Here is the full list of all 30 Table Ball Playtest achievements.
Get at least 100 points against the AI
Get at least 50 points against the AI
Get at least 500 points against the AI
Use the speed boost powerup in the Advanced Game Mode
Allow the AI to get 50 points
Some people just like free stuff ok?
Allow the AI to get 100 points
Allow the AI to get 500 points
Experience the "slowmode" weakness in the Advanced Game Mode
Experience the "inverted controls" weakness in the Advanced Game Mode
Play Table Ball with another person
Allow the AI to get 1000 points
Allow the AI to get 5000 points
Get at least 5000 points against the AI
Get at least 1000 points against the AI
Earn 50 points in the Survival Game Mode
Earn 100 points in the Survival Game Mode
Get a Game Over in the Survival Game Mode
Earn 500 points in the Survival Game Mode