This article is of something that's FANMADE, and users own it instead of NinjaKiwi.
BTD6: ROTS Expansion (aka BTD6E, BTD6 Expansion, or BTD6: ROTSE) is a purchaseable pack for BTD6. It costs 200 NK coins, or $20.
- Intermediate: Extreme 6, Temple Interior
- Advanced: Pipe Works, Laser Vision
- Expert: Pyramid Climb
- Extreme: Rainbow
- Insane (exclusive): Robo Factory, Portals, Hypno Puzzle
- Bubble Gum Blower
- Monkey Mech
Obsidian Bloon (RBE: 258) Takes 50 hits to kill, spawns 2 ceramics.
Demon Blimp: (RBE: 1332) Blue Bloon speed, 300 hits, spawns 4 obsidians.
What!? New Expansion for BTD6?? For $20/200 NK Coins, purchase this expansion with new tracks, a new difficulty (Insane), new towers, agents, and missions. AND 2 NEW BLOONS!