I was honestly incredibly pleasantly surprised playing through this, it didn't feel so much like a "retro" game and more like it was made in the current day with a retro style.

The difficulty was incredibly fair, the controls were rock solid, the pixel art was REALLY good for the gameboy, the music is some of the best I've heard from the system... I just had a really good time with it!

My main complaint with it is the final boss being way too hard, and the checkpoint for dying to him not being on the boss itself, but otherwise... pretty good!