"To improve the game" means to make changes or take actions that enhance the overall experience, quality, or fairness of playing a particular game or sport. Full definition
I recommend this five - exercise workout to help improve your game in record time. (mindbodygreen.com)
We've continued adding new features and content with the help of our wonderful community, so thanks again to all of you for helping improve the game. (blog.us.playstation.com)
Seems this young kid is really improving game by game. (arsenalfcblog.com)