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 4401 games featuring cross-platform multiplayer
0Notebook Battlegrounds
Gather a few friends for this multiplayer game where your voice is the weapon. Play as letters in a notebook with proximity voice chat. Say the funny words on your screen to shoot opponents, find secret words for special powers, and battle in Deathmatch or Battle Royale (Solo/Duos)!
0Sylvan Tactics
Outmaneuver your rival in this tactical card battler with the strategic positioning of chess. Master escalating Sigil costs, deploy powerful units, and claim victory through cunning strategy on an 8x8 woodland battlefield.
0Ember in the Frost
This is a one-or three-person online survival game for the end of the world. The contents of the game include but are not limited to: pets, horseback riding, fishing, hunting, building, making, searching, killing zombies, bonfires, cooking, planting, mining, vehicles, furniture and firearms.
0Grimmloch
A persistent text-based MMORPG where NPCs remember your secrets and shape a living world rooted in European folklore. Turn-based tactical combat, criminal gameplay, and collaborative storytelling that writes itself into canon. Built by Role-players for Role-players.
0INSIGHT
A new third-person, survival roguelike for 1–4 players about the apocalyptic world. You spawn with nothing but 7 minutes to scavenge locations before the local horde smells you. Fight off a biological virus, grab what you can, and decide if you’ll save your team or leave them to die with the loot.
0Runtalis
Runtalis is a 1–5 player turn-based tactical RPG. Coordinate your party, socket powerful Runes, and push your Magic Key against enemies with dangerous affixes. Higher risks unlock greater power in this grid-based, tabletop-inspired challenge. Master your skills or lose your Runes.
0Pixel Exile
Pixel Exile is a fast-paced 2D pixel art ARPG inspired by ARPG classics. Craft deep builds with 25+ unique skills, massive skill tree, 9 bloodlines, hunt procedural loot, and push endlessly challenging maps with offline, online multiplayer and cross-play supports.
0Airsoft Allstars
A chaotic VR love letter to airsoft. Sling plastic in PvP, PvE, co-op, and party modes. Customize your gear, squad up with friends, and play your way, from tactical milsimer to speedsofting goblin.
0Mascot Mayhem (Asymmetrical Horror)
Asymmetrical Mascot Horror survival game where two mascots must team up to kill ALL the survivors. Featuring crossover characters from all across the mascot horror universe (and beyond!)
0Backrooms: Lost Signal
A terrifying 1-4 player co-op horror game. Explore 10+ handcrafted Backrooms maps, survive against 8+ unique entities, and use proximity voice chat to coordinate or panic. Your decisions shape the story with multiple endings. Discover optional lore that reveals the truth behind these Backrooms.
0Rogue Assault
A real-time strategy military game that lets you directly command your units, with no build times and impressive 3D visuals. Set in a post‑apocalyptic Europe - form alliances with other commanders, fight for resources and territory and rise in honor as a war commander.
0Immortal Clan: Grandmastery
Immortal Clan: Grandmastery is an Eastern fantasy xianxia sim-management game. As founding master, build a sect from scratch. Recruit disciples with unique quirks and personalities. Assign daily tasks, guide cultivation, and lead them from mortal to ascension.
0Bird Brigade
Become birds together with your friends — each one has different perks and stats, and some have unique abilities. Try various game modes and have fun in Bird Brigade.
0Meowstery Wisp
A multiplayer social deduction and investigation game where players gather clues, debate, and manipulate trust to resolve a mystery; with no elimination until the big finale.
0Merchanteer
Set sail in the Southern Isles, where every action shapes the world around you. Trade cargo in a living economy alongside NPC merchants, build and customize ships, forge friendships or rivalries, defend or liberate ports from pirate control, and explore hand-crafted islands.
0Apexiom
Explore an open, procedurally-generated world, loot caves, chests and fight monsters to craft better gear. Can you take on the toughest bosses to unlock new abilties and become increasingly overpowered?
0Cars on Mars
An utopic sci-fi car racing game with effect-portals on mars (and other places). One can choose 3 game types (Death Match/Classic Race/Capture the Flag), or just stroll around in an infinite procedural world. The whole scene +cars are made 100% from math and code, no textures, no models
0Lichworks
You are a necromancer, build your undead empire. A necromancer automation game where your army is your logistics network. Route mindless minions via signposts, automate production chains, equip your soldiers and conquer the Human Empire.
0Soul Hunter
A team of young paranormal researchers ventures into the cursed corners of Japan to prove the existence of the spirit world. Ghosts feed on fear and the sanity of the living, luring you into traps of illusion. Your only defense is a special camera, capable of banishing spirits and unveiling secrets.
0Flame & Forge
Flame & Forge is a Worker placement, deck-building, push-your-luck full of interesting choices! We're dwarfs marching into a city on flames to raid resources, forge powerful weapons and challenge monsters — and maybe convince them to join your side of the fight!