Online co-op Alternate History games

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

Showing 51–60 of 78 games matching Alternate History · updated 12 Oct 2026

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$ · Cheap
Players
👥 Not stated
Reviews
78% of 139

This isn't what our grandfathers fought for! Rise from your soulful, old apartment and resist the Western heathens – the Quadrobers, who are trying to impose their rules! Or, join the modern Quadrobers and show the Skufs that the era of sweaty, beer-bellied men is over!

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Price
$ · Cheap
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👥 Not stated
Reviews
100% of 1

All new employees must pass the course if you wish to become a full fledged Pizza Pups Multidimensional Pizzeria Delivery Employee. Please make sure to provide a valid multiversal drivers license upon test start.

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$ · Cheap
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👥 Not stated
Reviews
0% of 1

Real gamer? Prove it. Take on the impossible challenge—one unlucky slip, and you’re back at the bottom. Be among the first to reach the top. Pure focus solo or chaotic fun with friends — regret? Not a chance.

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Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
80% of 30

REVEREX: DX is a 2-player asymmetric experience that blends platforming action and microgames on a visually stunning trip through the mind. Don the roles of Lab Technicians operating an experimental Coma Treatment device, explore the deepest reaches of the subconscious and rescue your patient!

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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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$$
Released
Price
$$ · 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.

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Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
66% of 6

Unlock the magic of 10 languages. Embark on quests with word challenges across dynamic biomes, from campuses to mystical realms. Engage with characters and face foes. Craft spells from hundreds of words, creating an arsenal for battles, puzzles, and dialogues.

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Free
Released
Price
Free
Players
👥 Up to 3 players
Reviews
67% of 3,693

Metal Slug: Awakening continues the classic gameplay loved by fans, with exciting new features like World Adventure, 3-player Team-up, and Roguelike challenges. Join forces with your friends online to take on powerful bosses anytime, anywhere!

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$ · Cheap
Players
👥 Not stated
Reviews
44% of 9

-HOME- Survival is an open-world game that is a unique combination of first and thirt person shooter, survival, crafting, and role-playing games. Experience your own path. Whether it's building the home of your dreams, tending to your crops and watching the sun go down...

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 20

Deadlands Duel is a wave-based zombie defense shooter that takes place throughout all of history via time travel. You will fight hoards of zombies with various weapons and armaments. Choose one of four class types to specialize your gameplay to fit your desired role in this team-play focused arena.

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