Marvin Strikes Back!

Marvin Strikes Back!
Also known as: Looney Tunes: Marvin Strikes Back! (US Box), Looney Tunes Collector: Martian Revenge! (EU) Developer: Infogrames Lyon House Publisher: Infogrames Platform: Game Boy Color Released in US: November 23, 2000 Released in EU: November 24, 2000 This game has unused areas. This game has unused code. This game has hidden development-related text. This game has unused modes / minigames.

The sequel to "Looney Tunes Collector: Alert!" In this game, you get to play as Marvin the Martian (and sub-characters) and you hypnotize various Looney Tunes characters to join you to get revenge on Daffy Duck while collecting parts to fix your ship.

Unused Areas

Since this game is pretty much a ROM hack of the first game (Looney Tunes Collector: Alert!) and uses roughly the same overworld map, there's bound to be several underworld areas from the first game inaccessible in this game still buried in the game's code.

One of these unused areas is Bugs' house from the first game, complete with dummy text.

(Source: Shiny_)

Unknown Code

Press Select, Down, Up, Left, Left, Right and B at the title screen. A sound will play for correct entry, but the effect of the code is unknown.

(Source: Abystus)

Unused Minigame

There's an unused minigame (only?) in the US version called "Tetrski". To access it, use Game Genie code 890-4AA-F74 or change the byte at 0x1D104A to 0x89, then reset the game.

The face seen in the background, along with "ski" part of the name refers to programmer Laurent Krzywanski.

(Source: Shiny_)

Debug Texts

Found in the US ROM at 0x1740BD and in the European ROM at 0x1740C9:

OBJECTS
Object
CHARACTERS
DEBUG
DECOR
SPRITE
Pal
Col
R
G
B
Oui
Non

A debug menu (or sprite viewer) can be found inside the October prototype of Looney Tunes Collector: Martian Alert!.

Regional Differences

Title Screen

US	Europe