This applies to every every Texas Hold'em and Omaha game. Players are only given a number from 1-9 and can never be tracked across tables. While some poker sites have pussyfooted around with anonymous tables, Ignition applies them across every cash game, Zone (fast-fold) game, Sit and Go (including Heads-up), and tournament.
The result? They’re still one of the loosest poker sites online, open to US players, and have grown exponentially since introducing anonymous tables. It was a brilliant idea that the rest of the industry is starting to catch up with. I thought something along the lines of “What is the point of a gimmick like that?” Yes, I was still fairly naïve about the effect of HUDs in online poker.
I believe they were the first to introduce them. I remember being mildly amused and somewhat annoyed when Bovada (the ancestor of Ignition Poker) announced that they would be making their entire poker software anonymous back in 2011. They've been rendering HUDs useless for years.