Action Replay Codes [US]

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