What does RTB Stand for?

[nixton]

here goes another "What does AOT Mean???"...

Attack on Titan

[Ad Bot]

[firestorm]

And here we go.

[Bomb Kirby]

Rock the block

[Scriode]

Return to Blockland. It was an add-on that featured a friends list, mod manager, among other things.
It's been abandoned and is no longer fully functional.

Actually, first Return to Blockland back in v0002 was originally this. http://blockland.dataorb.net/old.php