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