Star Citizen
TBAScience fiction MMO · Buy-to-play
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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Use this category alongside Find an MMO, platform hubs, and Compare to narrow the catalog by the features that matter to you.
Related discovery hubs include MMORPGs, Sandbox MMOs, Crafting, Open World, and PvE.
Star Corsairs
—Browser space MMO · Not yet verified
Star Sonata
—Space action MMORPG · Free to play with optional subscription
Star Sonata 2
2011Space MMORPG · Free to play with optional privileges
Star Trek Online
2010Science-fiction MMORPG · Free-to-play
Star Trek Online (Perpetual)
—Science-fiction MMORPG project · Not yet verified
Star Trek: Infinite Space
—Browser space MMO · Not yet verified
Star Wars Combine
1998Science fiction MMO · Free-to-play
Star Wars Galaxies
2003Science-fiction MMORPG · Pay-to-play
Star Wars Mud
1993Science-fiction LPMud/MMORPG · Free-to-play
Star Wars MUSH
1990Science-fiction roleplay MUSH · Free-to-play
Star Wars: Age of Alliances
2001Science-fiction roleplay MUSH/MMORPG · Free-to-play
Star Wars: Dark Forces RPG
2024Science-fiction roleplay MUD/MMORPG · Free-to-play
Star Wars: Regicide
2020Science-fiction roleplay MUSH/MMORPG · Free-to-play
Star Wars: Squadrons
—Online space combat game · Not yet verified
Star Wars: The Old Republic
2011Science-fiction MMORPG · Free-to-play + optional subscription
Starbase
—Space sandbox MMO · Not yet verified
Stargate Worlds
—Science-fiction MMORPG · Not yet verified
Starmourn
2018Text-based sci-fi MMORPG / MUD · Free-to-play
Starport: Galactic Empires
—Space MMORPG · Not yet verified
StarQuest Online
2007Science fiction MMO · Free-to-play
Steel Hunters
2025Sci-fi Action MMO / PvPvE shooter · Free to play
Stellacept Online
20133D sci-fi fantasy MMORPG · Free-to-play
STellar Chaos
1990Sci-fi turn-based MMO strategy · Not yet verified
Stellar Dawn
N/AScience fiction MMO · Not announced
Stellar Odyssey
2026Idle space MMORPG · Upcoming
SubSpace
1997Action MMO · Not yet verified
Tabula Rasa
2007MMOFPS · Subscription
Taikodom
—Space MMO · Not yet verified
TempusMUD
1990Fantasy/sci-fi time-travel MUD/MMORPG · Free-to-play
Terra
1997Action MMO · Free play
The Continuum
2008Sci-fi turn-based MMO strategy · Not yet verified
The Matrix Online
2005Science-fiction MMORPG · Pay to play
The Repopulation
—Science-fiction sandbox MMORPG · Not yet verified
Tower of Fantasy
2022Shared open-world MMORPG · Free-to-play
Trade Wars
1980Sci-fi turn-based MMO strategy · Not yet verified
TradeWars 2002
1986Sci-fi turn-based MMO strategy · Not yet verified
Transverse
—Space MMO · Not yet verified
Trinium Wars
—Science-fiction MMORPG / RTS · Not yet verified
Twilight War: After the Fall
—Science-fiction MMORPG · Not yet verified
UltraCorps
1998Sci-fi turn-based MMO strategy · Not yet verified
Utopia
1996Sci-fi turn-based MMO strategy · Not yet verified
VEGA Conflict
2013Sci-fi MMORTS · Not yet verified
Vendetta Online
2004Science-fiction space MMORPG · Free to play
VertexOrbit
2026Browser space MMORPG · Free-to-play open beta
Warbible
1999Korean sci-fi MMORPG · Historical online service
Warframe
2013Sci-Fi Online Action RPG · Free to Play
X-Wars Resurrection
2026Browser space strategy MMO · Free-to-start / subscription
Yankee Trader
1990Sci-fi turn-based MMO strategy · Not yet verified
Zero Online
—Science-fiction MMORPG · Not yet verified
Zy Universe
—Sci-Fi arena shooter / online game · Not yet verified