Known issueFixUpdated Nov 9, 2026, 09:28 UTC · 2 replies on Steam

IDLE BOSS RUSH: Achievement Problem (Workarounds)

Short answer

No confirmed fix yet. Players suggest: Fixed in v.

The problem

In Game I finished "Jack of All Arenas" but steam didn't gave me the achievement
Sorrelho, original post

What players suggest

Fixed in v. 1.2.10 - open the achievements panel and the missing ones should get unlocked on Steam
Irid Games

Did this work for you?

Source: original Steam Community discussion. Quotes are shortened; all credit goes to the posters. Tags: achievement

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