Success! You've reached the Max level. Leaving everybody else eat your dust.
Hard effort! You've reached level 20, keep doing what you're doing to get to the Max.
Getting warmed up, huh? You've reached level 15 - this seems promising!
You're officially DONE with completing 10 full Mastery levels. You've earned a break! Consider writing a tutorial from what you've learned.
You've completed 5 full Mastery levels! Why not show off a bit sharing on social?
Now you know the taste of 2 advanced Mastery levels. Hungry for more?
Welcome on board! You've fully set up your account.
Human from Humanity. Computing on computers, working on work.