Free to Play Class-Based Games on Steam
Check out this fantastic list of free-to-play class-based games you can enjoy on Steam right now, updated on September 14th 2025. Looking for even more free titles? Explore the complete list of the best free to play class-based games.
Lists & Categories
1. Alien Swarm: Reactive Drop
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics. Alien Swarm: Reactive Drop is a game developed and published by . Released on April 20th 2017 has received 22,649 reviews of which 21,500 were positive and 1,149 were negative resulting in an impressive rating of 9.3 out of 10. The game has hit the top spot as the #1 most played class-based game, thanks to its 109 peak concurrent players over the last day.
9.3
21,500
1,149
109
players
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