Jumping in pretty late in the year, but...
So far, I've beat a few games
NES/Famicom
Ninja Gaiden 1,2,3,(I dunno if it's considered seperate)Trilogy
Contra
Super C
Super Mario 2(Japanese)
Genesis/Mega Drive
Splatterhouse 2
Splatterhouse 3
PC
DOOM 2
Apple II
Time Zone
Cranston Manor
The Wizzard and the Princess
Zork 1,2,3
Ikari Warriors
Commando
3DO
Alone in the Dark 1,2
Star Fighter
PO'ed