Achievements:ACHIEVEMENT – HOW TO UNLOCKSafety First (10 points) – Make it to Neptune without losing a life.Tough Guy (10 points) – Make it to stage 7 without obtaining any bonus weapons.Good Start (10 points) – Get 12,000 points in the first stage.Sharp Shooter (10 points) – Kill all ships on the first 3 bonus levels.Exploring Uranus (10 points) – Make it to Uranus.Exploring Saturn (20 points) – Make it to Saturn.Exploring Jupiter (20 points) – Make it to Jupiter.Mars Attack (30 points) – Make it to Mars.Mother Earth (30 points) – Make it to Earth.Partnership (10 points) – Score 60,000 during an Xbox Live Co-op game.Team Work (20 points) – Score 200,000 during an Xbox Live Co-op game.Too Good (20 points) – Win 50 Xbox Live Versus games.