It's really cool that you found a way to use Lua for this, I wasn't aware of the BPCore-Engine before this entry came in. Enjoyed it a lot! My highest score so far is 462 :)
Viewing post in MeteoRain (GBA Jam 2021) jam comments
Woaw, 462 points is an incredible highscore!
Are you some kind of Jedi who can see the near future? ;)
More seriously, congratulations, I'm not sure wether anyone will be able to top 462 points!
And BPCore-Engine is a really great engine (its author Evan Bowman also submitted the game Skylands for this jam, a very impressive entry), I honestly think this is the most "newcomers friendly" way to make GBA games. It's also very fast to compile new roms so it's a breeze to make fine tuning on the gameplay.