Roblox has broken the record for the most concurrent users on a platform. And it’s all thanks to two huge games.

A new Roblox game heavily inspired by Peak, the hot new social game on Steam, has ruffled the feathers of both developers and players alike.

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.