Bad Business is among the millions of user-created games on Roblox, the kids’ entertainment set to go public on Wednesday after being valued at $29.5 billion in January.

Roblox has become a video game titan, in recent years dominating the world of kids’ gaming and earning $454 million in revenue last quarter alone. A new report argues that success is built on ...

Roblox’s second-biggest expense, behind developer fees, is infrastructure, privacy and safety. Those costs jumped 69 percent last year to $264.2 million.