The environment of Autumn Heights is heavily inspired after Swiss landscapes, being a grassy mountain or canyon where pine, birch trees, and various species of shrubs and flowers form the prevalent vegetation. Swiss architecture is also captured in many of the buildings found in early levels, such as windmills, steeples, and chalets. Some levels take place in greeny landscapes, while others are set in red, autumnal forests. The island also features a sawmill where the trees are chopped up and processed, as well as caverns used for cheese storage by sapient mice, the Cheesy Chesters, common enemies in this world. Other common species are Schnautzels, wild boar enemies that puff fireballs out of their snouts.
Hootzes and other Snowmad relatives seem to have established a town in the higher summits of Autumn Heights. However, some of the huts specific to this town can also be found near the base of the island, during Mountain Mania. Owl statues and constructions are dedicated to the presence of Hootzes. The highest summit of the island itself depicts the visage of an owl.
The following is extra content that can be unlocked in Autumn Heights. The unlockables can be seen in their respective galleries after selecting the "EXTRAS" option. For a full list of extras in the game, see here.
Images are unlocked by collecting all Puzzle Pieces in certain levels. Below every image that follows is the name of the level it can be unlocked in.
A soundtrack selection for this world can be unlocked after beating Skowl, the Startling.
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