Just discovered Roll20 by seeing it on YouTube.
Started on 'The Red Box' many yrs ago. Haven't played in yrs.
Have played: DnD (1e,2e,3e,3.5e,+4e), EarthDawn, Gurps (Rifts, etc..), StarWars (1e), MunchKin, MechWarrior+Battletech, Settlers of Catan, WhiteWolf (Vampire+Werewolf) ShadowRun (1e), and quite a few more...
Notes:
- I joined one Catan page for a few minutes to see what it was like and jumped from Group Gatherer(5) to Representative(100). Hadn't expected that....Interesting....
- Most of my hours on Roll20 have been playing around in a sandbox learning all of the controls. Might have to upgrade to get the use of the 'Vault' though.