Alien Swarm: Reactive Drop achievements

0.81%

Insane Campaign: Nam Humanum

Complete the Nam Humanum campaign on Insane difficulty or harder.

0.81%

Normal Campaign: BioGen Corporation

Complete the BioGen Corporation campaign on Normal difficulty or harder.

0.89%

Outstanding Execution: Nam Humanum

Complete the Nam Humanum campaign on Normal difficulty or harder without any marines dying.

0.97%

Hard Campaign: Nam Humanum

Complete the Nam Humanum campaign on Hard difficulty or harder.

0.97%

The Choice of Progress

In Groundwork Labs, upload prohibited data to the ship.

1.46%

Normal Campaign: Nam Humanum

Complete the Nam Humanum campaign on Normal difficulty or harder.

1.62%

Easy Campaign: Nam Humanum

Complete the Nam Humanum campaign on Easy difficulty or harder.

2.11%

Chemical Warfare

Kill 500 Swarm with Gas Grenades.

2.68%

Nuke From Orbit

Kill 100,000 Swarm.

2.68%

Landing Zone Speed Run

Complete Landing Zone within 2:35 on Normal difficulty or harder without any marines dying.

2.68%

Area9800 Landingzone Speed Run

Complete Area9800 Landingzone within 2:28 on Normal difficulty or harder without any marines dying.

2.76%

Outstanding Execution: Lana's Escape

Complete the Lana's Escape campaign on Normal difficulty or harder without any marines dying.