Bloons Tower Defense 6 adds a ton of new features. It includes Retro Tracks, Craftable Items, and more MOABs.
All Regular BTD5, BTD5Deluxe, and BTD5IoS Towers.
Game Modes Edit
Hard(Robo/Techno Terror/Vengeful Sun God)
Impoppable(85 rounds, 1 lives, more expensive, final round has 5 ZOMGs)
Genesis of the Bloon/Surviving the Apocalypse/X's Frightening Fury(100 rounds, 1 life, with boss, like Impoppable)