Wait A Few Seconds To End Ice Cave Games After Throwing Last Ball

I’ve tried several times in The Ice Cave to spam a few ball throws when I’m running low to try to make them bounce around violently and light up the rest of the pink tiles but after I throw the last ball the game instantly ends and it always catches me off guard.

It would be cool if ice cave games prematurely ended 5 seconds or so after throwing your last ball instead of immediately ending less than a second after you throw it, so the balls have a chance to bounce around a bit more before the game ends.