Here is the full list of all 18 Glorkian Warrior: The Trials Of Glork achievements.
Destroy 1 Million invaders total
Break 5 Million in a single game
Destroy 250000 invaders total
Destroy the UFO with fireballs
Jump on 1000 spitters total
Break 2 Million in a single game
Kill 3 spitters without touching the ground
Destroy 50000 invaders total
Break 1 Million in a single game
Collect 100,000 crackers
Kill 2 spitters with one jump
Break 500K in a single game
Break 250K in a single game
Destroy 5000 invaders total
Defeat Florpagroinker
Break 100K in a single game
Defeat Slurpazoinker
Defeat Tri-Blurxibeast