Welcome to AGN, @kireon7455210 !
K - Karateka (the first PC game I ever bought by myself for my old Commodore 64...ah, memories)
Video Games A-Z
L - Lemmings.
Never really understood this game, myself.
M - Mortal Kombat
N - Night Driver (an old Atari game)
O - Oddworld: Abe's Exodus
P - Prince of Persia
Q - Quest
If you never owned an Atari ST computer, chances are you never played this game.
R - Redout
S: Sylviana: Ai Ippai no Boukensha
T - Tekken (any of them)
U - Universe Sandbox
V - Venture
W - Wizard Of Wor
Xevious.
Yar's Revenge
Z - Zelda II: The Adventure Of Link
A - Athena
B - Blaster Master
California Games.
D - Defender
Oh yes, YES , I've been waiting my whole life for this one.
E - Earthbound
Calm down, [MENTION=39056]bigjoe[/MENTION], we don't want to have to call the paramedics again....
F - Final Fantasy
G - Getsu fu Maden
H - Haunted House (the Atari 2600 classic)
I - Ice Hockey
J - Jumping Flash!
K - Karateka
L - Lemmings
M - Metroid Zero Mission
N - Naruto: Narutimate Hero