Just to add to what LAbaddon wrote Tormenta20 is one of the most recognised and popular tabletop RPG in Brazil and recently collected about $500.000 pledged by 5600 backers.
Tormenta20 is the latest edition of a medieval fantasy game based on the d20 system that was created almost 25 years ago.
I guess you're asking about Brazil but if you don't mind the aside in Portugal the only Portuguese language tabletop RPG product released in a traditional way was the D&D Basic (Mentzer) in 1989.
We didn't have any other RPG product published like that since then but we are really small market...
It was in Brazilian Portuguese. There hasn't been an European Portuguese translation since SocTip released the Dungeons & Dragons Basic (Mentzer) in Portugal in 1989.
The rewrite isn't actually mine but it was in fact supplied by a fellow rpg fan and I thought it was interesting enough to share here.
Personally I think that introducing people to RPGs through D&D mainly leads them to keep on playing Dungeons & Dragons while just a residual part of them will...