Planet Minecraft

I don't care what levels, but you need to include slime. I love slimes. they're the cutest monsters ever!

ikr.

Level 25: Bacon

Level 10: Challenge Maker
Level 20: Adventure Idealist
Level 30: Quest Forger
Level 40: Master of Myths
Level 50: Lord of Legends
Level 60: Adventure Map God

Since I make adventure maps thought this would fit.

[KnobleKnives]

Level 5: Drifter
Level 10: Survivalist
Level 20: Lunatic
Level 30: Bishop
Level 40: X-man
Level 50: Powerhouse
Level 60: Creeper Pwner

This is probably stretching it a little, but I think a cool feature would be to have qualifiers along with titles. First would come the rank (new, expert, grandmaster) then would come the qualifier, and the title. Different adjectives and descriptive terms could be used to further customize yourself. For example:

Apprentice Redstone Engineer
Journeyman Chocolate Cake
Artisan Radioactive Blob
Master Sky Pirate

Me Gusta.

Spoiler

Level 80 : Creeper Rider
Level 5 : Cow Slayer
Level 40: Valley Creator

_____________________________________________________________________

Level 10 : Pig Knight
Level 90 : Notch
Level 35 : Anarchist

[Vrej]

Level 60 somethin' (whatever level I'm at): Cartographer

This is brilliant, I'm surprised it hasn't been implemented yet.

[Dinosawr]

Level 1: Supreme Photoshopper
Level 20: ~
Level 10: <33333333333

;D

[Vrej]

Level 55 : Hexidecimator

I'm beggin' you, Cyp.

Level 24: Altair
Level 38: Necromancer, Sensei, Michael Jackson

Level 16: Vampire Slayer. Hell yes.