Loved the music and the mage design.
You made it look like Mario with a twist haha.
Loved the pixel art.
But if felt like you need to rearrange the controls for the keyboard!
you could put up down left and right - the normal move and jump buttons for every other game.
With space bar for special power - flame drop. Simple is always better.
And one more thing, when i tried to flame drop a rock that was under 5 others i broke everything to get the power up , this resulted in breaking a rock with which i could have made a higher jump onto another platform, and i couldn't collect the rest of the gems.
This happened in the first stage.
I think you should fix it.
Well done on the game and good luck further!