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Um Jammer Lammy

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Title Screen

Um Jammer Lammy

Developers: NanaOn-Sha, SCEI, Nemesys
Publisher: Sony Computer Entertainment
Platform: PlayStation
Released in JP: March 18, 1999
Released in US: August 17, 1999
Released in EU: September 10, 1999

AreasIcon.png This game has unused areas.
DevTextIcon.png This game has hidden development-related text.
GraphicsIcon.png This game has unused graphics.
MusicIcon.png This game has unused music.
RegionIcon.png This game has regional differences.
PiracyIcon.png This game has anti-piracy features.

DevelopmentIcon.png This game has a development article
ProtoIcon.png This game has a prototype article
PrereleaseIcon.png This game has a prerelease article

To do:
Are there issues with the original European releases or was it just the PSone Classic emulation on the PS3/PSP? There's a few I can name off the top of my head like the guitars and PaRappa's voice not working sometimes and the "Awful" cutscene for Stage 6 not loading the voices.

Um Jammer Lammy is the sort-of sequel to PaRappa the Rapper, starring a guitarist lamb who's late for her gig.


Read about development information and materials for this game.
Development Info
Read about prototype versions of this game that have been released or dumped.
Prototype Info
Read about prerelease information and/or media for this game.
Prerelease Info

Unused Graphics

Play the song, soldier!

A graphic found in the music player. It is a screenshot from the credits with the text "XA PLAYER" and a kanji symbol (仮) that means "temporary". XA is the filename extension for the game's music data that the PlayStation reads from.

Um Jammer Lammy Unused Triangle.png Um Jammer Lammy Unused Circle.png Um Jammer Lammy Unused Cross.png Um Jammer Lammy Unused Square.png Um Jammer Lammy Unused L1.png Um Jammer Lammy Unused R1.png

Button sprites found in Um Jammer Lammy. An input sprite sheet was used for the bar instead, leaving these textures unused.

Um Jammer Lammy Unused Lesson1.png Lesson numbers

Unused lesson graphics.

Um Jammer Lammy Unused OFF.png

Unused OFF texture, presumably used when no effectors are being used.

Um Jammer Lammy Unused Cool1.png Um Jammer Lammy Unused Cool2.png

Unused textures for Cool Mode, implying Cool flashed in a different way when the player reached it. It can be seen in action in this video.

Um Jammer Lammy Unused Eye1.png Um Jammer Lammy Unused Eye2.png

Unused eye textures for Lammy. Interestingly, these textures are briefly used in a music video advertising Um Jammer Lammy Now!

Um Jammer Lammy Rammy Unused Eye1.png Um Jammer Lammy Rammy Unused Eye2.png

Unused eye textures for Rammy.

Um Jammer Lammy PaRappa Unused Eye1.png Um Jammer Lammy PaRappa Unused Eye2.png

Angry Angry

Unused eye textures for PaRappa.

Um Jammer Lammy Katy Unused Eye1.png Um Jammer Lammy Katy Unused Eye2.png

Unused eye textures for Katy Kat.

Um Jammer Lammy Katy Unused Mouth2.png

Unused mouth texture for Katy Kat.

Lammy PaRappa Teriyaki Yoko

Unused low-resolution sprites of Lammy, PaRappa, and Teriyaki Yoko respectively, found in stage 6. They were supposedly used when the camera is far from the stage, but they were left out in the final game.

Surprised (subtle difference between her normal eye texture) Sad Angry Furious

Smiling Mouth open Wavy Upset mouth open

Unused eye and mouth textures for Ma-san, suggesting she was originally more expressive during development.

UmJammerLammy ARMBALL0.png UmJammerLammy ARMBALL1.png ARMBALL2.png

Unused textures from stage 3 that apparently have been replaced with ARM and BALL textures.

Um Jammer Lammy ARM 1.png UmJammerLammy ARM 2.png

Unused variations of the hand that holds the babies in stage 3.

ARMBABY8.png UmJammerLammy BABY8.png

UmJammerLammy F B8 A1.png UmJammerLammy F B8 A2.png UmJammerLammy F B8 B1.png UmJammerLammy F B8 B2.png UmJammerLammy F B8 C1.png UmJammerLammy F B8 C2.png UmJammerLammy F B8 G1.png UmJammerLammy F B8 G3.png

An unused 8th baby from stage 3. He only appears on the loading screen.


A texture with the kanji symbol 仮 "tentative" located in stage 4.

UmJammerLammy SCORE.png

An unused score texture.

Unused Stage

In the rare arcade version of the game, Um Jammer Lammy Now!, you can play Stage 1 as PaRappa. While you can't access it by any normal means in the home version, the data remains. By using the GameShark code 300790B4 0003 in the US version, you can play the stage, but the only thing functional is the song, not the scenery. It is also possible to get "COOL" mode, though all of the buttons make PaRappa say "pick" over and over.

Stage 1 with PaRappa

Stage 1 with PaRappa on COOL Mode (Dialogue)

Failing Stage 1 with PaRappa

It is rumored among fans that PaRappa was supposed to hold a "feather duster" to become embarrassed like the way Lammy has a vacuum cleaner in her stage, hence why he's about to ask, "What is this?". But it has been revealed that PaRappa is actually holding a vaccum cleaner. Since PaRappa is playable in Stage 1 in the arcade version, it has been proven by one guy who owns the cabinet upon sharing this screenshot.

Playing Stage 1 as PaRappa in the Arcade Version

On Febuary 5, 2023, the r/Parappa subreddit user u/Fireandironisaplace posted some brand new footage of the cabinet showcasing PaRappa in Stage 1 in its entirety. Some other additional features of the game have also been revealed.

  • The Kotamanegi teaches you how to play.
  • Comepletely different main menu.
    • Joe Chin introduces you to Um Jammer Lammy NOW!
    • Mama PaRappa makes a cameo in the menu.
    • The menu makes use of 3D Models.
    • Joe Chin teaches you how to use the Guitar'n'Table. He also says different things depending how well you're doing.
    • You first get to select which game mode you want to play. Solo, Team, and Battle.
    • Next you get to choose the difficulty between Easy, Normal, and Hard.
    • And lastly for the menu, you get to choose who you would like to play as between Lammy and PaRappa.
  • Transitions between stages.
  • Stage 1 as PaRappa is fully complete.
    • PaRappa's animations are revealed.
    • Uncompressed Audio for Lammy and PaRappa.
    • Unlike the PlayStation version, PaRappa's voice doesn't go high pitched near the end and repeats the second to last bar at the end.
  • Some changes with the notes in the song.
  • When you complete a stage, Joe Chin tells you how well you did. If you did pretty good, Joe Chin states "Undoubtedly the best play of the year."

Error Messages

The executable has a bunch of error messages written in broken English.

xa ready callback ng
xa ready callback ok
XA chang cancel!!
pause error!!
The others error!
Assertion failed: file "%s", line %d
NEME/prdracom.h Can't get PACKET AREA !! size[%d]
Now free size[%d]

Regional Differences

A number of things were changed or censored when the game was brought to the US. The European version retains all of the original Japanese content.

To do:
There's still some alterations left to cover; Namely, Stage 5 in PaRappa's campaign, Vital Idol in Lammy's campaign, the multiplayer, the cutscenes for "MILK CAN, That's Us!", and the end credits. Coverage on Stage 6 in PaRappa's campaign is also incomplete. Also Memory Card icon animation.

Title Screen

Japan US/Europe
Uh, yes. Welcome to the fire. Where's the fire? It's out now

The Japanese logo animation gets a cool fire effect.

Stage 1

Japan/Europe US
"You can play in hell! You come far!"
"You can play in an island! You come far!"

The lyrics were changed in the US version due to stage 6 being changed from Hell to an island.

Stage 5

Japan/Europe US
"Choppin' trees down for the fun!"
"Knowin' that we're here for the fun!"
Japan/Europe US
"Chop all of them down, every single one down"
"Come on and get down, way down to the low ground"

The lyrics were changed because telling kids that chopping down trees is fun probably isn't a good idea.

Parappa's lyrics were changed accordingly.

Japan/Europe US
"Aint this fun, having fun in the sun, I love chopping down trees, just for fun!"
"Ain't this fun, having fun in the sun, I love rocking to the beat, just for fun!"
Japan/Europe US
Poor score is purely a result of emulator timing issues and not indicative of my music game skills I promise I swear to god I pulled off the frame-perfect identical screenshot by complete fluke, I wasn't even trying

Interestingly, the subtitles for the US release aren't completely altered for the latter line.

Stage 6

Japan/Europe US

The cutscene for stage 6 was changed almost completely. The Japanese and European versions show Lammy being sent to Hell upon death, while the US version shows Lammy being catapulted to an island. Oddly enough, a lot of the dialogue is left intact, with only a few minor differences.

Japan/Europe US
UmJammerLammy Lammy S6.png Where'd that come from?

Due to the cutscene changes mentioned above, Lammy gets a camouflage outfit exclusive to the US version. Parappa's outfit remains unchanged, due to having a different subplot.

Japan/Europe US
"The angel's been mean to me, that's for sure."
"My friend's been mean to me, that's for sure."

The lyrics to PaRappa's version of Vital Idol were changed from an angel to... a friend.

The credits feature an instrumental orchestral version of “Keep your head up” in the Japanese version, while the International versions feature a rock version with singing.

The Special mode is completely absent in the Japanese version, while the International versions feature it.

Anti-Piracy Oddity

While all regional versions of Um Jammer Lammy contain "anti-mod" copy protection, the PAL version of the game uses the Japanese anti-modchip message, an issue also seen in the US 1.0 version of Dino Crisis.

Japan/Europe North America