Cosmo Dog - Version 1.0 Addictive free arcade game with shooting elements by Game-Mahjong.com Help Cosmo Dog to leave the planet, collect the spaceship from 3 parts, 2 jerricans with fuel and provision (bone and milk). Avoid enemies flying UFO, crabs and asteroids and shoot at them to score points. The Dog travels from one planet to another; the next level is harder than the previous one. You have three lives. Publish the best result online. Use arrows to move the dog and Space to shoot.