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Blast Corps

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In Blast Corps, your goal is simple: destroy buildings everything using a variety of unique demolition vehicles to clear a path for a truck carrying a pair of defective nuclear missiles.

Sub-Pages#

Unused Code#

Destroy Containers Level#

There exists data for a level type where you have to destroy containers like the ones from Oyster Harbor.

HUD Icons#

Icon ID 0xFC is a duplicate of the Destroy Spheres icon.

Big icons for Cyclone Suit, damage counter and timer exist. They use the same graphic as the normal ones, but they are resized. The unused icons use the IDs 0x27, 0xED and 0xEF respectively. The big Cyclone Suit icon was meant to be used in the Highscore list, but no bonus level uses Cyclone Suit.

The crane, train, boat and the unused vehicle have icon IDs, but they all display the same glitched graphics. Their IDs are 0x06, 0x07, 0x0B, 0x0C for the normal icons and 0x1D, 0x1E, 0x22, 0x23 for the bigger ones.

Placeholder Data#

An unused vehicle (0x0C) exists. Trying to load it crashes the game as there is no code for it. This slot was most likely used by the removed rescue chopper vehicle.

There is an unused event with ID 0x1F located between the final intro segment (0x1E) and the main levels complete message (0x20). The game will freeze, because there's no text assigned to it.

In the savegame file there are some unused bytes for activated communication points for levels that don't even have one, including Diamond Sands, Morgan Hall, Mars and Gibbon's Gate.

Unused TNT Blocks#

Watch on YouTubeThe fourth parameter controls the type of a TNT block. 0x01 uses a different texture and 0x02 is an invisible TNT block. In the final game said parameter is always set to 0x00.

Unused Text#

Level Names#

English/German

Japanese

CMO INTRO
CMOイントロ

This text is assigned to the unused level CMO Intro.

English

German

Japanese

END SEQUENCE
ENDSEQUENZ
エンドシーケンス

This text is assigned to the unused level End Sequence.

Buildings#

English

German

CONTAINERS
CONTAINER

This text is assigned to the building type container.

English

German

SPHERES
KUGELN

Assigned to the unused sphere duplicate.

Third Language#

This needs some investigation.
Discuss ideas and findings on the talk page.
Specifically: Is this a combination of two separate used lists? "Amber", "Clark" etc. are used in the intro sequence.

SELECT LANGUAGE
ENGLISH
DEUTSCH
AMBER
CLARK
SPIKE
WESLEY

Unused text meant for a third language? The additional entries are the names of the four Blast Corps crew members.

Debug Strings#

TOO FAR AWAY FROM CMO
WILL THIS FIX IT!!?
MOVEABLE GEOMETRY MOVE ROUTINE NOT WRITTEN YET
TESTING PAUSE2 %d %d %d
TESTING PAUSE3 %d %d %d
TESTING PAUSE %d %d %d
WARNING: Attempt to stop NULL sound aborted
WARNING: Attempt to modify NULL sound aborted
OH DEAR - pushing tune but we're still popping!
OH DEAR - No audio DMA buffers left
Replay turbo ....
turbo %d
No samples left
Dma not done
OH MY GOD
PUTTING SEMAPHORE
Getting SEMAPHORE
LOCKING KEYS!
*** CPU FAULT *** - UNFREEZING RDP?
DOING REALLY WELL
USING WRONG DIGGER
USING DIGGER INCORRECTLY
DIGGER WEIGHT NOT SET
OVERRUN GHOST DIGGER ARRAY
ASSERTION FAULT
TOTAL_SCROLL_LENGTH
!DUMMY_LEVELS
UNIT UP
PFS_FILE_SIZE
EEWRITE
EETIMES
MQ_IS_EMPTY
MAX_RSP_CMDS
AL_MAX_RSP_SAMPLES
YOSHI_DEMAND_OFF
YOSHI_OFF
NO_YOSHI_WINDOW
OS_MESG_NOBLOCK
M_AUDTASK
M_GFXTASK
RSP_STATE_SUSPENDED
LEVEL_SAVE_SIZE-4

Tons of debug related text. The Missile Carrier is called CMO and pacdozers are known as GHOST DIGGER.

Other#

English

German

REACTOR MELTDOWN!
KERNSCHMELZE

Meant to appear after the WARNING! message, but the final game uses COLLISION IMMINENT! instead.

INSERT CONTROLLER PAK OR PRESS START FOR A PASSWORD

Text related to the Controller Pak. The game does not use a password system; instead, without a Controller Pak, there is only one save file per cartridge.

***** YOU CAN STOP NOW!! *****

This text would have been displayed after collecting all 57 platinum medals, but was scrapped for unknown reasons.

GOING FOR NEW:%x
OLD:%x

Text with unknown purpose, perhaps related to your best time for a level.

Unused Music#

Moon - Warning! (0x24)#

Action themes don't play in bonus levels, which means that there once was a level that used the moon theme along with this unused song. This can be heard in the inaccessible level CMO Intro.

Moon - Ending Jingle #2 (0x3F)#

Each carrier level uses two different ending jingles. While the first one is used by default, the second jingle only plays when the player enters the Blast Corps semi at the end of a level. Since the Moon theme is only used in bonus levels, the second ending jingle can not be heard during normal gameplay. Interestingly, it doesn't play in the inaccessible level CMO Intro.

Unused Sounds#

Alternate Warning Sound#

Warning!
Many unused copies of the "Warning!" sound are present in the second sound bank.

Spike Dialogue (Sound No. 61)#

What's the matter with you?
This sound is found between "Give me a break!" and "You keep this up!". Where this could have been used is unknown.

Unused Instruments#

There are a few unused instruments, but most of them are just copies from other instruments.

ID

General Midi

File

0x1E

Distortion Guitar

0x1F

Guitar Harmonics

0x24

Slap Bass 1

0x2B

Contrabass

0x2C

Tremolo Strings

0x3E

Synth Brass 1

0x46

Bassoon

0x47

Clarinet

0x48

Piccolo

0x49

Flute

Version Differences#

Differences between Blast Corps and Blastdozer#

Promotion Cutscene#

International

Japan

Due to the game's different names, the star has "BD" on it in the Japanese version and "BC" elsewhere.

Backlash#

International

Japan

Due to the game's different names, the Backlash has "BD" on it in the Japanese version and "BC" elsewhere.

Blast Corps Semi#

International

Japan

Again, due to the game's different names, the semi's logo says BLASTDOZER in the Japanese version.

Platinum Medal#

International

Japan

Once again, due to the game's different names, the platinum medal has "BD" on it in the Japanese version and "BC" elsewhere.

American Version (v1.1)#

The updated US version patched a somewhat infamous glitch which involved parking a vehicle next to a destructible object/building so the player cannot exit said vehicle (denoted by a "D'oh!" sound when pressing Z to exit). Pressing Z multiple times would automatically destroy the building or object, including those that require TNT crates to be pushed into them.

Japanese Version#

The Japanese version not only patched the Z-trigger glitch, but increased the platinum medal time attack requirements for several levels. Other text and aesthetic changes were also made, although the text scrolls the same speed regardless of language.

European Version#

Along with patching the Z-trigger glitch and adding a language select, all medal times were increased by 20% and the game's refresh rate is 20% slower.

Rare Replay#

Based off the US v1.1 release, but has a few additional changes.

  • The N64 logo screen is skipped on startup, jumping straight to the 3D Rare logo.
  • The "©1997 Nintendo/Rare. Game by Rare" copyright text, as well as the N64 Controller displayed to show the controls, have both been removed from the intro.

A song used in various levels like "Skerries" and "Jade Plateau" has been completely erased from the game's data due to licensing issues, as it's a remix of the boss theme from Donkey Kong Land.

(Source: https://bsky.app/profile/krvavi.itch.io/post/3mhr3q3of3t2p)

The areas that previously used the track now play the "Simian Acres" theme instead.

Original DKL Track

US v1.1

Rare Replay