The Oubliette Engine is designed to be a 'crawl' based 3D game. A-kin to Legends of Grimrock and Dungeon Master. It's main difference is how it is provided. Using the latest in WebGL components combined with websockets to provide a multiplayer / persistence element.
Demonstrating a skysphere, complex geometry wall, with the 'Thinker' statue in place to test loading external objects.