-To get updated graphics (in some cases,) you need to input the famous "Konami" code.
-High scores are not saved.
-Little replay value.
Okay, honestly, who doesn't like Frogger? I mean, how can sending a frog across an insane highway and floating logs and turtles not be fun. So let's just skip that for now.
Then there's Scrambler. It's decent. Not terribly fun, but provides an interesting challenge. . . until you beat it and the game starts over again.
Then there's Time Pilot. Ridiculously simple, yet ridiculously hard at the same time. This game is almost guaranteed to make your thumbs go numb and cramp up after extended play.
Gyruss. Gyruss is my personal favorite. It's like space invaders, only it's in a circle instead of just up/down. Eh, that one's a little tricky to explain, but needless to say, it's darn fun.
Yie-Ar-Kung-Fu is perhaps the worst of the bunch. Probably one of the first one-on-one fighting games, so ther...