Factor 5 was a game development company known for creating several technically demanding games, as well as being the recipient of an early Wii Remote prototype.
The company's best known as the developer of Star Wars games on the GameCube. Using the manual for the processor, they used the GaneCube hardware to make a game using techniques that Nintendo never thought of.
Factor 5 also ported WebKit to the Wii, being used as a base for most of the streaming apps on the Wii.