Skip to main content
Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop is a FREE and open source cooperative top down shooter. The player plays with other marines against hordes of aliens, in order to complete different objectives. In the game, there are 4 different classes to play, each one consisting of two characters with different statistics including some class restricted weapons. During gameplay, the player will earn experience, that is used to unlock new weapons and items to use in combat. The game combines elements from survival games like Shadow Grounds and Left for Dead.

Release Date
April 20, 2017

Available On

Boosteroid

Subscription-based (no free tier) · No free trial available

Play Now
GeForce NOW

Free tier + Priority/Ultimate paid tiers · 1-hour free sessions (no sign-up required for free tier)

Play Now
Single player Multiplayer Co-operative Science fiction Action

Screenshots

Alien Swarm: Reactive Drop screenshot 1
Alien Swarm: Reactive Drop screenshot 2
Alien Swarm: Reactive Drop screenshot 3
Alien Swarm: Reactive Drop screenshot 4

Game Details

Studios

  • Reactive Drop Team

Similar Games

More Like This

Also on Boosteroid

View all

Also on GeForce NOW

View all

Official Site

Visit Official Site

Game metadata sourced from IGDB. · Last updated May 31, 2026