Here is the full list of all 125 Bloons TD 5 achievements.
Earn all 3 medals on Long Range co-op map
Earn all 3 medals on Treetop co-op map
Earn all 3 medals on Candyland co-op map
Earn all 3 medals on The Eye co-op map
Earn all 3 medals on U-Turn co-op map
Earn all 3 medals on Jungle co-op map
Earn all 3 medals on Snake River co-op map
Earn all 3 medals on South Coast co-op map
Earn all 3 medals on Lava Fields co-op map
Earn all 3 medals on Ice Flow co-op map
Earn all 3 medals on Water Hazard co-op map
Earn all 3 medals on Haunted Swamp co-op map
Earn all 3 medals on Runway co-op map
Earn all 3 medals on Down the Drain co-op map
Earn all 3 medals on Country Road co-op map
Pop 250,000 Lead bloons
Activate all upgrades for Sell Percentage
Win 250 Random Missions
Activate all upgrades for Ability Cooldowns
Complete 100 daily challenges.
Activate all upgrades for Starting Lives
Activate all upgrades for Big Bloons Sabotage
Win 200 Random Missions
Activate all upgrades for Starting Cash
Destroy 1000 ZOMGs
Complete all daily challenges in a week.
Activate all upgrades for Pierce
Activate all upgrades for Attack Speed
Earn all 3 medals on Unfair Share co-op map
Earn all 3 medals on Tar Pit map
Complete all daily challenges in one day.
Earn all 3 medals on Treetop map
Earn all 3 medals on Patch co-op map
Earn all 3 medals on The Eye map
Earn all 3 medals on Switch map
Earn all 3 medals on Phase Portals map
Earn all 3 medals on Mount Magma map
Earn all 3 medals on Lightning Scar map
Earn all 3 medals on Main Street map
Earn all 3 medals on The Great Divide map
Earn all 3 medals on Down the Drain map
Earn all 3 medals on Runway map
Earn all 3 medals on Rink Revenge co-op map
Earn all 3 medals on Scorched Earth co-op map
Earn all 3 medals on Spider Map co-op map
Earn all 3 medals on Death Valley map
Earn all 3 medals on Drag Strip map
Earn all 3 medals on Clock map
Earn all 3 medals on The Great Divide co-op map
Earn all 3 medals on Crypt Keeper co-op map
Earn all 3 medals on U-Turn map
Earn all 3 medals on Scorched Earth map
Earn all 3 medals on Challenger Deep co-op map
Earn all 3 medals on Dune Sea co-op map
Earn all 3 medals on North Pole co-op map
Earn all 3 medals on Castle co-op map
Earn all 3 medals on Cash Money co-op map
Earn all 3 medals on Long Range map
Earn all 3 medals on Z Factor co-op map
Earn all 3 medals on Bloontonium Lab map
Earn all 3 medals on Candyland map
Earn all 3 medals on Water Hazard map
Earn all 3 medals on Crypt Keeper map
Win all launch tracks on any difficulty
Earn all 3 medals on Rink Revenge map
Earn all 3 medals on Double Double Cross map
Win 100 Random Missions
Earn all 3 medals on Challenger Deep map
Get all launch Special Agents to Pro status
Earn all 3 medals on Dockside map
Demonstrate your skills by winning the Impoppable difficulty medal on 25 or more maps
Fully upgrade all launch Specialty Buildings
Earn all 3 medals on Castle map
Earn all 3 medals on Tunnels map
Win all 10 launch Special Missions
Complete the Special Agents Only Special Mission
Pop 50,000,000 bloons
Earn all 3 medals on Snake River map
Earn all 3 medals on the Workshop map
Earn all 3 medals on Alpine Lake co-op map
Win 50 Random Missions
Pop 250,000 Ceramic bloons
Earn all 3 medals on Checkers co-op map
Earn all 3 medals on Slalom map
Earn all 3 medals on Jungle map
Earn all 3 medals on Ice Flow map
Earn all 3 medals on Lava Fields map
Earn all 3 medals on Country Road map
Earn all 3 medals on Dune Sea map
Earn all 3 medals on Bloons Of Clubs map
Earn all 3 medals on Archipelago map
Earn all 3 medals on Bloon Circles map
Complete the Short-Lived Special Mission
Destroy 2000 BFBs
Earn all 3 medals on Pyramids map
Earn all 3 medals on Z Factor map
Earn all 3 medals on Space Truckin' map
Earn all 3 medals on The Rink map
Earn all 3 medals on Fireworks map
Earn all 3 medals on Roswell map
Earn all 3 medals on Park Path map
Win 10 Random Missions
Earn all 3 medals on Maze map
Earn all 3 medals on Patch map
Earn all 3 medals on Brick Wall map
Complete the Wizard Lord Special Mission
Earn all 3 medals on North Pole map
Achieve glorious victory on any map on Impoppable difficulty
Earn all 3 medals on Lobby map
Earn all 3 medals on Mountain Skull Peak map
Complete the There Can Only Be One Special Mission
Complete the Fast Upgrades Special Mission
Complete the MOAB Madness Special Mission
Complete the No Escape Special Mission
Complete the Protect Monkey Town Special Mission
Destroy 5000 MOABs
Earn all 3 medals on Checkers map
Earn all 3 medals on Express Shipping map
Complete the Covert Pops Special Mission
Complete the Full House Special Mission
Pop 250,000 Camo bloons
Earn all 3 medals on Monkey Lane map
Collect 50 Tokens
Earn all 3 medals on 3 Times Around map
Complete any track in reverse