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The IdleOn Codex

The IdleOn Codex is a fan-made reference built for Legends of IdleOn (by LavaFlame2), covering class talent trees, skilling and resource nodes, obols, the guild, world atlas, bosses, quests, and a complete item drop-source index. Achievements, card collections, and star signs can auto-check themselves from a save-file snapshot. Everything is sourced directly from the game's own exported data rather than paraphrased from wikis.

Free on itch.io· Browser companion guide · fan resource
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Best for: Legends of IdleOn players who want exact numbers instead of guesswork, and anyone curious what AFK Artifact builds when it is not building AFK Artifact.

Key features

  • Exact class talent trees, Lv1 through max, for every class
  • A complete item drop-source index across every monster and resource node
  • Full World Atlas with monster and NPC locations, plus exact boss drop tables
  • Save-file import that auto-checks achievements, card levels, and star signs
  • Verified Journeyman / Maestro / Voidwalker unlock walkthrough
  • Site-wide search across every page

What's included

  • Free, no install, opens directly in your browser
  • Dark and light themes
  • Local-only progress tracking (nothing leaves your browser)

Delivery: Opens instantly in your browser — no install, no account needed.

License & support: Free to use. Fan-made and unofficial: not affiliated with or endorsed by LavaFlame2.

FAQ

Is this an official Legends of IdleOn resource?›

No. It is an unofficial, fan-made companion guide built by AFK Artifact. It is not affiliated with or endorsed by LavaFlame2.

Do I need an account to use it?›

No. Everything is free and opens directly in your browser. Progress tracking is stored locally on your device.

Where does the data come from?›

Directly from the game's own exported data files, cross-checked against the community IdleOn Toolbox project, rather than paraphrased from wikis.

Can I request something be added?›

Yes — sign in and leave a comment on this page with what you'd like to see covered next.

Feature requests & feedback

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