There are a maximum of 12 Gyruss achievements worth 525 (200)
3,352 tracked gamers have this game, 129 have completed it (3.85%)
Obtain a score of 60,000 during an Xbox Live Co-op game.
Unlocked by 836 tracked gamers (25% - TA Ratio = 2.00)
Do you have a question about this achievement? Please post it in the Gyruss Forum