The infamous ghost and goblins jumping mechanic! Really liked that and the cool tile switching. My main gripe is with the harsh difficulty spike right from the get go. I was a bit confused because I tought I had to use the tileshifting more often so I got a bit stuck and low on money. But then taking my revenge on the triple knight blocking with the gold shield and creating a spike under them felt so good!
I report you a bug that is really strange and happen by clipping with the jump a bit out of the ground, it start sending the player upward and then throw it back on the same spot repeating that. With a restart I solved it.