Here is the full list of all 23 Candle achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Your candle is not THAT powerful
Jumping is not always possible
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
Escape from a chasing Wakcha
Your journey is just beginning...
Fire is not always your ally
I'm sure this is not what you wanted to do here...
Jump over a Wakcha
This rings a bell...
Complete Act 2
Complete Act 3
Think carefully how to protect yourself from that rock
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
A mother always protects her children
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