Defeat 50 enemies with hand-to-hand combat

Defeat five enemies in a row with headshots

Make five enemies drop their grenade by shooting them

Defeat 75 enemies in a row without dying

Find 20 treasures

Find the Strange Relic

Find one treasure

Finish the Campaign on at least Normal difficulty

Perform all 18 Vehicle Jumps

Complete Jackal Canyon in the Campaign

Beat Teague's hardest Deck

Kill 100 Enemies with Sentry Bots, Sentry Turrets, or RC Bomb Cars

Collect all Recipes and Schematics in one play-through