36 similar games
Games like Zero-G MMO
Browser games that play like Zero-G MMO, closest match first. Lime means it runs right here.

A persistent browser MMO set in a 1:1 scale solar system built on real NASA MOLA/LOLA altimetry data, with real orbital physics. The games below have the most in common with it — open world, warfare, tactical — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 10 closest to Zero-G MMO
- Kron Wars
Kron Wars is a persistent browser-based sci-fi MMO where players trade, mine, build corporations, wage wars, hunt bounties, and control entire sectors across… In common: space battle, persistent world, space simulation.
- PardusPlays here
Pardus is a free award-winning, real-time graphical game set in a futuristic universe that can be played right from your browser! In common: space warfare, aliens, warfare.
- TextSpacedOffline
TextSpaced is a text-based sci-fi MMORPG played in your browser, where as a captain you attempt to survive and prosper in an infinite and hostile universe. In common: space simulation, open world, tactical.
- New WorldsPlays here
New Worlds is a space-faring universe simulation game where you navigate gravity to explore, complete missions, trade, upgrade and improve your ship fleet. In common: space simulation, 4x (explore, expand, exploit, and exterminate), sandbox.
- Cataclysm: Dark Days AheadPlays here
Cataclysm: Dark Days Ahead (aka Cataclysm DDA or CataDDA) is an open source survival horror roguelike set in a post-apocalyptic and fictional New England. In common: 4x (explore, expand, exploit, and exterminate), open world, sandbox.
- Starfighter: Disputed GalaxyOffline
Starfighter: Disputed Galaxy is a free-roaming, action-packed, top-down space shooter game. In common: space warfare, spaceships, open world.
- LurkersPlays here
Lurkers is a chaotic 2D multiplayer sandbox where you can build, battle, and survive! In common: open world, warfare, sandbox.
- Xterium: War of AlliancesPlays on xterium.com
Xterium is a space strategy game in real time. In common: 4x (explore, expand, exploit, and exterminate), warfare, tactical.
- BuildNow GGPlays here
BuildNow GG is part of an emerging genre of online game that combines tactical building with third-person shooter gameplay, featuring various game modes… In common: open world, tactical, sandbox.
- World Nations GameOffline
World Nations Game is an online MMO game in which you can have your own virtual life. In common: open world, warfare, tactical.
All matches
Every game like Zero-G MMO
AlphaKron Wars
Space Simulation · 2026
PlayablePardus
Aliens · 2004
BetaTextSpaced
Space Simulation · 2021
PlayableEarly accessNew Worlds
Space Simulation · 2026
PlayableCataclysm: Dark Days Ahead
Zombies · 2013
DelistedStarfighter: Disputed Galaxy
Exploration · 2007
PlayableLurkers
Zombies · 2019
PlayableXterium: War of Alliances
Space · 2017
PlayableBuildNow GG
Action · 2021
DelistedWorld Nations Game
War · 2021

Colony Battle
Ants · 2021
PlayableWodopom
Space · 2024
PlayableCounter Snipe
Action · 2020
PlayableAlphaPixL War
Pvp
PlayableBetaTenebrarium
Aliens · 2026

Infinite Realms
Aliens
PlayableSlipstream: Rogue Space
Space · 2023
PlayableAleryos
Science fiction · 2026
PlayableFire Emblem Proto-Rogue
Roguelike · 2026
PlayableEarly accessMoon Watch
Bullet Hell · 2024
PlayableAlphaExtinction Level Event
Survival
PlayableOGame
Space Simulation · 2002
PlayableLegend of the Galactic Heroes: Rondo of War
Space Simulation · 2023
PlayableFleet Conquest
Real Time Tactics · 2026
PlayableBetaWorld Senate Game - Free Online Multiplayer Game
Cross Platform Multiplayer · 2021
PlayableEarly accessCitadel: Gunship Sandbox MMO
Action · 2026
PlayableDeadswitch 3
Modern Warfare · 2020
PlayableMerchant Adventurer
Pirates · 2022
PlayableEarly accessRettungssimulator Online
Non-fiction · 2020
PlayableBetaPolitics and War
Politics · 2014
PlayableEarly accessSuper Chesslike Adventure
Medieval · 2020
BetaPanzerdogs
Crafting · 2022
PlayableAlphaAncient Beast
Monsters · 2012
PlayableHegemarch
Procedural Generation · 2026
PlayableHive Jump 2: Survivors
Aliens · 2023
PlayableAlphaBlossom & Decay
Action Adventure