Challenges and tasks for game testers. A game tester is someone who works for game companies to thoroughly test video games before the final version is released to the public. Games testers receive a version of a game that is close to its final stages. They must play the game a number of times, from start to finish, in order to uncover bugs or glitches within the game. Find out how users react to your game. Gauging overall game difficulty/challenge. Design needs testing! Google developers group Tarragona. November 2018 #GameJamWTM18 #GDGTarragona #talentEADT