Here is the full list of all 25 Clouds & Sheep 2 achievements.
Spend 100 balls of wool on painting sheep!
Give your sheep 10 hats!
Purchase 10 decorative objects!
Split 100 clouds!
Let your sheep get struck by lightning 25 times!
Toss 100 sheep!
Let 3 clouds rain at the same time!
Touch 100 clouds!
Let a single sheep jump 100 times on the trampoline!
Let your sheep eat 100 tufts of grass!
A sheep died and became a cloud!
Match a loving couple!
Shear 100 sheep!
Get 10 sheep!
Let a sheep do a full swing!
Try to hit a lamb with lightning bolts 10 times!
Roll a sheep against a pinwheel!
Equip a male black sheep with a pirate hat on Treasure Island!
Equip a male white sheep with a cowboy hat in the Prairie!
Solve 100 quests!
Build 11 snowmen!
Build a snowman using two baby sheep snowballs!
Plant 100 conifers!
Find the Fountain of Youth!
Find 100 hidden Easter eggs!