More item variants would be nice, for example, a sledgehammer that swings slower, but does more damage to the wall, and a fire axe, which also swings slower, but does more damage to the towers. A heavy sniper rifle, that fires slower, but does more damage, and has slight splash, and a semi-auto rifle, which is inaccurate, weak, but fires quickly. A bucket with a hole in the front, offers less protection, but you can see out of it, and a smaller tray with a strap on it, you can equip it like the bucket, it offers less protection, but you can use items with it.