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Rabi-Ribi (Windows)

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Title Screen


Developers: CreSpirit, GemaYue
Publisher: Sekai Project
Platform: Windows
Released internationally: January 28, 2016

AreasIcon.png This game has unused areas.
PiracyIcon.png This game has anti-piracy features.

<Sanky> please suggest an unused sprite with a clock or something
This game is still under active development.
Be aware that any unused content you find may become used or removed in the future. Please only add things to the article that are unlikely to ever be used, or went unused for some time. If they do get used, please remove them from the page and specify in the edit summary!
Elementary, my dear Cactus.
This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: Investigate the 'demo' and 'notPC' maps left in the game folder.

Check if the game has a steam_api.dll integrity check.

Find out how to activate debug mode, it's referenced in the pause menu.

Rabi-Ribi is a metroidvania featuring soul crushingly difficult bosses and bunnies.

Anti Piracy

The game has quite the ingenious method of detecting piracy: It registers a fake DLC ID with SteamAPI. If a Steam emulator unlocks all DLC, the game won't progress past the first chapter and will open browser windows to the Steam page of the game every frame, probably freezing your computer.

pack/database/stat.rbrb also contains this text about a popular Steam emulator. It's referenced in the exe so it's not completely unused, but if it actually triggers anything is unknown.


Developer Leftovers


There's two debugging tilesets in the game files. As of 1.85 they can be enabled using -debugshowevents, so they aren't really unused anymore.

Event Debugging Tileset
NPC Debugging Tileset

Area 11

This area is not accessible in-game without replacing another map with it, since the engine only loads maps up to 9 (0-indexed). Judging by the large number of boss rooms in this map, it's probably used to test the bosses.

Oddly there's two items but their ID is far above the registered item IDs so they do nothing.


Optipng.exe and scalex.exe are left in the game's archive along with two batch files. Unfortunately, the batch files are corrupted (or the decryption doesn't work on text files).

The uncompressed version of Mischievous Masquerade is left in a folder named RAW (inside the DLC archive) with a filename of MISCHIEVOUS_MASQUERADE_FINAL_VER._00000000.WAV.

"TBA" Icons

From version 1.80 and below these icons were present in hidden areas in Southern Woodland and Exotic Laboratory. The one in Southern Woodland was removed in 1.80+. The one in Exotic Laboratory was replaced in 1.99. It has been confirmed by the developer that the areas were cancelled since a sequel is in development.

Unused/Unfinished Areas

Rainbow Rooms

In every zone, there are empty rooms with rainbow blocks, but they're out of place and normally inaccessible. They haven't been touched since the game's release, so they'll probably continue to be unused.

Some of the rooms play the library ambient theme.

The rainbow room in the laboratory has been near completely overwritten.

Town Rooms

Most of the town houses aren't enterable, but they all have (unfinished?) rooms with exit warps. Since there's no warps leading to them the correct background isn't loaded however.

Unfortunately there's no backgrounds for them in the game's files, but there is an inverted and vertically flipped version of Erina/Rumi's house.

UPRPRC Hideout

The UPRPRC hideout has a section of unused rooms with somewhat difficult platforming requiring the walljump and airdash that ends in an empty room. Its 'entrance' would be above the room next to Irisu's. Even the rainbow room connected to this area isn't accessible, suggesting that rainbow rooms may have been scrapped very early in development.

Sky-High Bridge

There are some unused rooms with the incorrect tileset below the castle.

Southern Woodland

To the left of the TBA room hidden near the entrance, there's a teleporter that leads nowhere and a few rooms. Underneath the teleporter is some unused rooms from the Hall of Memory.

Northern Tundra

There's some rooms underneath the entrance, but they're unfinished and aren't very interesting. They don't line up with the used rooms above them.

System Interior

If it were somehow possible to jump infinitely up through the corridor all the way on the right of the map, you could continue up into a room with the letters "YUE", short for GemaYue.

Sadly you can't, so this room is only visible with Cheat Engine or the map editor. Interestingly there are triggers to show layer 2 (which the developer's name is on), so it seems like this Easter egg was actually planned to be viewable in-game at one point without cheats. But it also uses the wrong tileset, so who knows.

Warp Destination

There's a large amount of unused maps in warp destination above and below where you actually explore. Some of the maps connect, but others don't. A lot of them use different tilesets per room.


Far, far outside the map, there is a health potion in the top left corner of Southern Woodland and some junk blocks.

Version Differences

Version 1.80

Added the Ravine II, fairy boss battle, and Hall of Memory II area. Various music has also been replaced.

The game can also load custom user-made levels now.

Version 1.85

Improvements have been made to user-made levels.

Version 1.90

Added three command line flags: -afd, -bettercontrol, -sayablessing. These are joke options, since the update was released on April Fools.

Version 1.99

The game's encryption for pack.kanobi has been changed. Steam Workshop support has been added. Added a new longjump minigame in System Interior, new DLC exclusive costumes and CGs, and even more special bosses. The "TBA" icon in the Exotic Laboratory has been replaced with a new item with a unique jingle, however it has no name and doesn't appear in your inventory. It serves no purpose currently. It looks somewhat like a Nintendo Switch cartridge, so it might be related to the Switch version of the game.

To do:
Add pictures of the changes.