Thread:Spike144/@comment-37626019-20190610023122/@comment-25404524-20190610082944

Assuming that this refers to unlocking the aforementioned upgrades on BTD5 Flash, no it is unfortunately not possible to unlock them. On BTD5 Flash, not all of the towers are available to unlock because these towers have not been made for BTD5 Flash and will likely not be added in the future.