GrandmastaZack

Crab Cakes Kill FeeFee the crab.

Now We're Getting Serious Fully mod and completely upgrade any weapon.

Archaeologist Collect 75% of all relics.

Intellectually Superior Complete all optional tombs.

Feather Duster Kill and loot 10 flying animals (crows and gulls).

Bag Full O' Cache Find 75% of GPS caches.

Lethal Purchase all skills in all categories.

Boom Goes the Dynamite Shoot a bundle of dynamite out of the air.

No Stone Left Unturned Find all documents, relics and GPS caches.

Stocked Garage Buy 3 vehicles to populate your garage (Campaign only).

Extra Crafty Craft 25 recipes (Campaign only).

The Professional Fully mod and completely upgrade all weapons.

Unleashed Throw, Slam and Ram a grappled enemy

Squash and Run Run over and kill 20 enemies (Campaign only).

Fertilizing the Land Using a tractor, obliterate 5 enemies (Campaign only).

Round and Round Solve the Rolling Crusher Puzzle

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).

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).

Shock Tactics Retrieved Shock Jockey.

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

Inconceivable! Complete all challenges.

First Class Ticket In the Main Campaign, boarded The First Lady.

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

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

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

First Blood Complete Memory Sequence 3.

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

Should Auld Acquaintance... Unlocked 1999 Mode.

Help Me! Complete 10 Crowd Events.

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

Falling From The Sky Perform 10 air assassinations.

Death From Above Drop a bomb from a plane and destroy or disable 4 vehicles at once (Campaign only).

The Bells! The Bells! Sabotage 5 alarm bells in Paris.

Ace Killer Destroy 10 planes while driving any aerial vehicle (Campaign only).

WHAT IS WRONG WITH YOU Flip five vehicles by shooting their horses.

Blood Oath Complete the MP Training in Olympus

Been There, Done That Complete all Hunting & Fishing Challenges (Campaign only).

Get Over Here! Rope pull 5 enemies off edges.

Blade In The Crowd Assassinate 100 enemies.

Entrapment Catch a player in a snare trap in multiplayer.

ARCADE Hunter Kill 100 enemies in Arcade Multiplayer maps (Arcade only).

Networking Renovate your first Social Club.

Deadeye Shoot 10 enemies off zip lines.

Narcissistic Purchase a new multiplayer character.

La Cour des Miracles Complete Memory Sequence 4.

1.21 Gigawatts Killed 25 enemies with shock weapons