Cross-Platform Multiplayer Games
Discover the best co-op games on Steam. Access estimated total revenue, median sales per game, saturation levels, and top-performing titles to benchmark your project.
Games with Cross-Platform Multiplayer
Explore 4405 games featuring cross-platform multiplayer

Supremacy: Call of War 1942
Take over the control of one of the mighty nations during the times of World War 2 in this persisting long-term strategy game. Conquer provinces, forge alliances and build up your economy in real-time. Research top secret weapons of World War 2 and become the one true superpower!

Pirates Vikings & Knights II
Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights in hilarious and intense class-based combat. Join the fun, embrace the chaos, and fight your way to victory!

SpiderHeck
Spiders with laser swords! Duel to the death against your friends or choose to team up and hold back swarms of savage enemies. Swing, stab and shoot with style, effortlessly performing movie-worthy parkour.
0Lethal League
Lethal League is a competitive projectile fighting game where you have to hit an anti-gravity ball into the face of your opponent to win. The ball speeds up with every strike, up to explosively extreme velocities. Play intense local matches with friends and foes, challenge yourself in the singleplayer mode or battle it out online.

Starsand Island
Tired of the city grind? Escape to Starsand Island and embrace the simple joys of country life! Live alongside capybaras, cats, and dogs, reel in a big catch, and explore the enchanting Moonlit Forest. Leave the hustle behind and experience the charm of this seaside paradise.

《蜀山:初章》买断版
这是一款东方特色修仙类开放世界游戏;虚幻4制作、7056平方公里无缝大地图、海陆空战斗冒险探索、高自由度角色养成、大地图据点占领门派经营等等;版本里同时包括单人模式及多人在线模式等玩法。(付费点卡)

We Need To Go Deeper
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.

Old World
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?

Two Worlds Epic Edition
... 300 years after Aziraal has been banished, a brother and sister are drawn into the conflict which has flared up between the Orcs and the free world. Kyra, the hero's younger sister, suddenly disappears in mysterious circumstances.«...If my family really belongs to the chosen ones, why then have we always been as poor as church mice?

Rising World
Rising World is a voxel based open-world sandbox game, featuring a procedurally generated world, playable in single and multi-player.

Lords Mobile: Kingdom Wars
Clash with global players in this epic real-time strategy game!

Teamfight Manager
Teamfight Manager is a simulation game where you are the coach of an e-sports team. You must manage players to set them up for matches. Make the best of pick & ban by evaluating the characteristics of the champions/players! A smart strategy can make up for a lack of individual player skills.

Sker Ritual
An intense round-based zombie survival FPS, play solo or co-op. Shoot your way through relentless waves of vicious horrors with high-octane objectives, upgrading steampunk weapons, collecting Celtic God powers, and surviving the onslaught of the Quiet Ones.

Battle for Wesnoth
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.

SUPREMACY: WORLD WAR 3
This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.

Toram Online
The MMORPG of a massive and magnificent fantasy! Let's explore the MMO world!

PULSAR: Lost Colony
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits

Offworld Trading Company
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

DeadPoly
DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.

The Battle of Polytopia
Welcome to the unique, turn-based strategy game set in the strange, flat world of the Square. Lead one of 16 distinct civilizations to victory by expanding your empire, researching technologies, and ultimately become ruler of the world! Play in single-player or multiplayer mode for up to 16 players.