The first HD videogame ever
 

Japan, 1993

an unreleased prototype game called Hi-Ten Bomberman - a special
version of the popular Bomberman games, 10 players could play,
widescreen, on a very expensive HDTV.

http://youtube.com/watch?v=ijWXi-vUzrM

the sound in the video is very silly, very Japanesey. but this is one
for the history books. long before Xbox, Xbox 360 and PS3 arrived
with HD games, NEC and Hudson made the first HD game using a special
version of their popular PC-Engine console (TurboGrafx-16 in the U.S.)


this game did not use a modern HD resolution such as 1080i, 720p or
1080p and I don't know what the actual resolution was, but it was
higher than