Unity navigation system

Job ID: 32858095

Budget: $30 – $250 USD

An archaeological site, 4 levels of excavation. Models of the terrain (all 4 levels, from the top one at the beginning of the excavation until the bottom one where the clean rock is reached) were made with photogrammetry and optimized for the game engine.
What is needed: Navigation system for navigating the character around the models (walking around the terain and switching from model to model - from one level of the excavation to the other).
Basic navigation system: walking, jumping, crouching, looking around.