Game is used with some wear on the case with a large cut on the back of the case.  The disc has some scratching but still works. There are no instructions or inserts.

Immerse yourself in Valve Software's critically acclaimed PC game, Portal. This puzzle game will challenge your problem-solving skills as you navigate through a mysterious world filled with portals and obstacles. The T-Teen rated game takes place in the NTSC-U/C (US/Canada) region and was released in 2008.