Before Your Eyes

The recently deceased Benjamin Brynn is on his way to the afterlife. The player must interact with Brynn's memories through an eye-tracking webcam to progress, as the game reads and responds to the player's eye movement and blinking - from Wikipedia

It tries to emulate life flashing by your eyes as you are dying. I haven't gotten around to play it but, the concept is cool nonetheless.

Found about it from this video - https://www.youtube.com/watch?v=LTI1WCopTsg