Once i placed the big smashy thing, my money went up to: "939439822b"
and i can't place enything, or destroy... i don't think its a feture:)
anyway, its a cool game, the only thing is that the proggresion system is a bit fast, maybe nerf the upgrades:)
also its a bit hard to know what the buildings do... so maybe a tooltip that explains what the buildings do😁