Here is the full list of all 23 Candle achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Fall into the same trap twice
Use the light burst power of your candle to unveil a hidden painting
Think carefully how to protect yourself from that rock
Try to confront the monster on your own
A mother always protects her children
Your candle is not THAT powerful
Survive underwater for over a minute
Complete Act 3
Ignite all the fire spots throughout the adventure
Win the game and do not lose more than 1 token
Fire is not always your ally
This rings a bell...
Complete Act 2
Remember to turn off your candle while you are hidden
Spread the blue fire as much as possible
Escape from a chasing Wakcha
Monkeys don't want to be disturbed
Jumping is not always possible
Complete Act 1
Drop from a high spot and stay alive
Jump over a Wakcha
I'm sure this is not what you wanted to do here...
Your journey is just beginning...