Steam is an online gaming behemoth to the point where if you want to be a PC Gamer, you have no other choice but to use it. It allows you to create your own groups to help network with your friends better. There exists several groups dedicated to vanilla Blockland. Take your pick:
RTB Veterans Edit
A group of members from RTB use the program called "Steam", an online gamestore.
Grims made the group in February 10.
Blockland v. 0002 Edit
RTB 1.045 Edit
A steam group dedicated simply for RTB 1.045.
AndoRTB Community Group Edit
Grims (Known as Gen. Adam on Steam)
Glok / Sky
Hevan (Known as Dr. Hevan on steam)
Ilari92 aka Majukku
Kyttike / Chnef