Athena-off

Hangman Kill 20 Enemies with Gunfire While Hanging

30 Kills: M9 Kill 30 Enemies with the M9

30 Kills: Mk-NDI Kill 30 Enemies with the Mk-NDI

Charted! - Easy Finish the Game on Easy Without Changing the Difficulty

30 Kills: G-MAL Kill 30 Enemies with the G-MAL

Ignoble Beasts Kill a bison using only melee weapons (Campaign only).

Where's the Beef? Tenderize a bull with your bare hands. To death (Campaign only).

The Hurk Locker Truly bond with Hurk by destroying 15 vehicles together (Campaign only).

ARCADE Hero Play the 'Arcade Hero' mode 5 times (Arcade only).

30 Kills: Arm Micro Kill 30 Enemies with the Arm Micro

Master Ninja Kill 50 Enemies by Melee-Attacking from Behind

Sole Survivor In multiplayer, be the only player on your team that isn't dead or downed.

Fish Market Sell 20 fish for cash (Campaign only).

Skilled Fortune Hunter Find 40 Treasures

30 Kills: Wes-44 Kill 30 Enemies with the Wes-44

30 Kills: Moss-12 Kill 30 Enemies with the Moss-12

Inconceivable! Complete all challenges.

Blindfire Marksman Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Big Spender Spend $50000 in Vehicle Shops (Campaign only).

Marco Solo Play in the Swimming Pool on the Cruise Ship

Charted! - Hard Finish the Game on Hard Without Changing the Difficulty

Bare-knuckle Expert Defeat 10 Enemies in a row with Hand-to-Hand Combat

Steel Fist Expert Kill 10 Enemies in a Row with a Single Punch After Weakening Them with Gunfire

Cheater Cheater Activate a Tweak

50 Kills: Micro-9mm Kill 50 Enemies with the Micro-9mm

50 Kills: SAS-12 Kill 50 Enemies with the SAS-12

Hitting it Off Play 3 quests with a friend (Campaign only).

Survivor Kill 75 Enemies in a Row Without Dying

ARCADE Player Reach level 20 in the Arcade (Arcade only).

Up a Short Creek Without a Paddle Beat 'Chapter 12 - Heading Upriver' in less than 5 minutes

Opportunity Knocks Using rocks or cans, distract 15 enemies (Campaign only).

30 Kills: Tau Sniper Kill 30 Enemies with the Tau Sniper

Follow the Leader Compare Statistics with Friends

Almost Too Easy Went to the containment shield with the General.

Run-and-Gunner Kill 20 Enemies by Shooting from the Hip (without aiming)

These Walls Can't Stop Me Beat 'Chapter 5 - The Fortress' in less than 10 minutes

50 Kills: M32-Hammer Kill 50 Enemies with the M32-Hammer

Grenade Hangman Kill 10 Enemies with Grenades While Hanging

Charted! - Normal Finish the Game on Normal Without Changing the Difficulty

30 Kills: RPG-7 Kill 30 Enemies with the RPG-7

250 Headshots Defeat 250 Enemies with Headshots

Explosive Surprise Kill 5 enemies with sabotaged vehicles (Campaign only).

A Speedy Reunion Beat 'Chapter 16 - The Treasure Vault' in less than 7 minutes

Look Out Below Kill three enemies with a single stack of hanging barrels.

It's All Good Complete present day mission 5.

Thug Life Plunder 30 ships.

Saw That One Coming... Complete memory sequence 13.

Two Souls Launched a scene in Duo mode.

Charted! - Crushing Finish the Game on Crushing Without Changing the Difficulty

ARCADE Enthusiast Successfully complete 10 featured Arcade maps in Solo or Co-op (Arcade only).