Gears of War 2 achievements

Reached level 5 in multiplayer

Completed all campaign acts on Hardcore Difficulty

Team survived 10 Horde waves

Recovered 20 of 41 collectibles

Killed an enemy with every weapon

Killed 30 enemies with your Mulcher turret

Completed 10 chapters in Co-op on any difficulty

Killed 30 enemies raining down death from the sky

Torched 30 enemies

Completed all campaign acts on Normal Difficulty

Completed 1 chapter in Co-op on any difficulty

Completed all campaign acts on Casual Difficulty