What’s a video game for?

If the game is single-player, the object is to master all the levels until you have reached the goal, right? Of course, each level is supposed to be fun to play, but you finish them and press on.

But suppose you really like the game at one level, or in one section of Myst.

Both sons like particular regions of Myst-land, and youngest son likes to replay one level in a game he mastered long ago, because he enjoys the scenery and the particular challenges in that section. Is that a little like re-reading a favorite book? A very short book . . .