WCW Nitro Cheats (Nintendo 64)

Press the Z button at any time during the match to cause a run-in to occur.

At the title screen, press C-Right(7), R, Z. If you entered the code correctly, you will
hear a sound. A tone will confirm the code.

At the title screen, press R seven times, then press C-Right, Z. A tone will confirm the
code.

At the title screen, press C-Left seven times, then press L, Z. This will cause the
wrestler's heads to sweel with each hit. A tone will confirm the code.

Press B + C-Left at any time while on the Disco stage to make your wrestlers do the
Y.M.C.A.!

Beat the Tournament Mode with any wrestler on Normal or Hard and you will unlock a hidden
wrestler. Each character will unlock a different wrestler, so try beating the game with
everyone for the maximum lineup.

At the mode selection screen, press L seven times then press C-Left 17 times. A tone will
confirm the code.

While at the screen where it says "Start" or "Options" press:
  Right-C, Right-C, Right-C, Right-C, Left-C, Left-C, Left-C, Left-C, R, R, R, R, L,
  L, L, L, Z. If the code was entered correctly you will hear Macho Man say, "Oh Yeah"

At the options screen, press C-Right, R, C-Right, R, Z. From now on, every time Z is
pressed, the current ring will advance to the next in the series.

  To move in reverse, press C-Left, L, C-Left, L then press Z until you reach the desired
level.

At the title screen, press C-Right 4 times, C-Left 4 times, the R button 4 times, the L
button 4 times, and then Z. Then at the character select go to the top row of wrestlers
and press UP. Repeat this process over and over until you get back to the screen with the
original wrestlers.

At the title screen press c-left, L, c-right, R, Z. A sound will confirm a correct code
entry. The new rings include Graveyard, Spaceship, Circus, Hive, Turbo, Wunderland,
Boudoir, Hall of Mirrors, Rec Room (this is my favorite! you get to wrestle on a pool
table!), Psychodelic, Disco, Jungle, 1984, Quark, and Texas.