Monster in My Pocket

Not to be confused with Pocket Monsters, otherwise known as Pokémon.

Level Select
The Game Genie code enables an input code to access a level select. On the screen to select the amount of players who will play (1 Player, 2 Players), enter the following code: Right, Left, Down, Up, B, A. If done correctly, you will hear a tone. Choose your character as normal and you can pick every level in the game, except for 6-3, curiously. Note that 6-3 can be selected, but it will not bring you there. The controls are as follows:

Sound Test
At the copyright screen, but before the title screen appears, press and hold Right + A + B + Start and wait. Instead of title screen, a sound test mode will be triggered. If you don't want to wait, hold additionally the Select button.

Press Up / Down to select a music track, press A / B to start or stop playing.

Complete list of the tracks:


 * "Get out from a Pocket"
 * "Twist and Select"
 * "Warlock Eyes"
 * "Theme of Mm's"
 * "Dancin' in the Kitchen"
 * "Cola Float"
 * "Monster Rap"
 * "Asia Club"
 * "Earthquake"
 * "Theme of Emm's"
 * "Boss World"
 * "Theme of Warlock"
 * "Monster Happiness"
 * "Monster Boogie"
 * "I'm Down"
 * "Stage Clear"

Build Dates
At the end of the PRG ROM, there is a string with information on the game's compilation date and status: MAST911001 Similar strings are found in many other Konami games.

"MAST" means it's the "master" version of the game, and the numbers are the compilation date. So, this version was finished on October 1, 1991.