This document provides an overview of level design and objectives for a stealth game. It describes environments like a tundra and crystalline caves and obstacles such as patrolling military units. It notes that players can acquire disguises and equipment like a wetsuit to help navigate levels undetected. Objectives involve picking up keys and crystal shards by solving puzzles or interacting with non-player characters for information. The levels culminate in entering mines through a foundry after navigating terrain, avoiding enemies, and collecting various items.