Rust
692018ActionAdventureIndie
Action MMO Games on Steam
Games sitting in the overlap between Action and mmo — the two filters most groups actually care about at once. Steam's own store makes this intersection awkward to search for, because genre and multiplayer mode live in separate filter systems.
For what to check before committing to one of these, see the full MMO guide.
15 games
Ranked by how often each game appears in the libraries compared here.
1 2 
PlanetSide 2842012ActionMassively MultiplayerFree To Play3 
ARK: Survival Evolved702017ActionAdventureIndie4 
Robocraft2017ActionIndieMassively Multiplayer5 
Heroes & Generals2016ActionFree To PlayIndie6 
APB Reloaded2011ActionMassively MultiplayerFree To Play7 
Realm of the Mad God Exalt822012ActionAdventureIndie8 
The Elder Scrolls® Online802017ActionAdventureMassively Multiplayer9 
BattleBit Remastered2023ActionMassively MultiplayerEarly Access10 
Warface: Clutch2014ActionMassively MultiplayerFree To Play11 
RIFT842011ActionAdventureMassively Multiplayer12 
World of Warships812017ActionMassively MultiplayerSimulation13 
Fall Guys802020ActionCasualIndie14 
8BitMMO2015ActionAdventureFree To Play15 
Tower Unite2025ActionAdventureCasual
Which of these does your group already own?
Sign in with Steam, add up to ten friends, and see which of these you all have without anyone buying anything.
Compare your libraries