Accomplish the indicated task to get Gamerscore points:
Apocalypse: Stay alive until twenty enemies appear then destroy them.
Crystal Master: Get at least 1,000,000 in one game.
Crystal Ninja: Get at least 10,000,000 points in one game on the Standard or lower difficulty.
Crystal Rookie: Get at least 10,000 points in one game on the Standard or lower difficulty.
Immortal: Get at least 1,000,000 points without losing a life on the Standard or higher difficulty.
Life-saver: Get 30 lives on the Standard difficulty or higher difficulty.
Marathon Man: Complete the first 60 waves in one game.
Navigator: Complete Wave 20 without touching a mine or obstacle on the Standard or higher difficulty.
Nerves Of Steel: Get 1,000,000 points without using any smart bombs.
Smart-ass: Get 30 smart bombs on the Standard or higher difficulty.
Speek Freak: Complete Wave 1 in five seconds or less.
Treasure Hunt: Get at least 30 bonus crystals in one game.