The following are known Action Replay Codes for Marvin Strikes Back! on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Infinite Health
910659c8

Max Items
916360c8
916362c8
916364c8
916366c8
916368c8
91636ac8
91636cc8
91636ec8
916370c8
916372c8

Item Modifier
91xx61c8
91xx63c8
91xx65c8
91xx67c8
91xx69c8
91xx6bc8
91xx6dc8
91xx6fc8
91xx71c8
91xx73c8
01 – Life Atom
02 – Bubble Gum
03 – Radar
04 – Fun Fair Ticket
05 – Red Key
06 – Peice of Teleporter
07 – Dyn-o-mite
08 – Cybercard
09 – Jar of Honey
0a – Packet
0b – Block of Sulfur
0c – Crystal
0d – Radar 2
0e – Palm Oil
0f – Bat Wings
10 – Bag of Seeds
11 – Green Key
12 – Yellow Key
13 – Farmers Chest
14 – Ammo
15 – Radar 3
16 – Basket Ball
17 – Bannana
18 – Yellow Dyn-o-mite
19 – Saucer Entry Card
1a – Cheese
1b – Map
1c – Surprise Item
1d – Saucer
1e – Martian Ammo
1f – Saucer Battery
20 – Boat in a Bottle
21 – Crab

These codes have been collected from around the web and all credit goes to the original poster of the code. Notes associated with any code may be written by the original code creator. Some notes have been added or modified from their original source.

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.

Code Indexes for Nintendo Game Boy / Color (GB / GBC)

• Action Replay Code Index for Nintendo Game Boy / Color (GB / GBC)
• GameShark Code Index for Nintendo Game Boy / Color (GB / GBC)
• Game Genie Code Index for Nintendo Game Boy / Color (GB / GBC)

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