What games will you play to the end of time?

For me it's the Skate series and GRiD.

The Skate series is just so much fun to pick up and play. Want to skate a bowl? There's dozens of them placed about. Want to skate street? Travel the city hitting every line you can. Want to do something utterly ridiculous and impossible? The Megapark baby. Bored of just skating? Find a big drop and try to beat your Hall of Meat score. Not to mention there was never a disappointing DLC in the series. In my opinion It's one of the best things EA has done. I just wish they would try to make a Skate like game for other action sports.

GRiD is just a great racing game. Winning the Rolex 24 hour was probably the best feeling I've ever gotten from a video game.