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Manage up to 11 class-based heroes in an incremental MMO, fighting monsters, gathering resources, and progressing while away.
Released 06 Nov 2025
Manage Eleven Characters
Collect AFK Gains
Defeat World Bosses
The incremental idle MMO where your heroes keep fighting while you're gone! Spend their loot on upgrades, unlock classes from Elemental-Wizard to Cannon-Pirate, and level 20 unique skills like Farming, Sailing, and Construction!
Developed by Lavaflame2 · Published by Lavaflame2
IdleOn is an incremental MMO RPG where you build an account of up to 11 characters, each with a class and role. Send them through worlds to fight monsters, advance across maps, and take on bosses.
Progress comes from both active play and time away: improve characters with upgrades and skill-tree choices, gather loot and resources, and put each character to work. Return to collect their accumulated AFK gains and invest them in further upgrades.
Combat is only part of the progression. Skills include activities such as farming, sailing, cooking, woodcutting, alchemy, and construction; their resources and upgrades feed into a broad set of account systems and long-term goals.
Players who praise IdleOn point to its deep, interconnected progression, the satisfaction of improving a roster of characters, and its charming pixel art. Some enjoy having goals to work toward both actively and while away. Many reviews also express frustration with frequent paid boosts and limited-time offers, while others criticize the increasing demands for active play, technical problems, or how criticism is handled in the community.
Make progress actively by buying upgrades, optimizing skill-tree builds, min-maxing your stats, and defeating bosses! Load up IdleOn the next day, spend your AFK gains earned while you were away, and buy MORE upgrades!
IdleOn lets you create 11 characters, so you'll have one of each class - each one plays a unique role in your account! Just don't forget about the secret class-line, including a secret Subclass, secret Elite-class, and secret Mastercl... I've already said too much...
You'll do more than just fight - in your quest toward the endgame, you'll need to attain full mastery over skills like Cooking, Woodcutting, Alchemy, Construction, and MUCH more!
Developer posts, giveaways, and game discussions await you in IdleOn's Discord server!
IdleOn is free to play, and all classes, maps, skills, bosses, and activities are available without purchase. There is no paid DLC or exclusive gameplay content locked behind a paywall.
Optional in-game purchases are available, including helpful boosts and collectible pets, but they are not required to explore the world, unlock classes, or play through IdleOn’s core systems.
IdleOn is a long-term idler game, made for those seeking out a multi-year long experience!
Looking for a short, premium idler game instead? My new game Fortune Mill is what you want :D
| Platforms | Windows |
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| Achievements | 276 |
| Age ratings |
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| Players | 1–10 |
| Play modes |
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| Other modes |
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| Multiplayer | IdleOn is primarily playable solo, but it includes online multiplayer features. Store metadata lists MMO, Online Co-op, and Cross-Platform Multiplayer. Reviews consistently describe limited social interaction, with guilds, chat, visible players in shared areas, and multiplayer dungeons as the main multiplayer elements. Party dungeons support groups of up to 10 players. Some reviews also mention grouping for bosses, quests that require other players, and possible future trade functionality. |
| Multiplayer & mods | No multiplayer mod support is mentioned. Reviews mention third-party web tools for progression tracking, but not mods that change multiplayer. |
| Controller required | No |
| DRM / EULA |
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| Content notices |
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| Website | Official website |
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