Mostly Unpublished NES Cheats ;)

red    marked cheats are unique, not listed on any site (tell me if not).
brown marked cheats from various other sources like etc, checked and fixed if necessary.
gray   marked disabled or missed cheats buried inside game ROM.

  Uchuu Keibitai SDF
  Ugadayka (Chudov)
  Ultimate Mortal Kombat 3 (NT)
  Ultimate Mortal Kombat 4 (NT), Mortal Kombat 4 (NT)
  Ultimate Stuntman
  Ultraman Club - Kaijuu Dai Kessen!!
  Ultraman Club 2 - Kaettekita Ultraman Club
  Universe Soldiers, The (GamTec)
  Untouchables, The
  Utsurun Desu

Cheats summary:
generic cheats-2
unique cheats-11
buried secrets-0
fixed generic cheats-0
unverified games-0
games with secrets-10
games with no secrets found-10

Uchuu Keibitai SDF

(UNI) Controls and soundtest menu (added 30.10.07):
At the title screen, hold A + B then press Start or Select.

Ugadayka (Chudov)

(UNI) Secret message (added 23.08.14):
During the game, when no tries is left and you asked wether you want over or continue the game (press Start or Select), press Right + A, a sound will be heard, now you can press Start to return back to the menu or press Left + B to see the developer's message.

Ultimate Mortal Kombat 3 (NT)

14 people version:

(UNI) Easter egg (added 06.08.11):
At the difficult select screen, press Up, Up, Up, Down, Down, Down, Left, Right.

Ultimate Mortal Kombat 4 (NT), Mortal Kombat 4 (NT)

Ultimate version:

(UNI) Easter egg (added 06.08.11):
At the difficult select screen, press Right, Right, Right, Left, Left, Left.

Ultimate Stuntman

(UNI) Smiley test:
Absolutely all games by Codemasters have internal PRG ROM and CHR RAM testing routines. So called "Smiley tests". Tests are normally enabled, but for triggering it needs pressing all D-Pad buttons. Hold Up + Down + Left + Right + A + Select + Start to enter the PRG ROM test or hold Up + Down + Left + Right + B + Select + Start to enter the CHR RAM test, and press Reset. A green smile means that test passed, red sad face - failed.

Ultraman Club - Kaijuu Dai Kessen!!

(GEN) Level select:
At the title screen, wait util "PRESS START" appear, then hold one of the following buttons on controller 2 and press Start on controller 1.
Up + A + B-Stage 2
Right + A + B-Stage 3
Down + A + B-Stage 4
Left + A + B-Stage 5

Ultraman Club 2 - Kaettekita Ultraman Club

(UNI) Sound test (added 16.04.15):
Beat the game, after the ending sequence and credits roll are displayed, at the picture with the "END" message, press A + B on controller 2.

(UNI) Easter egg (added 16.04.15):
During the credits roll, use the D-Pad buttons on controller 2 to move Ultraman in any direction on the screen.

Universe Soldiers, The (GamTec)

(UNI) Extra lives (added 17.04.15):
At the game over screen, when the animation is stopped, hold Down, then untill the screen is fade out, every press of Select will increase the initial lives by 1, press as fast as you can to obtain up to 30 extra lives.

Untouchables, The

(UNI) Secret words (added 16.11.08):
Enter this word as a name in a hi-score table when asked to.
XVQ-Start a new game and at the stage number screen press Up + A + B. The game will return to the title screen, start a new game and you'll continue from the next level. Repeat this process up to the stage 7.

Utsurun Desu

(GEN) Stage select:
After power the console up, hold A + B + Select and and press Start until the real title screen appears, then press Start once more. A screen will stay black. Press B to increase the starting level number. Press A to play a level.

(UNI) Debug mode (added 17.04.15):
After power the console up, press Start once to get to the second title screen, then press Down, Down, Down, Down, Down, Down, Down, Down, B, B, B, B, B, B, Left, Left, Left, Select, Select, Select, Select, Select, Select, Select, Select, Select, A. Nigori of the "で" kana symbol in the title will disappear, indicating the correct code entry. This enables the stage select mode by default, also you'll be invulnerable to the enemies attacks during the game (still able to loose your life on spikes, etc.), the amount of money from the start will be 256005000 yen. Also, in every shop or dialog room, the top-left corner of the HUD above the HP will be filled with a message "平山丈時", which stands for a programmer's name Hirayama Jouji. And finally, at the final boss, go to the right side of the screen and press Down to get a random item fall down from above, and you can use it as weapon.

(UNI) Different endings (added 18.04.15):
There are four different endings in this game. One is a good true ending and three are bad endings of some kind. The only thing is responsible for ending selection, is a number of money. Due to some weakness in its calculation logic, the result sometimes is quite random. The number of money is a 10-digits decimal number, so maximum amount of money you can earn is 9999999999 (10 billions). The least two digits aren't actually used in calculations during the game, any price in shops is divisible by 100, any rewards too. The only way to have a lower digits changed is to die and continue the game. Every time you die, the counter will be increased. So basicly, this is always the deaths counter, instead of actually a money counter (as a side note, the way it's calculated caused some side effect: if you die more than 99 times this will reset counter to 0 and add 100 actual money to the counter).
The ending number is calculated based on comparison money digits. Lets name those digits from left to right with a letters: ddccbbxxaa. So, a - means the deaths counter, x - is ignored, b - count of 10000, c - count of millions, and finally d - count of 100 millions. The table below shows the ending selection logic. If you note, the calculations meant to be just check if number of money high enough, or too small to good ending. But actually, you may have A LOT of money, but with some specific digits combinations, this may end with bad or the whorse ending anyway!
Ending 0, dancing on the south pole-(max(a,b) >= c) && (max(a,b) >= d)
Maximum of a and b greater or equal to c and d at the same time.
This will cause the bad ending either if you have c and d at zero, of just LOWER than a or b!
Ending 1, dancing on the grass-(max(a,b,c) < d) && (a >= 3)
Maximum of a, b and c less than d and number of deaths greather or equal to 3.
Ending 2, wandering throught the world-(max(a,b) < c) && (max(a,b,c) >= d)
Maximum of a and b less than c, but maximum of a, b and c greather or equal to d.
Ending 3, hawaii, the best ending-(max(a,b,c) < d) && (a < 3)
Maximum of a, b and c less than d and number of deaths less than 3.


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