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Legends of IdleOn: best for the deepest idle MMO with many characters
Platform: Steam, Browser, Mobile · free-to-play
Legends of IdleOn is "the power fantasy of an MMO, with the automation of an incremental game". You create up to 11 characters, one of each class, and each plays its own role in your account while they fight and skill on their own. Beyond combat there are skills like Cooking, Woodcutting, Alchemy, Construction, Farming and Sailing, plus secret class lines for the curious.
It is free to play on Steam (Windows), in the browser and on mobile. The developer states that all classes, maps, skills, bosses and activities are available without purchase, with optional purchases for boosts and cosmetics. It has 77% positive from 29,910 Steam reviews as of November 2026, and its Discord lists 200,000+ members.
Pick it if you want one game to log into every day for a year.
Watch out for: Free, with optional purchases for boosts, and the sheer number of systems is overwhelming at first.











