Kill 20 enemies with the Acid Spray (attached to the Bazooka).

Kill 20 enemies with the Chainsaw Bayonet (attached to the Assault Rifle).

Kill 20 enemies with the Electric Shock (attached to the Submachine Gun).

Kill 20 enemies with the Flame Thrower (attached to the Grenade Launcher).

Kill 20 enemies with the Knife Bayonet (attached to the Shotgun).

Kill 20 enemies with the Mace Club (attached to the Sniper Rifle).

Kill 20 enemies with the Toxin Spray (attached to the Gatling Gun).

Kill 50 enemies with the Assault Rifle.

Kill 50 enemies with the Bazooka.

Kill 50 enemies with the Gatling Gun.

Kill 50 enemies with the Grenade Launcher.

Kill 50 enemies with the Shotgun.

Kill 50 enemies with the Submachine Gun.

Kill 50 enemies with the Sniper Rifle.

Kill 1000 enemies.

Kill 250 enemies with Melee weapons.

Kill 750 enemies with Range Attack weapons.

Receive 200 Stars while playing in the competitive Multiplayer mode (Player vs. Player).

Finish 50 rounds (not whole matches) on the pole position (1st rank in the scoreboard) while playing in the competitive Multiplayer mode (Player vs. Player).

Join or Host 50 Co-Op missions and complete them.

Join or Host 25 Co-Op missions and complete them.

Join or Host 10 Co-Op missions and complete them.

Join or Host 50 Multiplayer matches and complete all rounds until the next match starts.

Join or Host 25 Multiplayer matches and complete all rounds until the next match starts.

Join or Host 10 Multiplayer matches and complete all rounds until the next match starts.

Complete the Elite campaign on difficulty level “Hardcore”.

Complete the Elite campaign on difficulty level “Challenging”.

Complete the Elite campaign on difficulty level “Casual”.

Complete the Freedom campaign on difficulty level “Hardcore”.

Complete the Freedom campaign on difficulty level “Challenging”.

Complete the Freedom campaign on difficulty level “Casual”.

Kill 20 enemies with the Plasma Shock (attached to the Autocannon).

Kill 50 enemies with the Autocannon.