8 similar games
Games like Orison of Mercury
Browser games that play like Orison of Mercury, closest match first. Lime means it runs right here.

An exploration in 1980s future aesthetics, hard work, and non-linear storytelling. The games below have the most in common with it — science fiction, space simulation, simulator — ranked by how closely they match, favouring the ones you can play right here in your browser.
Top picks
The 8 closest to Orison of Mercury
- 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: space simulation, science fiction, simulator.
- 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, science fiction, simulator.
- 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 simulation, science fiction, simulator.
- OGamePlays on lobby.ogame.gameforge.com
OGame is a strategy game set in space, with thousands of players from across the world competing at the same time. In common: space simulation, science fiction, simulator.
- Legend of the Galactic Heroes: Rondo of WarPlays on g123.jp
Legend of the Galactic Heroes: Rondo of War is a strategy simulation game based on Legend of the Galactic Heroes, the novel series by Yoshiki Tanaka published… In common: space simulation, science fiction, simulator.
- Exocraft.ioPlays here
Design unique exocraft and build your fleet of drones to battle and mine for resources in this massively multiplayer action strategy set in an alien wasteland. In common: space simulation, science fiction.
- AscentPlays on johanpeitz.itch.io
Crashed on a desolate but mysterious planet you find yourself eye to eye with an ancient civilisation. In common: lo fi, science fiction.
- Portal HunterOffline
Portal Hunter is a fast paced, side scrolling, arcade-style space-shooter webgame with Solana integration from Flux Inc. In common: 1980 s, science fiction.
All matches
Every game like Orison of Mercury
PlayableAlphaZero-G MMO
Aliens · 2026
PlayableEarly accessNew Worlds
Space Simulation · 2026
AlphaKron Wars
Space Simulation · 2026
PlayableOGame
Space Simulation · 2002
PlayableLegend of the Galactic Heroes: Rondo of War
Space Simulation · 2023
PlayableExocraft.io
Space Simulation · 2018
PlayableAscent
Retro · 2022
Early accessPortal Hunter
1980 S · 2025