In Bloons TD6, the "All for One and One for One" achievement can be obtained by winning a game with only 1 monkey tower on screen at any one time in any Hard Difficulty game. Its reward is 1 Monkey Knowledge.
In this guide, you will only need two monkeys.
First, a 0-4-2 Monkey Buccaneer:
(You need to unlock at least Monkey Pirates in the middle path and at least Crow's Nest in the bottom path.)
Next, you need a 0-2-4 Monkey Ace.
(You need to unlock at least Spy Plane in the middle path and at least Spectre in the bottom path.)
If you have these two monkeys with the required upgrades, you are set to go!
Next, select the hard difficulty of Logs which is a beginner map. (Make sure to select hard difficulty after picking the map!)
Start off with a Monkey Buccaneer in the middle of the map.
Upgrade the Monkey Buccaneer to 0-4-2 whenever possible.
(Tier 4 in the middle path, and Tier 2 in the bottom path.)
You can run the game at double speed and AFK.
Eventually, you should have fully upgraded the Monkey Buccaneer to 0-4-2 like this in about Round 32:
Now, you can continue AFKing until Round 50. You can even use the Monkey Buccaneer's ability in the bottom left of the screen to take out the MOAB in Round 40.
At round 50, sell the Monkey Buccaneer. (You can turn off Auto Start before this if you want to.)
Immediately buy a Monkey Ace, and place it below the water and upgrade it to 0-2-4 as shown:
You should have enough money, and make sure to SELL the Buccaneer first before BUYING the Monkey Ace. Now, sit back and enjoy as the Monkey Ace obliterates all the upcoming bloons! :)
When the game ends, you should receive your achievement and the reward of 1 Monkey Knowledge!
More Bloons TD 6 guilds
- All Guilds
- Cubism Full Guide
- C.H.I.M.P - Final del camino
- How to make ur monkey work for u (legally)
- epic btd6 guide so epic you will die from how epic it is
- All in one guide (strategies/chimps/hard odysseys/races)
- Monkey Meadows half-cash hard
- how to play on a bloons td 6 map
- How to breath
- How to Make Big Money 101: The Benjamin Strategy
- Meadows - BLACK BORDER *No Knowledge Needed* (Double HP, Half Cash, Impopppable, CHIMPS)