"To level the game" means to make a situation or competition fair or equal again, usually after one side has gained an advantage over the other. Full definition
The only question is his legs may not able to carry him much longer or he may not able to maintain at top level game after game since his age is catching up. (sbnation.com)
We don't need any more players who are getting injured because they play to much top level games at a young age. (justarsenal.com)
Each child will take home a gift bag that includes a grade - level game for fun summer learning. (gardnerpilotacademy.org)