Gamebryo

Gamebryo or Gamebryo Element is a multi-platform graphics engine from Emergent Game Technologies (EGT) used primarily for gaming, written in the C++ programming language.

Also known to be incredibly shitty, glitchy and unstable. AWESOME!

Platforms and games
Gamebryo Element runs on the following platforms:
 * Windows
 * Wii
 * Playstation 3
 * Xbox 360
 * Playstation 2
 * Xbox
 * Gamecube

The use of Gamebryo Element is seen in prominent titles such as Morrowind, Oblivion, Warhammer Online, Axis & Allies, Fallout 3, and Fallout: New Vegas.