Game Grind 

The agonizing two weeks before a new game comes out when every other game you own feels inadequate.

Dude, Skyrim comes out in just over a week!

I know, I've got a serious case of Game Grind.

Game Grind by Unholyhair November 4, 2011

game-of-grind 

a game that's your favorite/good/fun game that you always play.

minecraft bedwars is my game-of-grind.

game-of-grind by foxyflydudd March 11, 2023

Grinding A Game 

The term grinding a game means to play a game by yourself to make coins/cash etc.

Person.1 Jesus someone has been grinding a game.

Person.2 No I have just been playing.
Person.3 You have just been doing challenges by yourself, therefore, you have been grinding this Game.
Person.1 Yeah and you can be bothered to get on every day even for 30 seconds to do challenges.

Grinding A Game by Mike presely June 5, 2020

gamegrieder 

the worst youtuber in the history of youtube... watch him, and all of your brain cells will magically disappear. for real. try it. actually dont, you'll be a vegetable.

GameGrieder? Oh yeah. That guy killed me. Ignore the fact that I'm still alive and talking to you right now.

gamegrieder by GameGrieder August 19, 2018