Blastz.io is an io evolution game where you upgrade your spaceship to level up. Blastz.io is still in BETA. Evolution of Spaceships. You start as a small UFO spaceship. Kill monsters or other players to level up. When you level up, your spaceship will become stronger and you will unlock new and better spaceships. How to Play Blastz.io WASD - Movement Mouse - Aim/Shoot