A measurement of the variety of tests, challenges or solution types in a game. Games are said to have many dimensions if they require more than one type of skill to complete. This can manifest as many different tests that all have their own skill sets, or one test that can be approached many ways.

“Beyond the obvious narrative benefits, The Witcher 3 broadens its mechanical dimensions by offering the player solutions in the form of combat, dialogue choices, and even the selection of appropriate passive skills.”