Bloons TD 6 can be played solo or with up to 3 other players.
Play co-op using different game versions
You can do private co-op matches with players who are on the latest app version of Bloons TD 6 or BTD6+ on any version.
Can I play co-op without adding other players as friends?
You don’t need to be friends to play co‑op. Just create a lobby to get a lobby code or join someone else’s lobby using their code, and you’ll be able to play together.
How to add friends
To add friends:
Tap the Play button then tap the Friends icon on the upper right.
Tap the green button and enter the other player’s friend code.
Tap the Send button.
Wait for the other player to accept the friend request.
Where can I find my friend code?
To find your friend code:
Look to the upper right of the Friends screen to see your friend code.
Share the friend code to other players to let them add you as a friend.