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