XBA says: You better have a spare Mouse and Keyboard lying around if you want any chance at surviving.
You don't need to climb to a tall place to check out the best tower defense games of all time.
How many are there? Billions you say? Well count them again to be sure.
They Are Billions is a zombie-themed, survival RTS where you need to protect your town against waves of incoming zombie hordes. There may not actually be billions of them, but it's damn close. This survival guide will help you make it out alive.
Lmfao, I bought this and beaten it already. Without ever using a mouse & keyboard. I guess those who are mentally challenged using a controller may need a mouse & keyboard. The game is absolutely amazing and addicting.