WorthPlaying writes: "L4D2 promises to set a new benchmark for co-operative action games, adding melee combat to enable deeper co-operative gameplay, with items such as a chainsaw, frying pan, axe, baseball bat, and more.Scavenge mode pits humans vs. various infected, with the human team retrieving as many of the 16 gas cans to fill up generators within 90 seconds. Each successful usage adds 20 seconds to the clock, and players switch sides after three rounds. The team that wins the most games is victorious."
