In-game shop (Image via Roblox) 2 Player Rat Tycoon shares controls with the default Roblox keybindings, which has the benefit of making it easy for the players to grasp them.

Roblox sex games are commonly referred to on the platform as "condos". They're spaces, generated by users, where people can talk about sex - and where their avatars can have virtual sex.

Like YouTube, Roblox started as an online stage for young creators. As the company grows toward 100 million active daily users, contributors are making big money selling games.

Roblox creators are making remakes of the popular South Korean Netflix show Squid Game and are fast becoming popular.