Complete the Battle of 300.

Performed a stealth kill on 10 machines.

Commandeer 6 vehicles by jumping on them and kicking out the driver

Use every gun in the game

In the Squats, clear the hangar in less than 1 minute 20 seconds after being detected by the main group.

Perform 3 takedowns within 12 seconds. (Ignored in introduction level.)

Find all the treasures

Get 30 seconds of total airtime with the vehicle

Stealth take-down 10 armored enemies with melee by first removing their helmets without being detected

Open every lockbox

Listen to all optional conversations

Defeat 30 enemies with gold weapons

Find 35 treasures