Alien Swarm: Reactive Drop achievements

3.00%

Insane Campaign: Jacob's Rest

Complete the Jacob's Rest campaign on Insane difficulty or harder.

3.17%

Hard Campaign: Paranoia

Complete the Paranoia campaign on Hard difficulty or harder.

3.17%

Brutal Campaign: Operation Cleansweep

Complete the Operation Cleansweep campaign on Brutal difficulty.

3.17%

Hard Campaign: Lana's Escape

Complete the Lana's Escape campaign on Hard difficulty or harder.

3.17%

Hardcore

Complete a mission on Brutal difficulty with Onslaught and Hardcore Friendly Fire enabled.

3.33%

Hard Campaign: Research 7

Complete the Research 7 campaign on Hard difficulty or harder.

3.41%

Hard Campaign: Tears for Tarnor

Complete the Tears for Tarnor campaign on Hard difficulty or harder.

3.41%

Insane Campaign: Operation Cleansweep

Complete the Operation Cleansweep campaign on Insane difficulty or harder.

3.41%

Professional Marksman

Kill 250 Swarm with the Marksman Rifle.

3.57%

Combat Medic

Kill 500 Swarm with the Medical SMG.

3.57%

Screamin' Eagle

Kill 250 Swarm with the Desert Eagle.

3.65%

Combat Specialist

Kill 250 Swarm with the Combat Rifle.