I've kinda been under a rock when it comes to online kids games especially when they were booming in popularity and by the time I would've been able to sign up and play a majority of these games were discontinued officially. The most online kids games I've played so far before my exposure to toontown fanservers was Binweevils rewritten once as a joke and Animal Jam classic soley just to play with friends and play two minigames to stim. This changed however upon my exposure to Corporate Clash.
I've already known of toontown online's existence and nonethless toontown rewritten's but I never really looked more into it as it didn't interest me at the time, however funnily enough a majority of my early and closest exposure to not only TTO, TTR and even early TTCC was through the youtuber Quackity and his old content playing dumb kids games. I think it even got to the point where I tried searching where to play TTO only to give up cause either 1. I didn't know how to make a game account (dumbass) and 2. My shitty potato computer couldn't handle it at the time.
This of course changed around early to mid of 2023 where I started seeing content of the 1.3 update managers and grew interested through my soft spot for cool looking robots, I even discovered I had actually made my TTCC account way back in april of 2023 only to get past the tutorial and stop playing till october of 2023 due to picked up interest through friends.
As of writing this recently, I have actually also created a toontown rewritten account and am still in the beginning of the TTC taskline. I have also finished the main taskline/storyline for TTCC and am slowly working towards the kudos bosses with a friend I've been playing the game with since the beginning!