GamesRadar - Build towers and hope they're strong enough to keep enemy hordes at bay. That’s the gist of a tower defense game, and when 11 Bit Studios released Anomaly Warzone Earth back in 2011, it turned the genre upside down. Instead of building up towers, you were knocking them down. Continuing this tower offense format, Anomaly 2 looks familiar but expands on what made the first one so much fun to play. New units, morphing abilities, and the addition of an asymmetrical multiplayer mode are just some of the reasons why Anomaly 2 is an impressive sequel.