if you mean the camo bloons, road spikes or any detecting tower[crow's nest, sonar beacon, spy plane etc.]
no
Yes there are going to be a Bloons Tower Defence 4, And a 5 too, I have seen that on google that they said Bloons tower Defence 5 is soon cooming to NinjaKiwi.com !!
Bloons tower defence games or gemcraft games
bloons tower defence 4
No
Yup, it out now.
it already came out:)
There are no cheats
NinjaKiwi
yes
it is out