What game is shadow in?

Please provide more context! "Shadow" could refer to many things.

For example:

* A character: Do you mean a specific video game character named Shadow, like Shadow the Hedgehog from the Sonic series?

* A game mechanic: Do you mean a feature in a game like "shadow play" or "shadow mode"?

* A game genre: Do you mean games with a "shadow" theme or atmosphere?

Tell me more about what you're looking for, and I can help you find the game you're thinking of!