Use a future weapon in the past.

Crack the celerium worm.

Reinforcements on the way.

Successfully rescue HVI.

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

In Mob of the Dead, use and upgrade all traps before round 10.

In Mob of the Dead, kill 10 zombies at once with a new beverage.

In Mob of the Dead, complete the cycle 3 times.

In Die Rise, use Pack-a-Punch and all perk machines in one game.

In Die Rise, reach round 10 before turning on the power.

In Die Rise, face the dragon head-on before reaching round 2.

In Diner Turned, kill the human while its decoy is in play in a Public Match.