destroy the Steel Spider.

Learn the Kunai Climb.

Learn the Ultimate Technique.

Fully upgrade one weapon in Campaign Mode

Kill 3 or more Military Chimera with a single Grenade

Travel a distance of 20 kilometers on foot.

Kill a zombie with 10 different melee weapons.

Got Yahtzee