Thanks for playing!
Funfact: the fireball has 0 splash at the moment lol. Its gonna change of course, otherwise its only advantage to arrows is a slightly faster firing animation.
AI, enemy placement and so on are also gonna change. The AI is very bare bones anyway, they just follow you and attack, thats it. Real goblins panic when some of them die. Spawning in squares was just the first step to spawn more than 1 on a tile. Easy to implement if you know the dimensions of a tile and the enemies. Making it look natural by displacing them will take some more work than that (but has to happen eventually).
The freezes will be resolved until next DD hopefully. The main culprit seems to be a default shader loading issue with Godot. Happens in other submissions too interestingly.