Alien Swarm: Reactive Drop
198 Achievements
41-50h
Steam
Base Game
143 Achievements
Short Controlled Bursts
Complete a mission with no friendly fire incidents. Four marines must be present in the mission.
Perfect
Kill at least 25 aliens on Normal difficulty or higher and finish the mission without taking any damage.
Damage Amped
Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.
Peace Medic
Heal 300 points of damage in a single mission without dealing any non-melee damage to the Swarm.
Landing Bay Speedrun
Complete Landing Bay within 1:25 on Normal difficulty or harder without any marines dying.
Cargo Elevator Speedrun
Complete Cargo Elevator within 2:50 on Normal difficulty or harder without any marines dying.
Deima Surface Bridge Speedrun
Complete Deima Surface Bridge within 2:30 on Normal difficulty or harder without any marines dying.
Rydberg Reactor Speedrun
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
SynTek Residential Speedrun
Complete SynTek Residential within 2:30 on Normal difficulty or harder without any marines dying.
Sewer Junction Speedrun
Complete Sewer Junction within 1:30 on Normal difficulty or harder without any marines dying.
Timor Station Speedrun
Complete Timor Station within 4:25 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Jacob's Rest
Complete the Jacob's Rest campaign on Normal difficulty or harder without any marines dying.
Storage Facility Speedrun
Complete Storage Facility within 1:05 on Normal difficulty or harder without any marines dying.
Landing Bay 7 Speedrun
Complete Landing Bay 7 within 1:30 on Normal difficulty or harder without any marines dying.
U.S.C. Medusa Speedrun
Complete U.S.C. Medusa within 2:45 on Normal difficulty or harder without any marines dying.
Transport Facility Speedrun
Complete Transport Facility within 1:45 on Normal difficulty or harder without any marines dying.
Research 7 Speedrun
Complete Research 7 within 2:30 on Normal difficulty or harder without any marines dying.
Illyn Forest Speedrun
Complete Illyn Forest within 3:40 on Normal difficulty or harder without any marines dying.
Jericho Mines Speedrun
Complete Jericho Mines within 3:30 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Operation Cleansweep
Complete the Operation Cleansweep campaign on Normal difficulty or harder without any marines dying.
Outstanding Execution: Research 7
Complete the Research 7 campaign on Normal difficulty or harder without any marines dying.
Easy Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Easy difficulty or harder.
Normal Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Normal difficulty or harder.
Hard Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Hard difficulty or harder.
Insane Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Insane difficulty or harder.
Brutal Campaign: Operation Cleansweep
Complete the Operation Cleansweep campaign on Brutal difficulty.
Outstanding Execution: Area 9800
Complete the Area 9800 campaign on Normal difficulty or harder without any marines dying.
Landing Zone Speedrun
Complete Landing Zone within 2:35 on Normal difficulty or harder without any marines dying.
Cooling Pump Speedrun
Complete Cooling Pump within 2:05 on Normal difficulty or harder without any marines dying.
Power Generator Speedrun
Complete Power Generator within 2:25 on Normal difficulty or harder without any marines dying.
Wastelands Speedrun
Complete Wastelands within 1:35 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Tears for Tarnor
Complete the Tears for Tarnor campaign on Normal difficulty or harder without any marines dying.
Insertion Point Speedrun
Complete Insertion Point within 2:48 on Normal difficulty or harder without any marines dying.
Abandoned Maintenance Tunnels Speedrun
Complete Abandoned Maintenance Tunnels within 2:22 on Normal difficulty or harder without any marines dying.
Oasis Colony Spaceport Speedrun
Complete Oasis Colony Spaceport within 4:24 on Normal difficulty or harder without any marines dying.
Easy Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Easy difficulty or harder.
Normal Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Normal difficulty or harder.
Hard Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Hard difficulty or harder.
Insane Campaign: Tears for Tarnor
Complete the Tears for Tarnor campaign on Insane difficulty or harder.
Outstanding Execution: Tilarus-5
Complete the Tilarus-5 campaign on Normal difficulty or harder without any marines dying.
Midnight Port Speedrun
Complete Midnight Port within 2:25 on Normal difficulty or harder without any marines dying.
Road to Dawn Speedrun
Complete Road to Dawn within 4:08 on Normal difficulty or harder without any marines dying.
Arctic Infiltration Speedrun
Complete Arctic Infiltration within 2:12 on Normal difficulty or harder without any marines dying.
Area9800 Landingzone Speedrun
Complete Area9800 Landingzone within 2:28 on Normal difficulty or harder without any marines dying.
Cold Catwalks Speedrun
Complete Cold Catwalks within 2:10 on Normal difficulty or harder without any marines dying.
Yanaurus Mine Speedrun
Complete Yanaurus Mine within 3:23 on Normal difficulty or harder without any marines dying.
The Factory Speedrun
Complete The Factory within 3:30 on Normal difficulty or harder without any marines dying.
Communication Center Speedrun
Complete Communication Center within 3:21 on Normal difficulty or harder without any marines dying.
SynTek Hospital Speedrun
Complete SynTek Hospital within 2:42 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Lana's Escape
Complete the Lana's Escape campaign on Normal difficulty or harder without any marines dying.
Lana's Bridge Speedrun
Complete Lana's Bridge within 2:37 on Normal difficulty or harder without any marines dying.
Lana's Sewer Speedrun
Complete Lana's Sewer within 2:25 on Normal difficulty or harder without any marines dying.
Lana's Maintenance Speedrun
Complete Lana's Maintenance within 2:16 on Normal difficulty or harder without any marines dying.
Lana's Vents Speedrun
Complete Lana's Vents within 2:48 on Normal difficulty or harder without any marines dying.
Lana's Complex Speedrun
Complete Lana's Complex within 4:48 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Paranoia
Complete the Paranoia campaign on Normal difficulty or harder without any marines dying.
Unexpected Encounter Speedrun
Complete Unexpected Encounter within 1:05 on Normal difficulty or harder without any marines dying.
Hostile Places Speedrun
Complete Hostile Places within 1:20 on Normal difficulty or harder without any marines dying.
Close Contact Speedrun
Complete Close Contact within 1:10 on Normal difficulty or harder without any marines dying.
High Tension Speedrun
Complete High Tension within 3:50 on Normal difficulty or harder without any marines dying.
Crucial Point Speedrun
Complete Crucial Point within 3:00 on Normal difficulty or harder without any marines dying.
Update #1
3 Achievements
5th Anniversary Update
19 Achievements
Logistics Area Speedrun
Complete Logistics Area within 1:15 on Normal difficulty or harder without any marines dying.
Platform XVII Speedrun
Complete Platform XVII within 3:10 on Normal difficulty or harder without any marines dying.
Groundwork Labs Speedrun
Complete Groundwork Labs within 2:25 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Nam Humanum
Complete the Nam Humanum campaign on Normal difficulty or harder without any marines dying.
Easy Campaign: BioGen Corporation
Complete the BioGen Corporation campaign on Easy difficulty or harder.
Normal Campaign: BioGen Corporation
Complete the BioGen Corporation campaign on Normal difficulty or harder.
Hard Campaign: BioGen Corporation
Complete the BioGen Corporation campaign on Hard difficulty or harder.
Insane Campaign: BioGen Corporation
Complete the BioGen Corporation campaign on Insane difficulty or harder.
Operation X5 Speedrun
Complete Operation X5 within 3:35 on Normal difficulty or harder without any marines dying.
Invisible Threat Speedrun
Complete Invisible Threat within 1:20 on Normal difficulty or harder without any marines dying.
BioGen Labs Speedrun
Complete BioGen Labs within 4:14 on Normal difficulty or harder without any marines dying.
Outstanding Execution: BioGen Corporation
Complete the BioGen Corporation campaign on Normal difficulty or harder without any marines dying.
Accident 32
21 Achievements
Space Port Catastrophe Speedrun
Complete Space Port Catastrophe within 1:50 on Normal difficulty or harder without any marines dying.
Rapture Speedrun
Complete Rapture within 2:00 on Normal difficulty or harder without any marines dying.
Bunker Speedrun
Complete Bunker within 1:30 on Normal difficulty or harder without any marines dying.
Information Department Speedrun
Complete Information Department within 1:42 on Normal difficulty or harder without any marines dying.
Powerhood Speedrun
Complete Powerhood within 2:07 on Normal difficulty or harder without any marines dying.
Research Center Speedrun
Complete Research Center within 1:29 on Normal difficulty or harder without any marines dying.
Confined Facility Speedrun
Complete Confined Facility within 2:02 on Normal difficulty or harder without any marines dying.
J5 Connector Speedrun
Complete J5 Connector within 2:00 on Normal difficulty or harder without any marines dying.
Lab Ruins Speedrun
Complete Lab Ruins within 3:33 on Normal difficulty or harder without any marines dying.
AMBER Complex Speedrun
Complete AMBER Complex within 8:00 on Normal difficulty or harder without any marines dying.
Outstanding Execution: Accident 32
Complete the Accident 32 campaign on Normal difficulty or harder without any marines dying.
Reduction
12 Achievements
Silent Station Speedrun
Complete Silent Station within 4:50 on Normal difficulty or harder without any marines dying.
Operation Sandstorm Speedrun
Complete Operation Sandstorm within 3:15 on Normal difficulty or harder without any marines dying.
Fallen City Speedrun
Complete Fallen City within 1:40 on Normal difficulty or harder without any marines dying.
Stowaway Speedrun
Complete Stowaway within 1:15 on Normal difficulty or harder without any marines dying.
Inevitable Escalation Speedrun
Complete Inevitable Escalation within 4:30 on Normal difficulty or harder without any marines dying.
Nuclear Escort Speedrun
Complete Nuclear Escort within 4:44 on Normal difficulty or harder without any marines dying.
