Biomes
Official biome structure: two to three unique biomes in each of the four worlds.
Official material puts two or three unique biomes in each of the four worlds, plus shared biomes. The named look of the game is forests, underwater places, dunes, cloudy heights, floating islands, and crystal mine shafts.
Quick reference
Official FAQ.
Plus common biomes.
Official demo note, including the Mines.
Use path and area names instead.
How to read biomes
A review that talks about four biomes with many levels is probably using biome the way the FAQ uses world. Fan lists of six named biomes are not used here.
Starstone Mines sits on the Volcano path and matches the official demo Mines note. For the full area list, use Worlds. For the route, use the Walkthrough.
Frequently asked questions
How many biomes are in Duskfade?
Officially, each of the four worlds has two or three unique biomes plus common biomes. The demo was described as four biomes including the Mines.
What are the biome names?
Official pages describe environment types, not a full name list. Use the Tick Town path list on the Worlds page.