The document discusses several popular video games from 2007 including Halo 3, Call of Duty 4, Dead Space, and Fallout 3. It summarizes that Halo 3 was the best selling game in 2007 due to hype from previous titles and had impressive graphics for a 2 year old game. Call of Duty 4 was the overall best selling game of 2007 and had more online players than any other Xbox game. Dead Space was praised for its zombie slashing but had an average storyline. Fallout 3 was commended for being one of the longest games ever made with around 100 hours of gameplay and unique combat system.