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