Online co-op RTS games

Every online co-op RTS game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 131–140 of 213 games matching RTS · updated 12 Oct 2026

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Reviews
50% of 2

[The Gears: Factory] is a third-person 3D factory-building game where the player's main goal is to build automated systems by mining minerals and producing industrial units.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
88% of 1,037

Tank Arena:Total Operation is a free MMO war game where you play as a commander, drive thousands of types of tanks, armored vehicles or helicopters on a massive battlefield engaging in 12v12 team-based battles against players globally. Enjoy the fun!

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$ · Cheap
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👥 Not stated
Reviews
100% of 1

War to the Core is a tactical multiplayer Moba/RTS hybrid where you control a mothership and battle on a team against other teams for total world domination. Use all the available resources, from interceptors, you can control while alive or dead to different upgradable ship components to win!

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Released
Price
$ · Cheap
Players
👥 1–3 players
Reviews
85% of 21

Three Kingdoms Cavalry Charge is a game that combines the historical theme of the Three Kingdoms with strategic elements. The game features a connected large-scale map design, supporting national wars with up to ten thousand players on the same map.

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$$ · Standard
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👥 Not stated
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26% of 209

The next major game in the Planetary Annihilation universe, Industrial Annihilation combines the iconic real-time strategy of the beloved Annihilation games with deep factory-building to deliver a blend of genres unlike any you’ve experienced before.

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75% of 28

2089 - Space Divided is a classic science fiction real-time strategy game in which you collect resources, build up your base, train troops and destroy your opponents with tactical skill.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 61

Will YOU control Congress, the Supreme Court, or the Presidency? In Battle for the Hill, a real-time multiplayer political strategy game, you’ll pass laws, shape the economy, and fight for power. Build alliances, manipulate the system, or dominate the market—every decision changes history.

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$$
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$$ · Standard
Players
👥 Up to 10 players
Reviews
86% of 1,260

ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
76% of 13

Arcane Wilds is a western themed fantasy RTS with a unique twist on resource management. Gather, steal, and transport resources to use them in battle strategically. Embark on a new journey, survive missions, face mystical creatures in battle and loot treasures to build and upgrade your home island.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
62% of 8

《文明征程》是一款以历史文明为背景的策略游戏,让玩家扮演一位伟大的文明开拓者,带领自己的国家蓬勃发展。在游戏中,你将面临各种挑战和决策,需要智慧和策略来发展经济、建设城市、训练军队,同时也要与其他玩家进行外交交流和战争对抗。

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