Earn at least 1,000 Total XP (including Race XP and Create XP)

Do not allow your opponent to lead the game at any point with any team, in a non-simulated game.

Record at least 5 blocks and 5 steals with any team, in a non-simulated game.

Create-a-Player.

Find a hidden portrait

Examine all the vitrified test chamber doors

Win 3 co-op games of rock-paper-scissors in a row

Taunt GLaDOS in front of a camera in each of the five co-op courses

Take GLaDOS' escape advice

Break the rules in Test Chamber 07

Use an Aerial Faith Plate to launch a turret

Collect all other 50 Trophies for this Trophy

Complete "Dragonslayer"