Yeah probably a scam, there's a similar one where people add you on steam and then say the same shit
Then you gotta login to "steam" through a site where they get your password
It might be a scam, don't join.
yeah im higher lvl than you but like an month ago somebody sent me a friend request and i accepted because i remembered i played with him but i remembered wrong.. he asked can i come to play some tournament with them, i just told that you dont want to lose the tournament and removed him. weird af