Only using towers and upgrades with the letter F in them (Bloons TD 6)

[@scpavl993]

I like how u even got a map with f in it

[@errorsorangemilk101]

Oh F for Fu-

[@chunchunmaru6963]

this reminds me of ISAB alphabet series

[@DavidLopez-j3x]

You deserve more subs

[@sutfolsemaj]

F