Be named Player of the Game (in an NBA game) in My Player mode.

Create-a-Player.

Start the 4th period losing by 10 or more points and win with any team, in a non-simulated game.

Finish the game in Normal Mode

Find 20 treasures

Defeat 70 enemies with the M4

Defeat 20 enemies with the Pistole

Defeat 100 enemies with headshots

Find ten treasures

Defeat 75 enemies in a row without dying

Defeat three enemies with one explosion

Defeat 20 enemies with hand-to-hand combat

You had the multiplier maxed out for so long I forgot that it changes!