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Theory of Magic (Arcanum)

2019

A text-heavy mage's apprenticeship with hundreds of spells, classes and dungeons. Dense, charming, community-kept.

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The decision, in plain language

What to know before playing

Also known as Arcanum, this incremental grows a character from ordinary work into magical study, a lair, spells, and dungeons. The interesting choice is which magical direction to pursue, rather than simply when to reset.

Who it suits

Choose it for a text-heavy fantasy progression game with several development paths.

Before you start

Use the maintainer's listing and its source link when checking version information. Offline behavior and completion time remain unverified here.

The tradeoff

The Galaxy listing is posted by a maintainer with the original developer's permission. It should not be confused with a newly authored game or every other title called Arcanum.

A different direction

Idle Loops →Melvor Idle →Kittens Game →

Primary sources

Authorized maintainer's description and source link ↗

Source-checked research, not a completed playthrough. Unknown mechanics stay unverified; existing estimates in the fact table are separate.

Research notes checkedMaintained by Maxwell PrehodaHow we choose

At a glance

Catalog estimates, reviewed Sep 29, 2026. Suggest a correction
EndlessEnding
∞Time to finish
45%Idle (0 = active)
?Offline progress
0Prestige layers
YesSave export
NoPlays on mobile
FreePrice
CustomEngine

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Live signals

4.5Galaxy rating / 5
104,948Galaxy play hours

Pulled from galaxy.click.

Tags

RPGMagicTextDeep

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Theory of Magic (Arcanum): common questions

Does Theory of Magic (Arcanum) have an ending?

No. Theory of Magic (Arcanum) is built to keep going: there's no final screen, just further layers, upgrades and records to chase.

Is Theory of Magic (Arcanum) an idle game or an active one?

Balanced: we rate it 45 on a scale where 0 means fully active and 100 means it plays itself. Short active sessions help, but it keeps going without you.

Is Theory of Magic (Arcanum) free?

Yes, Theory of Magic (Arcanum) is free to play in your browser.

Where can you play Theory of Magic (Arcanum)?

Theory of Magic (Arcanum) is available on browser, but not on phones.

Can you export your Theory of Magic (Arcanum) save?

Yes. Theory of Magic (Arcanum) can export your save as text, so you can back it up or move it between devices.

What games are like Theory of Magic (Arcanum)?

NGU Idle, The Climb - Demo and Dragon Cliff share the most with it. NGU Idle: also rpg, deep. All games like Theory of Magic (Arcanum) →

Compare Theory of Magic (Arcanum)

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