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