Free to Play 4X Games on Steam

Check out this fantastic list of free-to-play 4x 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 4x games.

Lists & Categories

1. Doomsday: Last Survivors

New tower defense gameplay! The apocalypse has come, and zombies are running amok. As the leader of the survivors, collect and use resources to defend their last shelter! Doomsday: Last Survivors is a game developed and published by . Released on June 25th 2023 has received 711 reviews of which 470 were positive and 241 were negative resulting in a rating of 6.4 out of 10. The game has hit the top spot as the #1 most played 4x game, thanks to its 468 peak concurrent players over the last day.
6.4
470
241

468
players

2. Viking Rise

Race against other players to explore Valhalla and conquer Midgard! Viking Rise is a game developed and published by . Released on May 21st 2024 has received 679 reviews of which 485 were positive and 194 were negative resulting in a rating of 6.8 out of 10. While seeing 427 players online at once in the last 24 hours, this game is currently ranked #2 among 4x games based on player count.
6.8
485
194

427
players

3. Demise of Nations

Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization. Demise of Nations is a game developed and published by . Released on August 08th 2017 has received 523 reviews of which 423 were positive and 100 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #3 spot among the most played 4x games.
7.6
423
100

3
players

4. Gods and Idols

Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals. Gods and Idols is a game developed and published by . Released on December 12th 2016 has received 756 reviews of which 531 were positive and 225 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #4 spot among the most played 4x games.
6.8
531
225