2003
A "topless cheat" for Dead or Alive Xtreme Beach Volleyball. The cheat required players to complete the game a scant few seconds faster than is physically possible. The "cheat" caused quite a commotion, and was even sold over the Internet by some people through the bidding website eBay.
Ultimately, hackers were, indeed, able to create a "patch" for the game that allowed for "nude" bathing suits to be worn by game characters, but the patch could only be applied to copied versions of the game.
Read more about this topic: EGM April Fools' Jokes