Island 5 · World 3

Fermentation Valley Guide

Fermentation and dough mechanics dominate. Time management becomes crucial — dough rises and fermented goods expire. Complex multi-step recipes require precise timing. Fermenting Imp Mushrooms for Imp helpers becomes an important strategy.

New Mechanics Introduced

Fermentation Valley introduces the following core mechanics that you must master to complete its 8 levels:

  • Fermenter machine
  • Dough rising & expiration
  • Multi-step cooking
  • Imp breeding

New Ingredients

These ingredients first appear on Fermentation Valley:

  • Dough
  • Yeast
  • Fermented sauces
  • Bread
  • Green Imp Mushrooms
  • Salt

Dangers and Hazards

Watch out for these hazards on Fermentation Valley:

  • ⚠️ Dough over-fermentation
  • ⚠️ Fermented good expiration
  • ⚠️ Complex timing management

Level Strategy Tips

Here are general strategies that apply across all 8 levels on Fermentation Valley:

  • Master every previous mechanic before attempting these levels
  • Isolate void machines from all other production
  • Use multi-layer conveyors strategically
  • Don't hesitate to scrap and rebuild sections that aren't working

Witchelin Stars

Each level on Fermentation Valley contains hidden Witchelin Stars. Finding them often requires completing the level under special conditions — faster delivery, lower pollution, or creative factory shortcuts. Check the Achievements guide for detailed star locations.

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