Here is the full list of all 8 Push the Box - there are Puzzle Game achievements.
Get a total score of 3,000
Get a total score of 10,000
Get a total score of 50,000
Get a total score of 80,000
Get a total score of 100,000
Get a total score of 150,000
Get a total score of 200,000
Get a total score of 250,000