Undertale on Playstation 4 (PS4)

Cheats, game codes, unlockables, hints, easter eggs, glitches, guides, walkthroughs, trophies, achievements and more for Undertale on Playstation 4.

Navigate using the links above or scroll down to browse the Undertale cheats we have available for Playstation 4. The most trustworthy items get the most 'thumbs up' and appear first in their respective section.

We have 6 entries submitted for for this game on this platform at the moment. If you something more to share submit it here!

  • Genre: Role-playing (RPG), Turn-based strategy (TBS), Adventure, Indie, Shooter, Puzzle
  • Platforms: Mac,PC,PlayStation Vita,PlayStation Network (Vita),PlayStation 4,Linux
  • Ratings: ESRB E
  • First Release (Any platform):

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Cheats

Entering Special Names

While not traditional cheat codes, entering certain names when prompted to name the fallen human will give you a special message or effect. Most of these are names of characters in the game, causing the character in question to either object or allow you to use it.

Note: you cannot change your name unless you perform a True Reset at the end of a pacifist playthrough or complete a genocide playthrough. Some names are forbidden, and the game won’t let you use them at all.

Forbidden Names

Alphys – “D-don’t do that.”

Asgore – “You cannot.”

Asriel – “…”

Flowey – “I already CHOSE that name.”

Sans – “nope.”

Toriel – “I think you should think of your own name, my child.”

Undyne – “Get your OWN name!”

Gaster – No message; the game reloads the title screen.

Names With Effects/Messages

Frisk - “WARNING: This name will make your life hell. Proceed anyway?” This allows you to access Hard Mode. Hard Mode ends at the end of the Ruins section. It features stronger monsters, fewer healing items, and altered dialogue. Since you can’t complete the game in Hard Mode, you are allowed to pick a different name when you reset.

Chara - “The true name.”

Murder or Mercy - “That’s a little on-the-nose, isn’t it...?”

AAAAAA - “Not very creative...?”

Bratty - “Like, OK I guess.”

Catty - “Bratty! Bratty! That’s MY name!”

Temmie - “hOI!”

Aaron - “Is this name correct? ;)”

Woshua - “Clean name.”

Metta, Mett, or Mtt - “OOOOH!!! ARE YOU PROMOTING MY BRAND?”

Jerry - “Jerry.”

Papyru - “I’LL ALLOW IT!!!!”

Alphy - “Uh.... OK?”

Napsta or Blook - “............ (They are powerless to stop you.)”

Bpants - “You are really scraping the bottom of the barrel.”

Gerson - “Wah ha ha! Why not?”

Shyren - “...?”

Drak, Gigi, or Gugu – No message; the item Steak in the Shape of Mettaton’s Face, which is normally abbreviated in the inventory as FaceSteak, will instead be abbreviated as Fsteak. This is a nod to the webcomic Hiimdaisy’s parody of Persona 4, in which Chie is obsessed with steak and picks “Fsteak” as a word beginning with F. (“Fsteak” later appeared in Persona 4 Golden as part of a line said by Marie, which is both a legitimate translation of the Japanese dialogue and a nod to the comic.) The creator of Hiimdaisy, Gigi DG, worked on art and testing for Undertale.

 

Unlockables

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Easter Eggs

The Mystery of Gaster

Undertale contains several hints about W.D. Gaster, the royal scientist before Alphys took over the position. Strange NPCs known as Gaster’s Followers will sometimes appear with cryptic dialogue about Gaster’s disappearance, referencing how his experiments went wrong and wondering if Alphys will meet the same fate.

It is also possible for a secret room to appear in which you meet a see a strange black-and-white figure fans believe is Gaster.

Additionally, the River Person will sometimes say “Beware of the man who speaks in hands,” which is believed to be a reference to Gaster due to an association between Gaster and the Wingdings font.

It is still unknown if more is planned for Gaster in the future, or if it is just meant as a fun secret for fans to discover.

 

The Developer Room (Snowdin Door)

If you complete the game as a true pacifist and go through the credits without being hit by a single name, you’ll be able to open the mysterious locked door in Snowdin. This will let you enter the developer room, where you can meet the Annoying Dog.

This might also be a nod to the joke Dog Ending of Silent Hill 2.

 

Flowey Stalking You

If you quickly backtrack at several points during the game, you can catch Flowey stalking you.

 

Final Fantasy VI Opera reference

The scene where Mettaton traps you and sings about your doomed love before sending you to the dungeon is a reference to the famous opera scene in Final Fantasy VI, particularly the song “Aria di Mezzo Carattere” sung by Celes.

Watch the videos below to compare the two scenes.

 

Dog Shrine

While you’re in Sans and Papyrus’s house, inspect the sink. After the dog jumps out, go through the sink’s door to enter the Dog Shrine. You can donate money to the dog shrine, and it will gain new decorations. You will earn trophies for doing this, but there is no other purpose or benefit.

 

Glitches

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Hints

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Guides

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Trophies

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