5Dim
2019Browser space strategy MMO · Free-to-play / no pay-to-win
Category
Sci-Fi MMOs
Browse 171 sci-fi mmos in MMOFinder with researched status, platforms, business models, combat styles and related MMO features.
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Related discovery hubs include MMORPGs, Sandbox MMOs, Crafting, Open World, and PvE.
AD2460
2014Browser-based sci-fi strategy MMO · Free-to-play
AEXXOS
2026Persistent multiplayer space MMORPG · Free-to-play Early Access
Agents of Aggro City Online
—Sci-Fi MMORPG · Not yet verified
Aleryos
2026Browser space 4X MMO · Free-to-play
Alien Warfront
2026Browser sci-fi PvP MMO · Free-to-play
Anarchy Online
2001Science-fiction MMORPG · Freemium
Andromeda 5
—Online sci-fi game · Not yet verified
Angels Fall First
—Online science-fiction shooter · Not yet verified
AQ2: Expanse
2023MMOG · Not yet verified
Arclight City: Cyberpunk RPG
2023Cyberpunk pixel MMORPG · Free-to-play / in-app purchases
Argo
—Science-fiction MMORPG · Not yet verified
Ascent: The Space Game
—Space MMO · Not yet verified
Ashfall
2023Sci-Fi Action MMO · Not yet verified
Astro Lords: Oort Cloud
2014Space Strategy MMORTS · Freemium
AwakeMUD CE
2022Cyberpunk MUD/MMORPG · Free-to-play
Barren Realms Elite
1992Sci-fi turn-based MMO strategy · Not yet verified
Battle Dawn Galaxies
—Sci-Fi MMOTPS · Not yet verified
Battlestar Galactica Online
2011Browser-based 3D MMO · Free-to-play
Beyond Orbit
2026Persistent-world space MMO · Free-to-play / planned 2026
Beyond TOS
2026Science-fiction TrekMUSH/MMORPG · Free-to-play
Bionic Marine Command Online
—Science-fiction online game · Not yet verified
Black Prophecy
2011Science-fiction space MMO · Not yet verified
Boundless
2018Space-fantasy sandbox MMORPG · Buy to play
Bounty Hounds Online
—Science-fiction MMORPG · Free to play
Clone Wars Adventures
2010Sci-fi MMORPG · Free to play
Colony of War
—Science-fiction MMORPG · Not yet verified
Core Exiles
—Browser science-fiction MMO · Not yet verified
CozmoGame
2026Browser space strategy MMO · Free-to-play
CyberASSAULT
1992Cyberpunk MUD/MMORPG · Free-to-play
DarkOrbit
—Browser-based space MMO · Not yet verified
DarkOrbit Reloaded
—Browser space MMO · Not yet verified
DarkSpace
2001Intergalactic MMORTS · Free-to-play
Destiny 2
2017Sci-Fi Online Shooter · Free + Expansions
Devolve Online
2026Third-person shooter action MMORPG · Upcoming
Diaspora
2000Java browser massively multiplayer online game · Historical browser game
Divergence Online
—Science-fiction sandbox MMORPG · Not yet verified
Downfall MMORPG
2026Sci-fi fantasy open-world MMORPG · Free-to-play
Dual Universe
2022Space simulation MMO · Not yet verified
DuneMUD
1992Science-fiction LPMud/MMORPG · Free-to-play
DUST 514
2013MMOFPS · Free-to-play
Earth & Beyond
2002Science fiction MMO · Pay-to-play
Earth: 2025
1996Sci-fi turn-based MMO strategy · Not yet verified
Earthrise: First Impact
—Science-fiction sandbox MMORPG · Not yet verified
Elite Dangerous
2014Space simulation MMO · Not yet verified
Ember Sword
2024Science-fiction MMORPG · Free to play / play-to-earn
Empire & State
2011Science-fiction browser political strategy MMORPG · Free to play
Empire Universe 3
—Browser space strategy MMO · Not yet verified
End of Nations
—Sci-fi MMORTS · Not yet verified
Entropia Universe
2003Science-fiction MMORPG · Free to play
Entropy
—Science-fiction MMO · Not yet verified
EVE Online
2003Science-fiction sandbox MMORPG · Free-to-play Alpha access + Omega subscription
EVE: Valkyrie
—VR online space shooter · Not yet verified
Face of Mankind
2009Science-fiction MMORPG · Freemium
Faction Earth
—Science-fiction MMORPG · Not yet verified
Federation II: Community
1985Science-fiction MUD/MMORPG · Free-to-play
Firefall
2014Science-fiction shooter MMORPG · Free to play
Force of Arms
—Science-fiction MMORPG · Not yet verified
FreeWorld: Apocalypse Portal
—Science-fiction MMORPG · Not yet verified
Galactic Command Online
—Science-fiction MMO · Not yet verified
GalaXseeds
—Science-fiction online game · Not yet verified
Hostile Space
—Science-fiction MMORPG · Not yet verified
Infantry Online
1999Action MMO · Free play
Infinite Fleet
—Science-fiction MMO strategy · Not yet verified
Infinity: The Quest for Earth
—Science-fiction MMO · Not yet verified
Interstellar Empires
2026Browser sci-fi MMORTS · Free-to-play open beta
Interstellar War
—Science-fiction online strategy game · Not yet verified
Iron & Velvet
2026Cyberpunk/social roleplay MUD/MMORPG · Free-to-play
JediMUD
1992Science-fiction/fantasy MUD/MMORPG · Free-to-play
Jumpgate
—Space MMORPG · Not yet verified
Jumpgate Evolution
—Space MMORPG · Not yet verified
Laryen: AI Protocol
2026Sci-fi action MMORPG · Free-to-play / in-app purchases
Legends of the Jedi
1999Science-fiction roleplay MUD/MMORPG · Free-to-play
Living After War
—Science-fiction MMORPG · Not yet verified
Mavericks: Proving Grounds
—Battle Royale · Not yet verified
MetalMercs
—Science-fiction online game · Not yet verified
Miriani
2006Science-fiction MOO/MMORPG · Free-to-play
Multiverse: Revelations
2022Fantasy/sci-fi MUSH/MUD MMORPG · Free-to-play
Nebula Online
—Science-fiction MMORPG · Not yet verified
Nemexia
—Browser space strategy MMO · Not yet verified
Neocron
2002Cyberpunk MMORPG · Free to play
Neocron 2
2004Cyberpunk MMO · Free-to-play
Neocron 2: Beyond Dome of York
2004Cyberpunk MMORPG · Free to play
Next Island
—Science-fiction virtual-world MMO · Not yet verified
No Man's Sky
—Online space sandbox · Not yet verified
NukeFire
1996Post-apocalyptic fantasy/sci-fi MUD/MMORPG · Free-to-play
NukeZone
2001Sci-fi turn-based MMO strategy · Not yet verified
NULLSPACE
2026Browser space strategy MMO · Free-to-play open source
Old Light
2026Persistent browser space strategy MMO · Free-to-play
Orbitarion
2026Sci-fi turn-based MMO strategy · Not yet verified
OtherSpace
1998Science-fiction roleplay MUSH/MMORPG · Free-to-play
Outer Directive
2026Browser 4X space MMO · Free-to-play
Pardus
2004Science fiction MMO · Free-to-play
Perpetuum
2010Science fiction / mech MMO · Free-to-play
Phantasy Star Online
2000Science fiction MMO · Buy-to-play
Phantasy Star Online 2
2012Science fiction MMO · Freemium
Planet Arkadia
—Science-fiction virtual-world MMO · Not yet verified
Planet Calypso
—Science-fiction virtual-world MMO · Not yet verified
Planetarion
2000Sci-fi turn-based MMO strategy · Not yet verified
Project Genom
—Science-fiction MMORPG · Not yet verified
Project Ion
—Science-fiction MMORPG · Not yet verified
Project Zero-G
2026Persistent space simulation MMO · Free-to-play alpha
Prosperous Universe
—Browser space economy MMO · Not yet verified
PVP.FARM
20263D sci-fi browser MMORPG · Free-to-play open beta
Rebel Galaxy
—Space action RPG · Not yet verified
Redmoon
1999Korean sci-fi/fantasy MMORPG · Subscription
Reign
2004Sci-fi turn-based MMO strategy · Not yet verified
RF Online
2006Sci-fi fantasy MMORPG · Free to play with item shop
RF Online Next
—Science-fiction MMORPG · Not yet verified
Seattle2064
2025Cyberpunk roleplay MUD/MMORPG · Free-to-play
Shadowrun - Denver
2000Cyberpunk roleplay MUSH/MMORPG · Free-to-play
Shattered Galaxy
2001Sci-fi MMORTS · Not yet verified
Shayam
2000Post-apocalyptic fantasy/cyberpunk MMORPG · Historical commercial MMORPG
Siege on Stars
—Science-fiction MMORPG · Not yet verified
Sindome
1997Cyberpunk roleplay MOO/MMORPG · Free-to-play
Skyforge
2015Science fantasy MMO · Freemium
Solar Realms Elite
1990Sci-fi turn-based MMO strategy · Not yet verified
Space Dynasty
1990Sci-fi turn-based MMO strategy · Not yet verified
Space Empire Elite
1987Sci-fi turn-based MMO strategy · Not yet verified
Space Wars: Interstellar Empires
—Space strategy MMO · Not yet verified