Here is the full list of all 13 Greedy Crush achievements.
Get 100 Stars in Adventure mode
Get a 7-combo
Get 9000 Score in Arcade mode
Get 9000 Score in Survival mode
Get 3 Stars in first level
Complete Day 1
Complete Day 2
Complete Day 3
Complete Day 4
Complete Day 5
Complete Day 6
Play 3 times Arcade mode
Play 3 times Survival mode