There's quite a bit of potential here!
Art worked well. It was easy to distinguish between enemies, and the simple visual cues were effective in teaching the player the rules without words.
Sound was serviceable, though the game would have benefited from a catchy tune playing in the background.
The gameplay was solid, with the combined action/puzzle elements working well together. The learning curve was well paced, and even the challenging levels never felt reliant on cheap tricks, creating a fun experience. If you were to make a sequel (which I'd love to play!), you could try adding new enemies, environmental hazards, and map layouts to make some real fun, head-scratching action.
Overall, it's a solid proof-of-concept that was well executed. Hopefully you'll overcome the burnout and make it into something great!