function Tower:upgrade() self.level = self.level + 1 self.damage = self.damage * 1.2 self.range = self.range * 1.2 end
-- Game logic local game = {} game.enemies = {} game.towers = {} game.wave = 1 roblox toy defense script better
-- Example usage local game = setmetatable({}, game) table.insert(game.towers, Tower.new(100, 100)) function Tower:upgrade() self
-- Enemy classes local Enemy = {} Enemy.__index = Enemy roblox toy defense script better