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.
Key features:
- Tactical co-op for up to 8 players with a top-down perspective
- Steam Workshop support for community maps and challenges
- Complete game code and mod tools
- Unlock persistent items by gaining levels
- 4 unique classes and 8 unique characters
- Challenges: Modifications of the game, just like Mutations in Left 4 Dead 2
- PvP: Deathmatch, Gun Game, Instagib, and Team Deathmatch
- Single player: Play with bots on all official maps
- Diverse Aliens to fight
- Over 40 weapons and equipment with countless loadout configurations
- Over 100 Steam achievements
- Leaderboards: compete with your friends for the fastest mission completion
- Realtime spectating
- Tile-based map generation tool
- Powered by Source and Steam
Want to know more? Check out Alien Swarm: Reactive Drop on the Steam Store!