Alien Swarm: Reactive Drop achievements

18.90%

Normal Campaign: Jacob's Rest

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

19.22%

Blast Radius

Kill 6 Swarm with a single Grenade.

19.95%

Electro-Stunned

Stun 6 Swarm with a single Stun Grenade.

20.19%

Group Heal

Heal all 4 marines with a single Heal Beacon.

21.65%

Infestation Savior

Cure an Infested marine.

21.97%

Easy Campaign: Jacob's Rest

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

24.31%

Smoking Barrels

Kill 5 Swarm with explosive barrels in a single mission.

25.61%

Gunslinger

Successfully perform 5 fast reloads in a row.

26.90%

On the Ready Line

Kill 1,000 Swarm.

27.79%

Scrambled Eggs

Destroy all Swarm Eggs in a mission without allowing any to hatch.

29.97%

Close Encounters

Kill 20 Swarm with melee attacks in a single mission.

36.43%

Sharpshooter

Complete a mission with better than 90% accuracy.