Joseph Stasio (Prima Games): Defense Grid 2, sequel to the much acclaimed Defense Grid: Awakening, is finally here and provides another memorable tower defense experience. If you're new to the series or even the genre for that matter, here's an introduction and a few pointers on saving Earth from countless waves of stubborn alien invaders.
The Nerd Stash: "Everyone loves setting up killzones and laying waste to waves of enemies, so here are our picks for the best tower defense games ever."
It's also free to try on the mobile headset and Oculus Rift.
Tower defence games have become incredibly popular on iOS and Android devices over the last few years but they are also incredibly fun to play on your PC.
