Here is the full list of all 16 Cloudberry Kingdom achievements.
Complete Chapter 4
Score 500k in an arcade game
1000! This is how many obstacles you have already seen
Complete Chapter 2
Buy your first powerup
Finish the Story
Complete Chapter 7
Finish a bungee level with 3 dead allies
Score 1.5 million in an arcade game
Die 1337 Times
Get to level 20 while invisible in Escalation
Unlock every arcade game
Complete a chapter without dying
Save a level code
Reach Hybrid Rush level 50
Watch a replay with 50+ attempts