Ebay, Craigslist, used game stores.
Titties!
Mad Catz made the Gameshark.
No.
As long as you have the proper codes for your version of the software you shouldn't have any problems getting it to work.
Project 64
Nintendo i guess
No where, believe me I've tried to find one myself and there was none except for a N64 gameshark I saw and that was it. Try calling MadCatz for a special order because they still sell gamesharks.
it opens the cheat in the game Examples: Press GS button for 99 Coins.when you push the GS button, it opens 99 coins
You only have two options Gameshark or Action Replay. I think I would go with the Action Replay because codes are easier to find.
No a N64 keyboard does not exist. You can play N64 games online using an emulator which you then use a keyboard to control, but there is no attachment keyboard for the N64 system. .j.
Superman64 is the worst N64 game
The N64 came out in 1996. .j.