CheatCodes.com has the complete list of all Gyruss Achievements and Gamerscores for X360, including all secret Achievements. All official X360 achievements for Gyruss as of Monday March 2, 2015 are shown below, or you can print out our Printable Achievements Checklist that shows all Gyruss Achievements and Gamerscores in a simple quick-reference format.
Make it to Neptune without losing a life.
Make it to stage 7 without obtaining any bonus weapons.
Get 12,000 points in the first stage.
Kill all ships on the first 3 bonus levels.
Make it to Uranus.
Make it to Saturn.
Make it to Jupiter
Make it to Mars
Make it to Earth
Obtain a score of 60,000 during an Xbox Live Co-op game.
Obtain a score of 200,000 during an Xbox Live Co-op game.
Win 50 Xbox Live Versus games.