The last way to join a specific Roblox game is if players have friends playing in that server. They are able to join any friend's game if they have the "Join In-game" setting enabled.

The Grow a Garden event with Travis Kelce is almost here. Check out the countdown timer and see what’s coming.

In short, Roblox isn't a game, but rather a metaverse platform that offers a wide range of different experiences. Collaborations with celebrities and major brands are therefore quite common.