The Version 22.0 Title update for Bloons TD 6 has 10 achievements.
Just because a thing can be done, does not mean that it should be done
Submit a Challenge to the Challenge Browser
Use a Tier 5 Insta Monkey. NOTE: even after being used, Instas still count toward your collection!
Purchase at least 1 new Limited Time item in the Trophy Store
Host and win 10 Co-op games
Use 100 Insta Monkeys
Upgrade towers 20,000 times
Strip the fortifications from Fortified DDTs 3000 times
Spend at least 50 Trophies in the Trophy Store
Pop 1,000,000 Bloons with Dartling Gunners