Alien Swarm: Reactive Drop

About this game

Alien Swarm: Reactive Drop extends Alien Swarm, bringing more of everything: maps, aliens, game modes, guns... And most importantly Steam Workshop support. • Tactical co-op for up to 8 players with a top-down perspective • Steam Workshop support for community maps and challenges • New co-operative campaigns • Challenges: Modifications of the game, just like Mutations in Left 4 Dead 2 • PvP: Deathmatch, Gun Game, Instagib, and Team Deathmatch • Singleplayer: Play with improved bots on all our official maps • New Aliens: HL2 antlion guards and more • New Weapons: Bulldog, Devastator, and Combat Rifle, with more to come • Over 100 Steam achievements • Leaderboards: compete with your friends for the fastest mission completion • Improved spectating: see hacking minigames and mouse movements in real time