You unlocked the special ability of Roman's taxi.

Complete Salamun District on any difficulty level

Kill 30 Helghast using the StA3 fixed gun emplacement

Kill 3 Helghast using an M82 or StA52 assault rifle without releasing the trigger

You have completed the first mission.

Complete all levels in The Savannah

Travel at incredible speed

Get a 20X Multiplier

Travel to an incredible height

Place a sticker

Choose a costume for your sackperson with at least one item on your head, at least one item on your body, and a material

Defeat the Mother Spinner in the single player Campaign.

Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.