How big can my game's resolution be? Jill S. August 24, 2015 20:45 The game can be up to 800 pixels wide. Related articles What is the maximum game size I can upload? How would you guys feel if I ran a few bots for my games? More cash for everyone, right? What format of games can I upload? Getting paid iFrame - Secure Calls Required Comments 0 comments Article is closed for comments.