Here is the full list of all 20 Brick Breaker achievements.
Complete 30 levels in Arcade mode
Complete 20 levels in Arcade mode
Complete 10 levels in Arcade mode
Get 3 stars in a level in Arcade mode
Reach the max speed in Arcade or Survival mode
Reach the max combo in Arcade or Survival mode
Complete 40 levels in Arcade mode
Complete 50 levels in Arcade mode
Complete 60 levels in Arcade mode
Complete 70 levels in Arcade mode
Complete 80 levels in Arcade mode
Complete 90 levels in Arcade mode
Complete 100 levels in Arcade mode
Get 150 stars overall in Arcade mode
Get 300 stars overall in Arcade mode
Pass 10 levels in Survival mode
Pass 30 levels in Survival mode
Pass 50 levels in Survival mode
Pass 80 levels in Survival mode
Pass 100 levels in Survival mode