19 similar games
Games like Millions of Billions of Suns
Browser games that play like Millions of Billions of Suns, closest match first. Lime means it runs right here.

Millions of Billions of Suns is a next-generation 3D space MMO playable directly in your browser—no downloads required. The games below have the most in common with it — tactical, science fiction, strategy — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 10 closest to Millions of Billions of Suns
- Zero-G MMOPlays 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. In common: tactical, science fiction, strategy.
- Slipstream: Rogue SpacePlays here
Streamers are captains, viewers are crew in this streamer-led community game. In common: tactical, science fiction, strategy.
- Micro Murder: But It's Robots So It's OKPlays here
Micro Murder is a game of ballistic extermination for 1 or 2 tactical modules, organic or otherwise. In common: tactical, science fiction, strategy.
- 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: tactical, science fiction, strategy.
- Pharm PharaohPlays on jiajiechen.itch.io
Pharm Pharaoh is a 2D pharmaceutical medchem puzzle game. In common: tactical, science fiction, strategy.
- Xterium: War of AlliancesPlays on xterium.com
Xterium is a space strategy game in real time. In common: tactical, science fiction, strategy.
- Mission in Space: The Lost ColonyPlays on newgrounds.com
Control up to 6 troopers and deliver a colony from an alien threat in this turn based tactical. In common: tactical, science fiction, strategy.
- Misson in Space: The Lost ColonyPlays on newgrounds.com
Control up to 6 troopers and deliver a colony from an alien threat in this turn based tactical. In common: tactical, science fiction, strategy.
- Moon WatchPlays on thejaspel.itch.io
Bullet heaven, deckbuilding, and strategy – Moon Watch is a wild new mix from the creators of Backpack Hero! In common: tactical, science fiction, strategy.
- Rogue VectorPlays on chaostheorygames.itch.io
A sci-fi momentum-based roguelike deckbuilder where every ship moves at once. In common: tactical, science fiction, strategy.
All matches
Every game like Millions of Billions of Suns
PlayableAlphaZero-G MMO
Aliens · 2026
PlayableSlipstream: Rogue Space
Space · 2023
PlayableMicro Murder: But It's Robots So It's OK
Science fiction · 2017
PlayablePardus
Aliens · 2004
PlayablePharm Pharaoh
Science fiction
PlayableXterium: War of Alliances
Space · 2017
PlayableMission in Space: The Lost Colony
Gun · 2012
PlayableMisson in Space: The Lost Colony
Gun · 2012
PlayableEarly accessMoon Watch
Bullet Hell · 2024
PlayableBetaRogue Vector
Roguelike · 2026
PlayableSaucer Arena
Science fiction · 2008
PlayableAlphaSolus Sector: Tactics
Pixel Art
PlayableTuggowar
Pvp · 2025

Age of Expansion
Action · 2004

Backyard Buzzing
Bugs · 2010
Early accessSupremacy: The Metaverse Game
Mech · 2022

Plague Inc.
Zombies · 2012
Early accessProject Nebula
Space · 2021
BetaTextSpaced
Space Simulation · 2021