It's a little bit more straightforward to add a player on the ROBLOX Player. At the top of the home screen, you'll see "Friends" and then a circle, that has an icon of two players, saying Add Friends.

Roblox filed to go public last week. The company revealed it now has 31.1 million daily users, up from 12.0 million in 2018, when the Ready Player One event was held.