Here is my awesome game genie experimental code website for game boy.
Super Mario Land
weird bricks in a line
34e-b5d
732-b39
13c-b28
stuff across top of menu
c04-d4b
048-d8e
715-d24
mushroom that does not move and you can stand on on ground
82d-f49
832-f39
81b-fca
get a mushroom and hit the bottom of the bug the first time he jumps then you get 999999... points
4d2-10a
4b9-1ac
4b9-1ba
coins that pop out of boxes disapear and tiny mario makes blocks turn brown
ac4- 3ff
211-35d
8f8-3bb
Please email me your experimental codes and things at and if you want to make codes for game boy color please remove a game boy cartridge after the duh duh duh duh duh duh. If you want codes to more likely be codes make them six digits.I will only update if I get emails.