In terms of the functionality and variety of tournaments, I think PokerStars is in first place, if you take cash games, then for the last 2 yearsGG managed to overtake the stars.There's more games and more online
I consider GGPoker the best room because it offers promotions for deposits and also for the implementation of cryptos at the time of depositing and withdrawing, the worst in my country I can consider 888Poker because we do not have methods to deposit and withdraw
The biggest guaranteed tournaments are probably on the PS, but I don’t know if that would be the best room because I haven’t played anywhere else in a long time.