Congratulations on building your own game engine, that is remarkable, and if you keep using it in more game jams, it will slowly and surely become a stable, roadtested engine (unlike some, not naming names).
However, I am rating this end product, and I didn't really understand what was going on and there were seemingly no panels to provide any information (although there were certainly plenty of panels). The game didn't seem to progress after 'wave 2', which may or may not be correct terminology lol.
Do keep developing the engine though and do keep making games out of it. Best of luck!