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Loved Outlive 25? You'll love these

About Outlive 25
$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
93% of 214

Build your base, prepare your troops, and face your most epic battle yet in this old-school real-time strategy game. Choose between two factions, test your skills in three epic campaigns and engage in online battles with up to 16 players simultaneously.

No game lists Outlive 25 as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
66% of 54

PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 10

Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
81% of 81

The last world war didn't end conflict. The Iron Hand tyrannizes people, as the Resistance fights for liberation. In the resulting conflict high tech and brute force face off against guerrillas with unconventional tactics, leading to Red Chaos: A modern take on classic real-time strategy games.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
80% of 2,411

Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 1,604

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 5 players
Reviews
81% of 4,823

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
86% of 1,629

Play solo or in co-op with friends, take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
69% of 13

Galaxor is an online sci-fi strategy game where you build planets, research technologies, command fleets and expand your empire across the galaxy. Manage resources, join clans, take part in events and face alien threats in long-term space warfare.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
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.