Game Center achievements

Complete the following tasks to unlock Apple Game Center achievements.

Completed All Missions On Easy : Complete all missions in Easy Difficulty.
Completed All Missions on Hard : Complete all missions in Hard Difficulty.
Completed All Missions on Normal : Complete all missions in Normal Difficulty.
Crystal Miner : Collect 500 Crystal Cubes.
Directional Gun Master : Get to Directional Gun Master Level 5.
Gold Miner : Collect 250 Gold Cubes.
Invincible on Hard : Complete all missions in Hard Difficulty without dying once.
Laser Gun Master : Get to Laser Gun Master Level 5.
Machine Gun Master : Get to Machine Gun Master Level 5.
Super Hero On Easy : Achieve Super Hero Status in Easy Difficulty.
Super Hero On Hard : Achieve Super Hero Status on Hard Difficulty.
Super Hero On Normal : Achieve Super Hero Status on Normal Difficulty.