Here is the full list of all 11 Grind Zones achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
To collect 200 items
Destroy 500 enemies
To lose a hundred times
Kill 250 enemies
To collect 50 items
Get past the first location
To lose 10 times
Destroy 100 enemies
To collect 10 items
Kill 20 enemies
Run the game