I liked a lot this game but I found an annoying bug that made me have to restart completely.
Basically, I pushed the knight with the wizard to the end of the level. This triggered the animation of the knight going to the next level but the camera remained on the wizard and I couldn't control him anymore so it was like the game had frozen but not really. I hope I helped.
Edit: also if you zoom out in that stage, and then zoom in, the camera will stay in the center of the scene
Great game and graphics overall.