This is Monkey Meadow. Get yourself a 5-x-x Druid in sandbox mode, and then sell it. It will leave its cloud behind. Enjoy - r/btd6
Here are some ideas to improve the sandbox mode. Sorry for the bad editing. : r/btd6
Someone told me that the positions of Leads and Zebras swap on Sandbox Mode when you turn on the Fortified setting - r/btd6
Sandbox Mode | Bloons Wiki | Fandom
Bloons TD 6 - Update 27.0 is rolling out across iOS, Android and Steam with Paragons, Boss Bloons, co-op re-joining and a whole lot more! See our YouTube for more info here:
New Update with Sandbox Mode : r/BloonsTDBattles
btd6 - running out of lives on sandbox mode - YouTube