Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop
http://store.steampowered.com/app/563560/
ETA: April 20th, 2017
Free
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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: Desert Eagle, 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