Password Battle Bull Game Boy

Battle Bull is a vertical scrolling action video game developed for the Nintendo Game Boy Classic. It was released in 1990 in Japan and 1991 in North America.

Player controls the pilot of an excavator vehicle competing in a tournament of 48 levels, all with a common denominator: dig, dig and dig. You can kill rival pilots and to do this you have to push huge boulders that crush them. Many of these boulders are still part of the cave and cannot be moved.
You earn money at the end of each level as well the money is then used to upgrade and develop their vehicle. You can buy engines, extra lives, shovels that can dig better and more and more powerful weapons. To pass the current level, a "killer ratio“, A quota of kills that must necessarily be reached to move on to the next stage.

PASSWORD OF THE LEVELS
Level 1 LK **
Level 2 LP **
Level 3 LT **
Level 4 LZ **
Level 5 L3 **
Level 6 L7 **
Level 7 L ***
Level 8 WF **
Level 9 WK **
Level 10 WP **
Level 11 WT **
Level 12 WZ **
Level 13 W3 **
Level 14 W7 **
Level 15 W ***
Level 16 6F **
Level 17 6K **
Level 18 6P **
Level 19 6T **
Level 20 6Z **
Level 21 63 **
Level 22 67 **
Level 23 6 ***
Level 24 FF **
Level 25 FK **
Level 26 FP **
Level 27 FT **
Level 28 FZ **
Level 29 F3 **
Level 30 F7 **
Level 31 F ***
Level 32 QF **
Level 33 QK **
Level 34 QP **
Level 35 QT **
Level 36 QZ **
Level 37 Q3 **
Level 38 Q7 **
Level 39 Q ***
Level 40 1F **
Level 46 17 **
Level 47 1 ***
Level 48 $ F **