MAKE YOUR FIRST KILL

KILL 10 ALIENS

KILL 100 ALIENS

FLAME 1000 ALIENS

REACH AN EXIT DECK LIFT WITH 1 SECOND REMAINING

WATCH THE ALIEN BREED PROLOGUE

COLLECT EVERY PICKUP ON A LEVEL

COMPLETE ALIEN BREED LEVEL 2 WITHOUT FIRING YOUR WEAPON

PURCHASE ALL WEAPONS FROM THE SHOP

DEFEAT A BOSS WITHOUT FIRING THE ASSAULT RIFLE

COMPLETE A LEVEL USING NO KEYS

COMPLETE A LEVEL IN CO-OP

SCORE 1,000,000 CO-OP POINTS ON A LEVEL

COMPLETE 17 CO-OP GAMES

KILL 2 ALIENS WITH ONE SHOT

DIE TOGETHER IN THE MASHERS ON CONVERGENCE LEVEL 4

KILL 50 ALIENS DURING A COUNTDOWN

DEFEAT A BOSS ALIEN TOGETHER WITH FLAMETHROWERS

COMPLETE ALIEN BREED SE LEVEL 11 IN CO-OP WITHOUT TRIPPING THE ALARM

SCORE 17,171,717 POINTS TOTAL SINGLE OR CO-OP PLAY

COMPLETE ALIEN BREED