BACKGameboy

Here you will find nothing but codes for the game boy

Battle Bull

Level 48 =$f**

Bomberman Gb

Battle mode= 5656

Start with all power up = 4622

Boxxie

Tenth floor= PBBP

Bugs bunny crazy taxi

Stage 80 = xho2

Bugs bunny crazy taxi 3

Final level= 97x3gw

A bug life

Level 8 =l59b

Mega man

Fire=a1,b1,b2,c4,d2

Cut=a2,b2,c3,b4,c4

Electicity=a3,b2,b3,b4,c4

Ice= a2,a3,b4,c2,c3

Men in black

Watch the ending=1943

NFL Blitz

Enter the following codes at the match up screen

Brick field= press start twice , A twice,start

No fumbles= press start four times, B twice, A three times,down

Infinite turbo= press start five times, B once , A four times, up

Operation C

Stage select= when the title screen appears press up, up, down, left, right, left, right, B,A,B,A,start

Pitfall:beyond the jungle

Caverns=fltywtrs

Volcano=gngdwn

Prison=slthhrng

Play action football

Los angelos=8hnhgfc98

San fransico= 8blk8mg87

Miami=fvcdvnjdc

Chicago= ddncfpjb9

Denver=dhnrlg898

r-type

Option screen=: At the title screen simultaneously press down and select to bring up an option screen. Press select to exit.

The smurf nighmare

Level 3= soap bubble,surprise,glasses

Speedy Gonzales

Level 6 = 522472

Star trek:the next generation

Ensign=q

Lieutenant=Barclay

Commander=ro_laren

Captain=Locutus

Tetris Blast

Fight the bosses= at the title screen prees b five times, then press start

Tetris DX

No preview= press select during play to make the preview dissapear

Wario Blast

The battle mini game= 6565=wario 5656=bomberman

Wario Land 2

Secret stage= start a new game and don’t wake up wario. The pirate will kick him out of the castle and the secret stage will begin