The worlds of Roblox and LOL Surprise are coming together for what's been described as a "kid-safe digital game", and this is certainly a crossover that will appeal to a lot of young people.

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 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.

A BBC investigation has found virtual sex parties are taking place in a popular online children’s game.