Cell Factor is NOT the Xbox Live arcade FPS your looking for.

User Rating: 5 | CellFactor: Psychokinetic Wars X360
I bought this game thinking it looked ok and seemed like the fun and quick live-based FPS I've been looking for. I was wrong for the most part, with only one of the classes being all that fun to play, the combat based class overmatches the others easily. The guns aren't inventive or very fun to use and the action is kind of lame. The AI plows straight ahead, often right past you, and will snatch guns right in front of you. The shield and throw abilities are a cool idea for this price but I found myself falling back on old hunker down and shoot it out tactics. The starting gun doesn't seem much weaker than the other weapons and I never developed a favorite, usually defaulting to the assault rifle, my bread and butter. A few of the levels were large and fun to run around, but the low number of combatants can leave you with some running to do. There are much better games to buy, especially with full titles available for only a few dollars more and this original xbox feeling shooter just fails to satisfy.