DragonFable – single-player focus, but multiplayer hubs.
Realm of the Mad God – permadeath bullet-hell MMO, cooperative.
3D Browser / Light Client
AdventureQuest 3D – cross-platform (browser/Steam/mobile), modern 3D.
Fallen Earth – post-apoc crafting-heavy MMO, now browser-playable via streaming.
The West – western-themed, town-building, PvP.
Non-MMO but Co-op
Stardew Valley (via Steam Remote Play Together) – farm sim with multiplayer.
BrowserQuest – short, open-source retro RPG.
Search “free browser MMO” on MMORPG.com or YouTube for current reviews. Prioritize genre (fantasy/sci-fi/western), art style (2D/3D), and community size.
