Recommendations for local co-op games or hidden gems?

So, I have a 12 year old and an 8 year old and we've had a lot of fun lately playing things like Battleblock Theater, Broforce, Gang Beasts, Overcooked and Enter the Gungeon. Right before this sale is about to start up, I was wondering if anyone knows of any other really good local co-op games that I haven't found yet that would be fun for me and the kids!