I typically go with single player games. Niche stuff casuals rarely play. It's not a flex or anything, I just a "distinct" taste in gaming
Depending on how you gauge him, maybe you're his opportunity to discover a vast fun world of indie games? At the very least, if you're tired of him talking your ear off about Ball and Gun, you could at least talk his ear off about Expedition 33. Yapping as a defense mechanism.