Let's Go Home - Destroy Stahl's Cruiser

Destroyed Stahl's Cruiser and left the planet on any difficulty

Bring It Down - Defeat the MAWLR

Defeated the MAWLR defending the Space Elevator

You Drive - Drive the Mobile Factory

Took over the controls of the Mobile Factory

Evening The Odds - Kill 500 Helghast

Killed 500 Helghast

Iced - Destroy all Ice-Saws and Dropships

Destroyed all 4 Helghast Ice-Saws and all 6 Dropships

Go Down And Stay Down - Destroy the ATAC

Defeated the ATAC outside the Stahl Arms facility

Frazzle Dazzle - Kill 3 Helghast with one shot from the StA5X Arc Cannon

Used the StA5X Arc Cannon to kill 3 Helghast with one shot

Jail Break - Liberate Narville

Liberated Narville from Stahl Arms South

Into The Lair - Reach the cable car

Reached the cable car and gained access to Stahl Arms South

Frag Out - Kill 3 Helghast with 1 Frag Grenade

Killed 3 Helghast using 1 fragmentation grenade

ISA TV - Establish communications

Made contact with Earth

Turn The Tables - Melee Kill a Capture Trooper

Killed a Capture Trooper using melee

Spiky Personality - Kill a Helghast using a Burster

Killed a Helghast by shooting a Burster plant

Save The Intruders - Arc APCs destroyed

Successfully assisted with defeating the Arc APCs

Smoking Wrecks - Destroy all Tanks on Senlin Beach

Destroyed all the Helghast Tanks in the Senlin Beach section

Time For A Dip - Reach the river

Reached the Corinth River with the convoy

In Your Face - First Brutal Melee

Performed first Brutal Melee move

Ready For Battle - Complete weapons training

Completed weapons training in Prologue