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ChuChu Rocket! (Dreamcast)

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Title Screen

ChuChu Rocket!

Developer: Sonic Team
Publisher: Sega
Platform: Dreamcast
Released in JP: November 11, 1999
Released in US: February 29, 2000
Released in EU: June 9, 2000


DevTextIcon.png This game has hidden development-related text.
GraphicsIcon.png This game has unused graphics.
TextIcon.png This game has unused text.
BonusIcon.png This game has hidden bonus content.


ChuChu Rocket! rethinks the cat-and-mouse formula in outer space, without any upper-body extremities and endless amounts of arrow placement shenanigans. It was soon ported to the Game Boy Advance, and has recently got a remake for all major smartphone platforms.

Unused Graphics

There are quite a few leftover graphics from the Japanese version scattered in the ENGLISH folder of the disc.

Speech Bubbles

These were likely used as predefined statements within the DreamArena Chat service. The ones found in the US and European versions have a different design.

ChuchuDC KON2.png

  • KON2.PVR: Hello! (こんにちは!)

ChuchuDC HAJI3.png

  • HAJI3.PVR: Pleased to meet you! (はじめまして!)

ChuchuDC TAI4.png

  • TAI4.PVR: Let's play, guys! (みんな、対戦しよう!)

ChuchuDC CHI5.png

  • CHI5.PVR: I'll create my team. (チームを作るね。)

ChuchuDC SAN6.png

  • SAN6.PVR: May I join? (参加していい?)

ChuchuDC SUTA7.png

  • SUTA7.PVR: Let's start! (スタートしよう!)

ChuchuDC OME8.png

  • OME8.PVR: Congratulations! You are strong! (おめでとう!強いですね!)

ChuchuDC MOU9.png

  • MOU9.PVR: Do you want to play again? (もう一回対戦する?)

ChuchuDC OWA10.png

  • OWA10.PVR: I'm going to quit soon. (そろそろ終わるね。)

ChuchuDC TUGI11.png

  • TUGI11.PVR: I'm going to quit after the next game. (次で最後にするね。)

ChuchuDC BY12.png

  • BY12.PVR: See you later! Bye! (またね!バイバイ!)
(Translations: Inductor)

Control Schemes

Various UI snippets detailing the controls for the puzzle editor mode.

Graphic Filename Translation
ChuchuDC PZEDIT01A.png PZEDIT01A.PVR A· Create new puzzle (パズルを新しく作る)
B· Delete a puzzle (パズルを消す)
X· Open a puzzle (パズルを読み込む)
Y· Save a puzzle (パズルを保存する)
ChuchuDC PZEDIT01B.png PZEDIT01B.PVR A· Play (再生)
B· Stop (ストップ)
X· Fast‐forwarding (早送り再生)
ChuchuDC PZEDIT01D.png PZEDIT01C.PVR A· Down (↓向き)
B· Right (→向き)
X· Left (←向き)
Y· Up (↑向き)
ChuchuDC PZEDIT01E.png PZEDIT01D.PVR A· OK (決定)
B· Delete (消去)
ChuchuDC PZEDIT02.png PZEDIT02.PVR △Start, End (△スタート、 終了)
LR function, switching(機能・切替)
File(ファイル) Play(再生)
Wall(かべ) Mouse(ネズミ) Cat(ねこ) Correct-indicator(正解の矢印) Goal(ゴール) Hole(穴)
ChuchuDC PZINFO02.png PZINFO02.PVR A· Yes (はい)
B· No (いいえ)
ChuchuDC NETSOUSA0.png NETSOUSA0.PVR Select with + (+で選択)
Confirm with A (Aで決定)
(Translations: Bast, Inductor)

Miscellaneous

ChuchuDC B24ROMA.pngChuchuDC B24KANA.png

B24ROMA.PVR and B24KANA.PVR are two squares with "ローマ (roma)" and "カナ (kana)" written on each.

ChuchuDC PAUSEBOARD0-1.png

PAUSEBOARD0.PVR and PAUSEBOARD1.PVR compose the overlay of the pause menu. The label reads "ポーズ (pause)".

ChuchuDC SAVEOK.png

SAVEOK.PVR is a squished button that reads "セーブ (SAVE) OK".

Unused Text

The EXTRA folder in the root of the disc contains three text files.

  • ABSTRACT.TXT often has a brief description of the game. This time, it doesn't.
Abstracted by none.
  • BIBLIOGR.TXT is completely empty.
  • COPYRIGH.TXT has a plain copyright string.
CHU CHU ROCKET:
Copyright(C) SEGA ENTERPRISES,LTD.,1999,2000

Development Text

Scattered through 1ST_READ.BIN are an awful lot of in-house command-line software headers. These have been sorted by its build dates, ranging from March 1999 to January 2000.

ntDns Ver 1.00 Build:Mar 16 1999 19:17:25
bu Ver 1.47 Build:May 25 1999 17:27:29.VMS File System for Application(dynamic work alloc)
syBt Ver 1.06 Build:May 26 1999 13:59:55
syBtFnt Ver 1.02 Build:May 31 1999 09:01:19
syRtc Ver 1.02 Build:May 31 1999 09:05:20
ntInf Ver 2.00 Build:Mar 31 1999 14:13:50
syMmu Ver 1.50 Build:May 31 1999 16:25:13
sySq Ver 1.50 Build:May 31 1999 16:26:00
syChain Ver 1.50 Build:May 31 1999 16:35:21
syInt Ver 1.50 Build:May 31 1999 16:38:10
syMalloc Ver 1.50 Build:May 31 1999 16:39:06
ov Ver.1.00Build:Apr 23 1999 22:13:01
gdFs Ver 1.08 Build:Apr 26 1999 14:29:58
fmMng Ver 1.04 Build:Apr 26 1999 14:34:41
syBtCfg Ver 1.03 Build:Apr 26 1999 14:36:52
syCfg Ver 1.15 Build:Apr 26 1999 14:38:59
syTmr Ver 1.04 Build:Apr 26 1999 14:43:51
pdLcd Ver 1.04 Build:Apr 26 1999 16:55:25
pdTmr Ver 1.06 Build:Apr 26 1999 16:55:29
pdVib Ver 1.02 Build:Apr 26 1999 16:55:32
syHw Ver 1.07 Build:Apr 26 1999 16:55:31
syCbl Ver 1.10 Build:Apr 27 1999 13:54:09
syStart Ver 1.15 Build:Jul 21 1999 16:13:58
syCache Ver 1.52 Build:Jul 22 1999 18:55:18
KAMUI Ver 1.11.0.0 Build:Jul 26 1999 19:23:10
kd Ver 1.48 Build:Jul 30 1999 14:59:52
pd Ver 1.50 Build:Jul 30 1999 15:01:33
pdKbd Ver 1.51 Build:Jul 30 1999 15:01:35
syG2 Ver 1.01.10 Build:Aug 30 1999 17:03:50
Shinobi Library for Dreamcast Version 1.62. Copyright (C) 1998,1999 SEGA.
Shinobi Ver 1.62 Build:Aug 30 1999 17:32:03
modem Ver 1.013 Build:Sep 01 1999 10:11:27
ntSup Ver 1.00 Build:Sep 08 1999 16:05:42
sd Ver 2.01.04 Build:Sep 14 1999 21:44:44
ntTcp Ver 1.00 Build:Sep 21 1999 21:11:25
ntPpp Ver 1.00 Build:Oct 22 1999 11:00:34
SEGA Ninja Library...Ninja Ver 01100105 Build:Nov 01 1999 19:55:02
ntInfUS Ver 1.00 Build:Jan 10 2000 17:33:23

There's also this error message that is repeated three times at offsets 166848, 166B00, and 166B2C:

***FATAL ERROR:Cannot get semaphore!

Bonus Content

The disc has eight wallpapers inside the aforementioned EXTRA folder in both 800×600 and 1024×768 resolutions. The original source files are 24-bit bitmaps, but here they have been converted to PNG.