to make an effort to improve the way that you play a game.
They're going to have to raise their game if they want to stay in the Premier Division this season.
(redirected from raise game)
raise (one's) game
To increase one's effort or improve one's performance. You can tell that they have really raised their game coming into this championship match.So far he has just looked sloppy, so he'll have to raise his game if he wants to have a shot at winning this tournament.