Chinese game companies may be forced to sell off their overseas holdings in U.S. game companies. That could cause an earthquake in gaming.

Niantic Inc., the company behind the 2016 hit Pokémon Go, is in talks to sell its video-game business to Saudi Arabia-owned Scopely Inc., according to several people familiar with the discussions.

Video game software developer Unity Software (U) is set to report its fourth-quarter earnings results on February 20 before ...