File-type Bloons are a special type of bloons. There are many variants of them, and they are the only ones that can have the Administrator-Locked property. There are various forms of every type of bloon (they are chosen randomly when the bloon spawns) and each of the types releases appropriate Files (B forms release 1 file of the appropriate type, KB forms release 2, MB release 3, GB release 4 and TB release 5). The list of File-type Bloons is as follows: