After a long testing period, does Natural Selection 2's release stand up to expectations? Or has the classic mod failed to adapt and evolve to survive? Find out in our ValveTime Review! Don't forget to enter our competition using the details at the end of the video in order to be in with a chance of winning one of two copies of Natural Selection 2. The two winners of the competition will be announced this weekend on the ValveTime weekly news round-up alongside the Metro 2033 giveaway we're currently running on our ValveTime Top 5 Halloween episode.