83% positive reviews on Steam. For PC, Mac OS X & Linux.
This offer requires email and Facebook log on.
http://store.steampowered.com/app/274900/
The #1 rated Xbox Live Indie Game. Halo-inspired. Compete in classic Deathmatch & CTF or be the zombie in Infection & devour corpses to level up. Vehicles. Destructible & constructible environments. Zombie survival. Hookshots. We host a playdate every Wednesday, come join us!