I hacked into ninja kiwi HQ and saw BTD5 designs for Druid and alcamist, Quincy and pat fusty. Not really I just saw it on cursed images of BTD6. Also release switch
I got BTD6 on Nintendo Switch! : r/btd6
Bloons TD 5 | Game Data | Newzoo Platform
Ninja Kiwi - We know you're all super excited about Bloons TD 6 (we are, too!). However, we've not forgotten about our old friend, Bloons TD 5, which is now available worldwide
Bloons TD 5 for Nintendo Switch - Nintendo Official Site
Bloons TD 5 - Apps on Google Play
Bloons TD 5 - Metacritic
If Ninja Kiwi can port BTD5 to the Switch, then they can do it for BTD6 too. : r/btd6