What games give you the most nostalgia?

[CladInShadows]

Some big nostalgia factories for me:

PC:

Hexen
Original Myst (those sound effects put me right back to 1995)
Little Big Adventure
Crusader: No Remorse
Wing Commander 3
Point and click adventure games of yesteryear
Thexder

NES:

Super Mario 1 and 3
Contra / Super C
Double Dragon 2
Ninja Gaiden 2

SNES:
Super Baseball Simulator 1.000
Wing Commander (only ever played it on SNES, not PC)
Actraiser 2
Mortal Kombat 2

Gamecube:
Metroid Prime