Xenos it's a new free online arcade games. Fight your way through 30 action packed levels, across 7 distinct areas. Battle deadly bosses, dash through minefields and dodge giant lasers. A rogue scientist, Dr Crenson, has harnessed a new type of energy, Xenos, to create a mechanical city and a huge army of robots to terrorize the earth. You have been selected to pilot Asterus, a battle-suit powered by Xenos energy, and humanity's last hope. UNLOCKABLES - Upon completing the game, Survival mode and Mission X are unlocked. - Endure against endless waves in Survival mode. - Face the ultimate challenge in Mission X.