Expert

Expert is a level of map difficulty introduced in Flash version of Bloons TD 4, where it is the highest difficulty of maps. While it is not the highest difficulty for maps in the mobile version of Bloons TD 4 and all versions of Bloons TD 5, as Extreme are above Expert, it is the highest difficulty for maps in Bloons TD 6.

Mechanics

In BTD6, Heroes, Towers, and the player earn 30% more XP compared to in Beginner maps.

List of Expert maps

Bloons TD 5 (Flash)

Bloons TD 5 Deluxe

Bloons TD 5 (mobile) / Bloons TD 5 (console)

Bloons TD 6

Tracks in Bloons TD 5 (Flash)

Beginner	Monkey Lane • Park Path • The Rink • Space Truckin' • Brick Wall • Z Factor • Fireworks • Pumpkin Patch • Maze • North Pole • 3 Times Around • Lobby • Skull Peak • Express Shipping • Sprint Track • Hill Giant • Snowy Backyard • Rabbit Holes • Present Delivery • Blooms • Alpine Lake*
Intermediate	Hearthside • Snake River • Bloon Circles • Archipelago • Dockside • Slalom • Jungle • Country Road • Ice Flow • Lava Fields • Water Hazard • Pyramids • MOAB Desert • Snowflake • River Rapids • Six Feet • Trick Or Treat • Haunted Swamp*
Advanced	Mount Magma • Switch • Lightning Scar • Downstream • The Eye • The Great Divide • Scorched Earth • Rink Revenge • Dune Sea • Crypt Keeper • Candyland • Battle Knot • Cash Money*
Expert	Clock • Castle • Death Valley • Drag Strip • Tunnels • Tree Tops • Runway • Down The Drain • Spooky Castle • Dark Forest • Spider Map*
Extreme	Bloontonium Lab • Main Street • Tar Pits

Tracks in Bloons TD 5 (multiplatform)

Beginner	Monkey Lane • River Logging • Mosaic • Alpine Lake • Bobsleigh Run • Dance Floor • Nazca Lines • Toyland • Daffodils • Parking Lot • Snowman • Oasis • Bloom • Present Delivery • Rabbit Holes • Snowy Backyard • Sprint Track • Express Shipping • Checkers • Skull Peak • Lobby • 3 Times Around • North Pole • Patch • Maze • Fireworks • Brick Wall • Z Factor • Park Path • The Rink • Roswell • Space Truckin
Intermediate	Sandstorm • Dark Dungeon • Fast Track • Over-Throne • Lonely Heart • Autumn Leaves • Forgotten Garden • Head in the Clouds • Flooded Lane • Walk in the Park • Ancient Tomb • Hearthside • Six Feet • River Rapids • Wattle Trees • Pyramids • Dune Sea • Lava Fields • Ice Flow • Country Road • Jungle • Workshop • Bloon of Clubs • Archipelago • Bloon Circles • Slalom • Snake River • Dockside • Village Shore • Trick or Treat • Haunted Swamp* • South Coast*
Advanced	Cash Money • Egg Hunt • Day of the Undead • Land's End • Tidal Pools • Bigfoot • Igloos • Battle Knot • Candyland • Crypt Keeper • Long Range • Water Hazard • Rink Revenge • Challenger Deep • Scorched Earth • U-Turn • The Great Divide • The Eye • Phase Portals • Lightning Scar • Switch • Mount Magma • Siege • Unfair Share*
Expert	Tributaries • Double Double Cross • Tunnels • Castle • Clock • Drag Strip • Death Valley • Treetop • Runway • Down the Drain • Benguela • Web • Forest Path • Spider Map*
Extreme	Campfire • Toxic Waste • Tar Pits • Main Street • Bloontonium Lab

*Exclusive to Co-op mode

Tracks in Bloons TD 5 (console)

Beginner	Monkey Lane • Rabbit Holes • Snowy Backyard • Sprint Track • Express Shipping • Checkers • Skull Peak • Lobby • 3 Times Around • North Pole • Patch • Maze • Fireworks • Brick Wall • Z Factor • Park Path • The Rink • Roswell • Space Truckin
Intermediate	Six Feet • River Rapids • Wattle Trees • Pyramids • Dune Sea • Lava Fields • Ice Flow • Country Road • Jungle • Workshop • Bloon of Clubs • Archipelago • Bloon Circles • Slalom • Snake River • Dockside
Advanced	Battle Knot • Candyland • Crypt Keeper • Long Range • Water Hazard • Rink Revenge • Challenger Deep • Scorched Earth • U-Turn • The Great Divide • The Eye • Phase Portals • Lightning Scar • Switch • Mount Magma
Expert	Double Double Cross • Tunnels • Castle • Clock • Drag Strip • Death Valley • Treetop • Runway • Down the Drain • Benguela
Extreme	Tar Pits • Main Street • Bloontonium Lab

Maps in Bloons TD 6

Beginner	Monkey Meadow • In The Loop • Skull Tweak • Three Mines 'Round • Spa Pits • Tinkerton • Tree Stump • Town Center • Middle of the Road • One Two Tree • Scrapyard • The Cabin • Resort • Skates • Lotus Island • Candy Falls • Winter Park • Carved • Park Path • Alpine Run • Frozen Over • Cubism • Four Circles • Hedge • End Of The Road • Logs
Intermediate	Lost Crevasse • Luminous Cove • Ancient Portal • Sulfur Springs • Water Park • Polyphemus • Covered Garden • Quarry • Quiet Street • Bloonarius Prime • Balance • Encrypted • Bazaar • Adora's Temple • Spring Spring • KartsNDarts • Moon Landing • Haunted • Downstream • Firing Range • Cracked • Streambed • Chutes • Rake • Spice Islands • Protect The Yacht*
Advanced	Mushroom Grotto • Party Parade • Sunset Gulch • Enchanted Glade • Last Resort • Castle Revenge • Dark Path • Erosion • Midnight Mansion • Sunken Columns • X Factor • Mesa • Geared • Spillway • Cargo • Pat's Pond • Peninsula • High Finance • Another Brick • Off The Coast • Cornfield • Underground
Expert	Tricky Tracks • Glacial Trail • Dark Dungeons • Sanctuary • Ravine • Flooded Valley • Infernal • Bloody Puddles • Workshop • Quad • Dark Castle • Muddy Puddles • #Ouch • Blons*

* Not playable in standard solo or Co-op play