Will iPhone 17 cases fit the iPhone 16?

No

Jaceowens wrote:

I ment 16 pro

Answer is still no. the iPhone 16 and iPhone 27 are entirely different in regards to there outer casing and structure.

There is no way a case for one will fit the other.

Jaceowens wrote:

Is iPhone 17 cases fitting iPhone 16

Not at all. What does this have to do with your original question about playing games on an iPhone 5c?