In Buried, Pack-a-Punch a weapon during round 1 with no one using the bank or Weapon Locker.

Complete all Under the Bridge and Knife Flight challenges.

In Mob of the Dead, convert a weapon using a kit.

In Mob of the Dead, execute the escape plan.

In Origins, release Samantha.

GTA Online: Reach Rank 50.

Listen and think before you shoot.