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Check out this fantastic list of free-to-play action rts games you can enjoy on Steam right now, updated on September 13th 2026. Looking for even more free titles? Explore the complete list of the best free to play action rts games on Steam.
More Games
1. Crustacean Nations
🦀Crustacean Nations🦀 is a real-time strategy game about total crab warfare. Build a sprawling sand castle and amass huge armies to dominate the beach and become the one true crustacean nation! Crustacean Nations is a strategy, casual and action rts game. Released on August 19th 2022 has received 528 reviews of which 489 were positive and 39 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #1 spot among the most played action rts games.
8.6
489
39
4
players
2. Crystal Clash
Crystal Clash is a mix of Lane Battles and Deckbuilding - with action-packed tug-of-war strategy, just like your favorite RTS mods from back in the day! :) Play 2v2 or co-op with a friend, or pair up with new allies and enemies! Collect cards, build your decks and have fun crushing your enemies! Crystal Clash is a action rts, tower defense and casual game. Released on January 14th 2022 has received 1,376 reviews of which 1,136 were positive and 240 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #2 spot among the most played action rts games.
7.9
1,136
240
4
players
More Action RTS & Related Games
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