There are a maximum of 12 Omega Five achievements worth 425 (200)
4,568 tracked gamers have this game, 458 have completed it (10.03%)
Tempest Master77 (25)
Complete Single Player Arcade Mode without continues using Tempest.
Unlocked by 482 tracked gamers (11% - TA Ratio = 3.07)
Do you have a question about this achievement? Please post it in the Omega Five Forum