Pet Buckley the dog

While in stealth, turn off the spotlight generator in Pittsburgh

Reload your weapon using the Reload option in the Weapons menu.

Find a Firefly pendant

Suck 3 tanks of blood without leaving a blood-sucking point.

Clear Stage 3.

Clear Stage 1.

Claim a Base or Buy a Freighter

Smash into 15 breakable objects while steering Rhino through the shopping mall

Collect an audiolog

Complete the Game on any Difficulty

Defeat the 16th Colossus

Defeat the 15th Colossus