Games like Miner Wars 2081
Games like Miner Wars 2081 include BioShock Infinite, Mount & Blade II: Bannerlord, ORION: Prelude, Borderlands 2, and Rust. We matched them by the tags players give Miner Wars 2081 on Steam (Action, RPG, Adventure, Indie, and Simulation): closest matches first, and among equally close ones the better-known games.

BioShock Infinite
Shared: Action · RPG · Shooter

Mount & Blade II: Bannerlord
Shared: RPG · Action · Multiplayer

ORION: Prelude
Shared: Action · Adventure · Indie

Borderlands 2
Shared: Action · RPG · Shooter

Rust
Shared: Adventure · Multiplayer · Action

SPORE™ Galactic Adventures
Shared: Action · Simulation · Adventure

KovaaK's
Shared: Action · Simulation · Indie

Rebel Galaxy
Shared: RPG · Space · Adventure

鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Action

STAR WARS™ Battlefront™ II
Shared: Action · Shooter · Space

Between the Stars
Shared: RPG · Action · Space

Elite Dangerous
Shared: Space · Simulation · Action

Arma 3
Shared: Action · Simulation · Shooter

Aimlabs
Shared: Action · Simulation · Shooter

Far Cry 3
Shared: Action · Adventure · Shooter

Grand Theft Auto V Legacy
Shared: Action · Adventure · Multiplayer

Angels Fall First
Shared: Action · Indie · Simulation

Warhammer 40,000: Space Marine 2
Shared: Action · Adventure · Multiplayer

PUBG: BATTLEGROUNDS
Shared: Action · Shooter · Multiplayer

Apex Legends™
Shared: Action · Multiplayer · Shooter

Fallout 4
Shared: RPG · Adventure · Action

Hand Simulator: Survival
Shared: Adventure · Simulation · RPG

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Multiplayer

Halo Infinite
Shared: Action · Multiplayer · Shooter