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