Part 16

Achievement: Bunny Buddies
Time: Chapter 1, middle
Location: Area with the bunnies!
Description: "You made the bunnies play nice."
At the top of the wall, follow the linear path northward and you will see a group of bunnies in the level below you. Drop down to the right and run to the bunny area. In the bunny area, you will see all black bunnies and just one white bunny, along with a coal pit in the center. As Little Brother, grab the white bunny and drop him into the coal pit to receive the achievement "Bunny Buddies."

Achievement: Black Sheep
Time: Chapter 1, middle
Location: From the area with the sheep to the area with the bunnies!
Description: "Every family's got one."
At the bridge with the wheel, you can obtain the "Black Sheep" achievement. First, get the bridge down by having Little Brother jump on the hamster wheel and walk on it to lower the bridge. Big Brother must cross while Little Brother keeps the wheel moving. While Little Brother is on the wheel, Big Brother should cross the bridge and grab a sheep. Carry the sheep back over the bridge, ensuring Little Brother continues to move the wheel. Once Big Brother reaches the other side, Little Brother can stop. Carry the sheep all the way to the coal pit with the bunnies. Drop the sheep into the coal pit to obtain the "Black Sheep" achievement.

Achievement: Love Birds
Time: Chapter 1, middle; and Chapter 4, middle
Location: Bird cage near area with sheep; inventor's place
Description: "You re-united the two love birds."
First, open the bird cage north of the bridge with the wheel. The cage is next to the bench. For the second part, make your way to the inventor's platform, go down to the hang glider, and find a rusty telescope on the railing. Look through the telescope and move your view southeast until you see two birds on a branch to reunite them and obtain the achievement.

Achievement: Falling Star
Time: Chapter 3, beginning
Location: Right after wolves in the forest
Description: "Make a wish."
At the beginning of chapter three, walk through the forest full of wolves until you reach a graveyard. From the entrance of the graveyard, take an immediate right turn and walk to the statue of the angel. Interact with the angel statue as Little Brother and hold down the interact button until... (The source text is cut off here).