After having difficulties with the Xbox Live service over the holidays, gamers were promised a free arcade game to make up for the downtime. Today Microsoft announced that it will be offering Undertow (normally 800 points) free of charge to all silver and gold Xbox Live subscribers.

Developed by Chair Entertainment Group, Undertow is an aquatic based shooter which will allow players to immerse themselves in a full single player campaign, online or offline co-op, as well as battle for control of the oceans as one of three selectable races in 2-16 people multiplayer.

The offer is valid for 5 days beginning Wednesday, January 23rd at 2:00 am PST and will end Sunday, January 27th at 11:59 pm PST. Undertow is available worldwide and is rated Everyone 10+.