The Chaser's Models addon - Amnesia: The Dark Descent

Landscape_1

Valley: Rocky valley, grass valley, dirt valley
Sharped, with many mountains: Rocky, dirt, dark rock
Smooth, plane-like: Grass, dirt

Alternative:

Mountains (Very tall, tall, not that tall, small mountain)
Vulcan: (Lava vulcan, shut downed vulcan [not dangerous], and the same ones with dark rock)

Slime Texture note: To get good results, the tiling must be reduced a lot (0.05, 0.01)

No screenshots for the ladder or landscapes included. Chaser is working on a rusted door.