There are a maximum of 12 Gyruss achievements worth 525 (200)
3,340 tracked gamers have this game, 129 have completed it (3.86%)
Team Work58 (20)
Obtain a score of 200,000 during an Xbox Live Co-op game.
Unlocked by 401 tracked gamers (12% - TA Ratio = 2.88)
Do you have a question about this achievement? Please post it in the Gyruss Forum