Maps
A beloved Beginner map popular for freeplay runs, due to its extremely long grid-shaped track.
What is Logs?
This ability buffs the four closest towers to the hero, but makes them stop attacking for two seconds afterward.
What is Biohack?
This round marks the first appearance of Blue bloons, with 5 of them being sent.
What is Round 3?
The only primary tower that can pop Lead bloons without upgrades.
What is Bomb Shooter?
This fan-favorite tower is notorious for not being added in BTD6, with a broken version of it included in Scrapyard as a nod to its reputation.
What is Bloonchipper?
Has a hashtag symbol in its name; an apt visualization.
What is #Ouch?
An often overlooked part of this money-making ability: it gives more cash for each Banana Farm in the tower's radius.
What is Jungle's Bounty?
Round 90 introduces this feared MOAB type.
What are DDTs?
The cheapest paragon in the game.
What is Apex Plasma Master?
A round so infamous that the in-game hint reads, "If you played BTD5 you'll remember what [this] was like."
What is Round 63?
When players conquered this difficult four-path map, Ninja Kiwi released a version with five paths.
What is Muddy Puddles?
There are three abilities that transform nearby towers into something else, but this is the only one not limited to Dart Monkeys.
What is Total Transformation?
The first and only time you'll see unfortified Camo Lead bloons.
What is Round 59?
Although the tower it's for cannot hit Camo bloons, the constant circling attack provided by this Tier 5 upgrade can.
What is Glaive Lord?
The last BTD5 tower to be added to BTD6, made unlockable by accumulating 3 million pops.
What is Dartling Gunner?
An easter egg that involves placing certain tower types on marked graves was discovered on this map three years after its release.
What is Encrypted?
Not just the only upgrade that provides an ability not on a middle path, but one of only two that provides it at Tier 3.
What is Dark Knight?
The highest RBE round before freeplay with 30 Fortified BFBs and 8 ZOMGs.
What is Round 98?
The most expensive upgrade for a primary tower, costing $55,000 on Medium.
What is Bloon Crush?
This Extreme BTD5 map was reworked into a Beginner map in BTD6, but the original layout can still be activated by clicking on loose rocks.
What is Tar Pits?
This hidden Expert map is only accessible in custom challenges and has the shortest track length in the game.
What is Blons?
By the time you finish this upgrade path, you'll have three different abilities from it - four, with a Monkey Knowledge.
What is middle path Heli Pilot?
On Round 81, this bloon type secretly gets replaced with a buffed version, commonly dubbed as "Super."
What are Ceramic bloons?
The base form of this tower is capped at 1 pierce, but one of the Tier 5 upgrades gives it infinite pierce.
What is Desperado?
This map was created by mashing up two similar medieval maps from BTD5 and Bloons TD Battles, with a bit of Studio Ghibli flair.
What is Castle Revenge?