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