What is game testing? Game testing is the process of finding and fixing bugs in video games. It is a critical part of the game development process, as it helps to ensure that games are released in a playable and bug-free state. 2. Who are game testers? Game testers are people who play video games and look for bugs. They may be employed by game studios or they may be independent contractors. Game testers typically have a passion for gaming and they are good at finding and describing bugs.