When you sell monkeys... The cost of how much you get from selling should be one of the upgrades of the monkey. Just look at it this way, how much bloons you pop should be 1/4 of the money you get back + if you agree
(+ If this has happened to anyone who reads) Okay so your doing very well. But..... you have all your lives. But just one round the balloons over populate you fastly.
Okay, I think we should have a room like survival and deathmatch, just that its only shamans and its shaman war :D click + so developer might see this.