1. Underworld Idle Achievements
  2. Boiler achievement
Underworld Idle

Underworld Idle

111
8
1.94
838
177 (21%)
200+h
Lists Game action
Underworld Idle
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Boiler achievement in Underworld Idle

Boiler

Blow up the boiler

Boiler0
Offline Mode - These achievements require play in game modes that do not necessitate a connection to any online services.Single Player - These achievements can be obtained by a single player.

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