What is publicly confirmed about Moonlight Peaks' three named shapeshift unlocks, plus the evidence behind their known uses.

World & collection guide
Forms & hidden paths
Hellkitten, Bat and Mermaid routes from public achievement evidence.
Purrgatory publicly confirms the unlock. Do You Speak Animalese? confirms it can be used to talk to a creature. Launch coverage also reports faster travel and low-energy dirt digging.
A Bridge Too Far → Tension in the Crest Garden → A Croak and a Crest → The Dinner Party. This sequence is launch-guide evidence, not an official checklist.
Wings of the Night confirms Bat form can be unlocked. Official feature material establishes shapeshifting as an exploration system.
Exact quest, timing, travel advantages and blocked routes. No unlock walkthrough is published without direct verification.
Call of the Current confirms Mermaid form can be unlocked. The title strongly suggests water traversal, but the site does not treat that inference as verified gameplay.
Exact unlock condition, swimming routes, underwater areas and required relationship or story progress.
Map, collections, forms and achievements.