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This article is about the three (four on mobile, many on BTD6) game modes. It is not to be confused with Track Difficulty.

Difficulty is what determines how hard or challenging a Bloons Tower Defense Game is. Difficulties were introduced in BTD2 and have been in every BTD game since. There are 3 main difficulties: Easy, Medium, and Hard, along with other special modes debuting in the later BTD games - namely Impoppable.

Bloons Tower Defense 1Edit

  • No visible difficulty variations - 1 track, 1 difficulty. Finish on round 50.

Bloons Tower Defense 2Edit

  • 1 track per difficulty. Finish on round 50.

Bloons Tower Defense 3Edit

  • Pick a track, then pick a difficulty

Bloons Tower Defense 4Edit

  • Pick a track, then pick a difficulty
  • BTD4 is where they added Track Difficulty, categorized by how hard the actual track is. This is shown in the select a track page.
  • Easy has towers and upgrades cost at 85% of Medium prices, 200 lives and 50 rounds.
  • Medium Difficulty has towers and upgrades cost the normal amount, 150 lives and 60 rounds.
  • Hard Difficulty has towers and upgrades cost at 108% of Medium's prices, 100 lives and 75 rounds.
  • Each difficulty also applies to Bloons Tower Defense 4 Expansion.

Bloons Tower Defense 4 ExpansionEdit

Bloons Tower Defense 5Edit

  • Same as BTD4 - pick a track, then pick a difficulty - but there are also slight bloon speed alterations.
    • Bloons move slower on Easy mode, move at normal speed on Medium mode, and move faster on Hard mode.
  • Hard Difficulty has ten more rounds to pass than BTD4, (total 85), while Medium Difficulty has 5 more rounds to pass (total 65).

Bloons Tower Defense 5 MobileEdit

  • Easy, Medium and Hard Difficulties are the same as BTD5.
    • Impoppable Difficulty is introduced here, where you have only one life (life-gaining abilities and premiums are disabled), and the towers as well as their upgrades cost 20% more than medium (10% more than on Hard).
      Screen Shot 2014-05-12 at 8.45.02 PM

      All difficulties completed on The Rink in Bloons Tower Defense 5 Mobile

Bloons Monkey City and BMC MobileEdit

The difficulties for this game are Trivial, Easy, Medium, Hard, Very Hard, and Impoppable. Unlike the BTD games, the player cannot select a difficulty. Instead, each tile is assigned a difficulty. The difficulty decreases as the player progresses, for example, when the player starts Pink Bloon tiles may be Impoppable, but later, the player may see a trivial MOAB tile or a easy BFB tile.

Bloons Tower Defense 6Edit

  • There are three modes in BTD6 - Easy, Medium, and Hard. All difficulties have their own variations with additional changes.
  • Easy Mode: Tower costs 85% of Normal.
    • Standard: Same as BTD5's Easy mode, however you only need to survive up to Round 40.
    • [Top Path #1] Primary Monkeys Only: Exact same as Easy - Standard, but you can only use Primary Monkeys.
    • [Top Path #2] Deflation: See Deflation Mode.
    • [Bottom Path #1] Sandbox: See Sandbox Mode. Plays Sandbox mode with Easy mode bloon speeds and tower costs.
  • Medium Mode: Towers Cost 100% of Normal.
    • Standard: Same as BTD5's Medium mode, however you only need to survive up to Round 60.
    • [Top Path #1] Military Monkeys Only: Exact same as Medium - Standard, but you can only use Military Monkeys.
    • [Top Path #2] Apopalypse: See Apopalypse Mode.
    • [Bottom Path #1] Reverse: See Reverse Mode. Bloons spawn from the exit and leave from the entrance.
    • [Bottom Path #2] Sandbox: See Sandbox Mode. Plays Sandbox mode with Medium mode bloon speeds and tower costs.
  • Hard Mode: Towers Cost 108% of Normal (120% for Impoppable).
    • Standard: Same as BTD5's Hard mode, however you only need to survive up to Round 80. However, the player starts at Round 3.
    • [Top Path #1] Magic Monkeys Only: Exact same as Hard - Standard, but you can only use Magic Monkeys.
    • [Top Path #2] Half Starting Cash: Exact same as Hard - Standard, but you start the game with half the cash, making the early rounds more difficult.
    • [Top Path #3] Double Health MOABs: All MOAB-Class Bloons have their health doubled. The later rounds become exceptonally difficult due to this.
    • [Bottom Path #1] Alternate Bloon Rounds: Some bloons are replaced with harder variants in this mode.
    • [Bottom Path #2] Impoppable: See Impoppable Difficulty. Same as BTD5 Mobile's Impoppable mode, except there aren't extra ZOMGs on Round 85 or 80. You need to survive until Round 100 in this mode, forcing you to fight the B.A.D. Bloon to win. Beating Impoppable awards the hidden Impoppable badge.
    • [Bottom Path #3] CHIMPS: (No Continues, Hearts lost, Income, Monkey knowledge, Powers, or Selling.) "The ultimate test of a BTD Master," as the game itself says. You will need to survive until Round 100 with Impoppable rules and without receiving outside help, besides your towers and hero. On top of that, you don't gaining extra money by beating rounds, banana farms and other sources of gaining money don't work, you can't sell your towers, and your progress is permanently lost after letting even one bloon leak through.
    • [Left Path #1] Sandbox: See Sandbox Mode. Plays Sandbox mode with Hard mode bloon speeds and tower costs.

TriviaEdit

  • It takes 42 seconds for a Red Bloon to go past the exit of Monkey Lane on Easy, 40 seconds on Medium and 38 seconds on Hard.
  • It is currently not possible to play Sandbox Mode in Impoppable Mode in BTD6.

Start a Discussion Discussions about Difficulty

  • About Trivial Difficulty: Question

    7 messages
    • DendLastiCedian wrote:Why color of Trivial difficulty is green instead of grey? Maybe, light green may be a degrade of the green color, mean...
    • Yes. Green -> light green (Easy -> trivial)
  • What's happened to the My Tracks difficulties?

    9 messages
    • BestBtd4Player wrote:BLOONINCINERATOR3000 wrote:Totem Pole Impoppable at level 28: 780 cash reward. Try that on Triple MOAB. Guess what come ...
    • Also, the cash reward (with logistical boots) is $990. I am level 33 (now). I could probably beat such a tile on Flower, but the cash reward ...