Get 10 Headshot kills with the Sniper Rifle

Detonate a HE Charge

Complete Fatality Trainer

Collect 10 journals

Fully upgrade one weapon in Campaign Mode

Kill 5 Longlegs in mid-jump

Win a Race in the Campaign

Complete Ghost Hideout in the Campaign

Defeat 75 enemies in a row without dying

Defeat 30 enemies in a row with your side arm

20 times in a row, pick up ammo while rolling

Defeat ten enemies in a row, alternating hand-to-hand combat and gunplay

Find all 100 treasures