Here is the full list of all 12 Plox Neon achievements.
Earn 3 Stars on all 60 levels.
Complete all levels.
Trap 12 enemies in the same level.
Complete Level 60: Armageddon without dying.
Clear 75% of the board in one sweep.
Complete any level without dying.
Complete any level with 3 Stars.
Complete Level 11: Badda Bing.
Clear 50% of the board in one sweep.
Clear 25% of the board in one sweep.
Trap a Bullet.
Trap a Bouncer.