The PS3 is of that era where there was huge hype at the time about how realistic the graphics were (deservedly, to be fair) but when you look at it historically the shortcomings are all too clear, and it's almost comical.

Games on older consoles couldn't gun for realism the same way, and so they ironically look better now in retrospect because they just come across as having a particular style of their own.

The first 3D game I ever played looked like this:

I will say that with a handful of exceptions the PS3 generally looks worse than the 360, for example Infamous and MGS4 still hold up well enough but Red Dead Redemption does look a good bit rougher on the PS3.

early 3d

Show him Jumping Flash! and see if he can even make sense of it.

I vote you include sonic 3-d. That game makes me throw up with how they made the 3d effect.