Active Worlds
—Building / social MMO · Subscription
Browse 320 needs verification in MMOFinder with researched lifecycle status, platforms, business models, genres and profile depth.
Building / social MMO · Subscription
Low-magic role-playing sandbox MMORPG · Unreleased commercial project
Classless independent fantasy MMORPG · Commercial client release
Children's airport virtual-world MMO · Free-to-play with in-app purchases and membership benefits
MMORPG · Started as subscription-based at its 2009 launch; switched to free-to-play with microtransactions in August 2010
Single-player turn-based fantasy JRPG · Buy-to-play
Turn-based pet-focused fantasy MMORPG · Planned free-to-play service
Fantasy mobile RPG · Not yet verified
Browser MMORTS · Not announced
Cozy pixel persistent-world MMORPG · Free-to-play / upcoming Early Access
Sandbox fantasy MMORPG · Free-to-play Early Access
Third-person multiplayer fighting game · Free-to-play
PvP-focused fantasy MMORPG · Planned free-to-play release
Military Action MMO / sandbox · Not yet verified
High fantasy MMORPG · Regional model varied
Science-fantasy MMORPG and strategy hybrid · Never announced for commercial release
Persistent-world space MMO · Free-to-play / planned 2026
Science-fiction sandbox MMORPG / MOBA hybrid · Planned free-to-play release
Steampunk fantasy MMORPG · Free to play
Martial-arts action MMORPG · Free-to-play
Turn-based fantasy MMORTS / MMORPG · Planned free-to-play release
Closed anime action MMORPG · Not yet verified
Historical nautical MMORPG · Free to play
Action combat MMO · Free to play
Anime fantasy MMORPG · Free-to-play with cash shop
Fantasy browser action RPG · Free-to-play
3D browser action RPG · Free-to-play
Licensed kids' browser MMO · Free-to-play
Sandbox fantasy MMORPG · Never launched; planned a per-life pay-per-character fee (about $30 every 10-14 months) instead of a monthly subscription
Browser MMORPG · Free-to-play
3D fantasy MMORPG · Not yet verified
Browser Fantasy PvP MMO · Free-to-play
Browser MMORPG · Not yet verified
Anime action RPG · Not yet verified
Online survival sandbox · Buy-to-play
Turn-based Fantasy MMORPG · Free-to-play
2D sandbox MMO · Free-to-play / upcoming Early Access
Side-scrolling fantasy MMORPG · Free to play
Browser MMORPG · Free-to-play
Browser rhythm MMO · Free to play
Fantasy Browser MMOARPG · Free-to-play
Fantasy MMORPG · Free-to-play
Fantasy MMORPG · Not yet verified
Cancelled fantasy MMORPG · Not applicable; cancelled before release
Medieval fantasy MMORTS · Not yet verified
Mobile mythology RTS strategy MMO · Free-to-play
MOBA · Free-to-play
Sci-fi browser MMORTS · Free-to-play
Historical turn-based browser MMO strategy · Not yet verified
Browser turn-based MMORPG · Free to play
Sci-Fi Fantasy MMORPG · Unreleased; no business model was implemented
1v1 arena combat game · Free-to-play
Browser MMORTS (never released) · Not applicable; the game was never released
Browser side-scrolling fantasy MMORPG · Free-to-play
Dragon-transformation fantasy MMORPG · Free-to-play
European-fantasy browser MMORPG · Free-to-play
Racing MMO · Free to play with item shop
Session-based Hero Shooter · Free-to-play
Post-apocalyptic sci-fi sandbox MMORPG · Free-to-play
Fantasy MMORPG · Free-to-play
2D Action Fantasy MMORPG · Buy-to-play / planned release
Turn-based tactical Viking browser MMO · Free-to-play
Space simulation MMO · Buy-to-play
Fantasy Sandbox MMORPG · N/A — never released
Browser political strategy MMO · Free-to-play
Browser mafia-themed MMO · Free to play
Browser Strategy MMO · Free-to-play
Browser Strategy MMO · Free-to-play
MMO real-time strategy · Free-to-play (never released)
Never-released fantasy MMORPG · Not applicable - never released
MMO / Online Game · Free-to-play
Classic Fantasy Browser MMORPG · Free-to-play / open source
3D Classless Sandbox MMORPG · Free-to-play / active development
Dark fantasy action MMORPG · Buy-to-play / optional subscription
Browser action MMORPG · Free-to-play
Browser Strategy MMO · Free-to-play
Fantasy MMORPG · Free-to-play (planned)
Sci-fi fantasy MMORPG · Not yet verified
Sci-fi cyberpunk sandbox MMORPG · Not applicable (never released)
Mobile FPS/RPG Hybrid · Free-to-play
Asymmetric co-op action RPG · Free-to-play (never released)
Browser strategy game · Subscription (play-by-mail style)
Sandbox fantasy MMORPG · Free-to-play with optional upgrade fees
Chinese fantasy MMORPG · Free to play
Online survival sandbox · Buy-to-play (Early Access)
Browser turn-based MMORPG · Free-to-play
Cancelled sci-fi mech MMORPG · Not applicable (never released)
Sandbox survival MMORPG · Not confirmed in current sources
MMORPG · Free-to-play
Historical MMORTS · Free-to-play
Online creature battler · Not yet verified
Persistent old-school MMORPG strategy hybrid · Upcoming Early Access
Browser strategy MMO · Free-to-play
Online sandbox game · Free-to-play
Fantasy text MUD / MMORPG · Freemium
Browser MMORTS · Free-to-play
Browser action MMORPG · Free to play
Post-apocalyptic MMORPG · Free-to-play (planned)
Fantasy PvE MMORPG · Upcoming
Browser Fantasy MMORPG · Free-to-play
Fantasy PvP MMORPG · Free-to-play (planned)
Browser Text-based MMO · Free-to-play
Open-world card-battle RPG · Free to play with gacha-style card draws
Browser hack-and-slash action MMO · Free-to-play
Mobile collection RPG · Free to play
Mobile action RPG · Free-to-play (closed)
Session-based Third-Person Shooter MMO · Free-to-play
Fantasy MMORPG · Free to play
Sci-fi MMORPG (never released) · Not applicable; the game was never released
Dark fantasy browser MMORPG · Free-to-play
Never-released space MMO · Not applicable; never released as a playable MMO
Sci-fi MMORPG · Not applicable (never released)
Online action game · Not yet verified
Browser fantasy MMORPG · Free-to-play
Space MMORPG · N/A — never released
Browser MMORTS · Free-to-play
Browser Anime MMORPG · Free-to-play