Massively multiplayer online games are persistent worlds shared simultaneously with thousands of other players — and the genre is defined by scale, community, and longevity. Where most games end when you finish the story, MMOs are designed to run for years or decades: Final Fantasy XIV has been active since 2010, World of Warcraft since 2004. The appeal is a living world shaped by a community, with social structures, player economies, and endgame content that no single-player game can replicate.
131 games

2009 · Action

2000 · Action

2004 · RPG

2013 · RPG

2016 · Action
Free
2012 · Adventure
Free
2025 · Shooter
$49.99from $39.99
2015 · Action
$19.99from $5.57
2011 · RPG
Free
2018 · Adventure
Free
2020 · Action

2017 · Action
$24.99from $4.99
2016 · Action
$59.99from $19.17
2018 · Action
from $39.99
2024 · Action
$34.99from $7.90
2013 · Action
Free
2016 · Action
$19.99from $17.88
2016 · Action
from $19.99
2017 · Action
$49.99from $9.00
2020 · Adventure
from $44.99The MMO genre has evolved significantly since its World of Warcraft peak. Traditional subscription MMOs — WoW, Final Fantasy XIV, The Elder Scrolls Online — offer the deepest content and most polished experiences. Free-to-play MMOs — Guild Wars 2, Lost Ark, Black Desert Online — lower the barrier to entry but vary in how aggressively they monetize progression. Buy-to-play MMOs like New World require a one-time purchase with optional subscriptions. Survival MMOs — Rust, DayZ, Ark: Survival Evolved — are less structured: open-world survival games with massive player populations rather than quest-driven story content.
Before committing to an MMO, research the true cost of entry: many games have a base price, multiple years of expansions each priced separately, and optional subscriptions on top. Final Fantasy XIV, for example, has four major expansions — buying all at full price is a significant investment. Research which expansions are considered essential for the current game state before buying. Also consider server population: some older MMOs have consolidated onto fewer servers, affecting the social experience the game was designed around.
MMO pricing is the most complex in gaming — base game, expansions, subscriptions, and in-game stores all stack up in ways that aren't always transparent. GameTheca tracks base game and expansion prices across every store so you can calculate the real cost of getting current before committing. Expansion bundles frequently go on sale around new content releases, which is often the best time to catch up on older content.
131 massively multiplayer titles tracked — ranked by rating and popularity.