Use a future weapon in the past.

Crack the celerium worm.

Jailor or executioner.

Listen and think before you shoot.

A duel between rivals

There are two futures.

Complete the campaign on Hardened or Veteran difficulty.

Successfully neutralize the SDC freighter at Keppel Terminal.

Complete all challenges in a level.

Complete "Pyrrhic Victory", "Old Wounds", "Time And Fate", and "Suffer With Me" in Veteran.

Escort the president to the secure location in downtown LA.

Capture Menendez.

Customize the Decal, Topper, Rocket Boost and Wheel on a car