Sex Education’s Asa Butterfield and Stranger Things’ Natalia Dyer have signed on for the film, which follows a group of siblings who are pulled into a kids’ game with a demonic twist.

While other plot, cast and character details are still being kept under wraps, in light of the title’s allusion to the old saying, “It’s all fun and games until someone gets hurt,” we can safely assume that in this distorted Jumanji-like tale, things are going to get dark quickly.

Best known for playing Otis Milburn and Nancy Wheeler in their respective hit shows, Butterfield and Dyer are two of Netflix’s biggest success stories, which we’re sure will make for a brilliant on-screen collaboration.

All Fun And Games: 2 Sex Education and Stranger Things stars are uniting for a warped thriller