Ultimate Mortal Kombat 3

Fight as Human Smoke:
Highlight the Smoke. Hold Away + HP + HK + Block + Run until the match starts.

Random character select:
Highlight Rain and press Up + Start. For player two, highlight Noon Saibot and press Up + Start on controller two.

Original tournament:
Highlight the "Start" option at the title screen, then press L + R + Start for an 8 x 8 endurance tournament mode. Press Up + Start to select random fighters. Note: At times a "?" will appear in a fighter's box, which will result in a glitched Sheeva and may crash the game.

Cheat menus:
Enter one of the following series of controller actions at the start/options screen to display the corresponding cheat menu.

Kool Stuff
Press Right, Up, B(2), A, Down, Up, B, Down, Up, B.
Kooler Stuff
Press Up, B, A, Left, Down, Y.
Scott's Stuff
Press B, A, Down(2), Left, A, X, B, A, B, Y.

Sound test:
Press Left, Down, Y(2) at the start/options screen.

In-game restart:
Quickly tap Start on controller two, then hold Start on controller one in a one player game. Select the "Mortal Kombat" option to start a new game.

Display mystery text:
Hold L + R on controller two and power on the SNES.

Kombat Kodes:
Select a two player game and enter the Vs. screen. Press Y, B, and A on controller one to select the first three characters of the Kode, and those same buttons on controller two for the last three characters. Enter a valid Kode before the Vs. screen fades. Pressing a button will cycle the specific character to which it is assigned:

Character Abbreviation Presses
DragonD 0
MK LogoM 1
Ying-YangY 2
Three3 3
Question Mark? 4
Lightning BoltL 5
GoroG 6
RaidenR 7
Shao KahnK 8
SkullS 9
Kombat Kode Effect
000-033 or 033-000 Player 1/2 half energy
000-707 or 707-000 Player 1/2 quarter energy
445-any or any-445 Timer disabled
012-345One button brutalities (press HP)
955-955Extended fatality time
944-944One button fatalities
788-322Fast uppercut recovery
044-440No power - one hit kills!
300-300No music
012-012Health recovery.
100-100Throwing disabled
010-010Throwing encouraged
020-020Blocking disabled
205-205Winner fights Smoke
769-342Winner fights Noob
969-141Winner fights Shao Kahn
033-564Winner fights Motaro
444-444 or 460-460 Randper Kombat
820-028Fight at Pit III
343-343Fight on The Roof
282-282No Fear message
987-666Flipper message
123-926"..No knowledge without power"
221-557Uppercut changes stage every time
191-191Hyper speed
120-120Credit screen before fight
989-8988-man tournament with random characters
999-995In-close combos disabled
091-293Sweeping disabled
432-234Minimal damage
449-449Invisible fighters
987-123No powerbars
688-422Dark fighting
985-125Psycho kombat
642-468Play hidden game
666-444Fight at Scorpion's Lair
330-033Fight at Jade's Desert
466-466Unlimited running
002-003Fight at The River
004-700Fight at Kahn's Kave
Hint: Cyrax: Helicopter hair fatality:
Press Down(2), Up, Down, HP.

Hint: Cyrax: Self-destruct fatality:
When close, press Down(2), Forward, Up, Run.

Hint: Ermac: Pit fatality:
Press Run(4), Low Kick.

Hint: Jax: Giant:
Press Run, Block, Run(2), Low Kick.

Hint: Jax: Mincer fatality:
When close, hold Block and press Up, Down, Forward, Up.

Hint: Jax: Pit fatality:
Press Down, Forward, Down, Low Punch.

Hint: Kabal: Pit fatality:
Press Block(2), High Kick.

Hint: Kabal: Babality:
Press Run(2), Low Kick.

Hint: Shang Tsung: Soul Steal:
When close, hold LP and press Run, Block, Run, Block.

Hint: Shang Tsung: Spike fatality:
When close, hold LP and press Down, Forward(2), Down.

Hint: Smoke: Blow World Up fatality:
When across the screen, hold Block and press Up(2), Forward, Down.

Hint: Smoke: Throat Bomb fatality:
When at sweep distance, hold Run + Block and press Down(2), Forward, Up.

Glitch: Flying baby:
Enable the "Kool Stuff cheat menu" code and set "Max Fatality Time" on, then enable the "Kooler Stuff cheat menu" code and set "Quick Finish" on. Fight until you hear "Finish Him/Her!". Do a uppercut, then after that quickly press R (Babality).