Here is the full list of all 15 Hole in Won achievements.
Beat any 10 levels in the Arcade.
Beat any 5 levels in the Arcade.
Reach level 100 in the campaign.
Reach level 90 in the campaign.
Reach level 80 in the campaign.
Reach level 70 in the campaign.
Reach level 60 in the campaign.
Reach level 50 in the campaign.
Reach level 40 in the campaign.
Reach level 30 in the campaign.
Reach level 20 in the campaign.
Change your palette color in the settings menu.
Reach level 10 in the campaign.
Change your sky color in the settings menu.
Upload your own level in the level editor.