I guess I'll start out one of my most recent indulgences/passions.
I've really been into games lately that are done in a retro 8-16 bit style that often employ some deeper meaning through abstract means.
In other words fucking weird. (sometimes)
Don't Look back
Run, Jesus Run!
Babies dream of dead worlds
Don't Shit Your Pants
The Life Of A Pacifist Is Often Fraught With Conflict
Free Will - The Game