Here is the full list of all 30 Ethan: Meteor Hunter achievements.
Be propelled by a mousetrap 50x
Finish a level without using a pause
Finish all the levels in the greenhouse
Use it, that's what it's there for!
Did you want to do that?
Finish the three levels with the vessel
If you stack it up, will it still bounce?
Finish the three pogo levels
Be propelled by air 50x
Finish all the levels in the cave
Get to the exit really very fast
Do you think you're an acrobat?
Get killed 20x by a mousetrap
Destroy all the items in any level with the vessel
Spend a total of 60 minutes in pause mode
Remain stuck on a puzzle for too long
Use 200 pause items
Finish all the levels in the sawmill
Jump 2000x!
88 miles per hour!
Collect a total of 1,000 fragments
Burn 100 blocks of wood
Die 10x in the same level
Complete a level without using any checkpoint returns and without dying
Complete the three challenges in all levels
Complete the fragment challenge in all levels
Complete the pause challenge in all levels
Complete the time challenge in all levels
Find every french cheese
Use THE most secret code in the world