Games like Mortal Online
Games like Mortal Online include Rust, Albion Online, Once Human, Destiny 2, and Trove. We matched them by the tags players give Mortal Online on Steam (Free to Play, Open World, Massively Multiplayer, Sandbox, and RPG): closest matches first, and among equally close ones the better-known games.
Rust
Shared: Open World · Survival · Sandbox
Albion Online
Shared: Free to Play · Open World · Massively Multiplayer
Once Human
Shared: Free to Play · Open World · Survival
Destiny 2
Shared: Free to Play · Open World · MMORPG
Trove
Shared: Free to Play · Open World · Sandbox
Neverwinter
Shared: Free to Play · Massively Multiplayer · RPG
Last Oasis
Shared: Massively Multiplayer · Open World · Survival
Conan Exiles Enhanced
Shared: Open World · Survival · Sandbox
DayZ
Shared: Open World · Survival · Massively Multiplayer
ARK: Survival Evolved
Shared: Open World · Survival · Multiplayer
VRChat
Shared: Free to Play · Massively Multiplayer · Open World
Infestation: The New Beginning
Shared: Massively Multiplayer · Open World · Survival
Terraria
Shared: Sandbox · Survival · Open World
Mortal Online 2
Shared: Open World · Sandbox · RPG
Mount & Blade II: Bannerlord
Shared: Open World · RPG · Sandbox
STALZONE
Shared: Open World · Free to Play · MMORPG
Apex Legends™
Shared: Free to Play · First-Person · Multiplayer
Gloria Victis: Medieval MMORPG
Shared: Open World · Massively Multiplayer · RPG
Don't Starve Together
Shared: Open World · Survival · Sandbox
ARK: Survival Ascended
Shared: Open World · Survival · Sandbox
SCUM
Shared: Open World · Massively Multiplayer · Survival
Project Zomboid
Shared: Open World · Survival · Sandbox
Dark and Light
Shared: Open World · Massively Multiplayer · Survival
Mount & Blade: Warband
Shared: Open World · RPG · Sandbox