Games like Mars Battle
Games like Mars Battle include Elite Dangerous, FANTASY LIFE i: The Girl Who Steals Time, PowerWash Simulator, Five Nights at Freddy's: Secret of the Mimic, and Grand Theft Auto V Legacy. We matched them by the tags players give Mars Battle on Steam (Action, Casual, Party Game, Party-Based RPG, and Exploration): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Exploration · Action · Massively Multiplayer

FANTASY LIFE i: The Girl Who Steals Time
Shared: Casual · Action · Exploration

PowerWash Simulator
Shared: Casual · 3D · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Action · First-Person · Exploration

Grand Theft Auto V Legacy
Shared: Action · First-Person · Third Person

Gang Beasts
Shared: Action · Casual · Party Game

Internet Cafe Simulator 2
Shared: Exploration · 3D · First-Person

Gorilla Tag
Shared: First-Person · Action · VR

House Flipper
Shared: Casual · Action · Immersive Sim

LOCKDOWN Protocol
Shared: Action · Casual · First-Person

Prison Escape Simulator: Dig Out
Shared: Casual · 3D · Action

Mage Arena
Shared: Action · Casual · First-Person

Prey
Shared: Immersive Sim · Action · Exploration

Party Animals
Shared: Casual · Party Game · Action

PEAK
Shared: Exploration · First-Person · 3D

Monument Valley 2
Shared: Casual · Action · Exploration

Baby Steps
Shared: Action · Casual · Exploration

No Man's Sky
Shared: Exploration · First-Person · Sci-fi

Marvel Rivals
Shared: Action · Casual · 3D

Placid Plastic Duck Simulator
Shared: Casual · Immersive Sim · 3D

Ghosts of Tabor
Shared: Action · Exploration · Immersive Sim

Fatekeeper
Shared: Action · First-Person · Immersive Sim

The Exit 8
Shared: Exploration · Immersive Sim · First-Person

STAR WARS Jedi: Survivor™
Shared: Action · Third Person · Exploration