Here is the full list of all 22 Along Together achievements.
Score 40 points on the handheld game.
Hit 20 targets with the slingshot.
Play with every treasure at least once.
Bring Rishu home.
Find every treasure in the game.
Find all treasures in the Junkyard.
See a shooting star.
Find all treasures in the Caves.
Reach the end of the Caves.
Crush 5 cars in the junkyard.
Find 7 treasures.
Don't leave the kid hanging.
Make a stalactite splash down in the water.
Score 20 points on the handheld game.
Knock down all the apples in 1-3.
Score 5 points on the handheld game.
Complete Level 1-2 without shooting any birds.
Find all treasures in the Forest.
Reach the end of the Forest.
Find a treasure.
Work with Rishu to cross the bridge in Level 2-1.
Pet Rishu.