page_title: Game Boy family
section_title: Game Paks
hierarchical_section_title: Game Boy family / Game Paks
caption_attribution_description: English: A blanked-out cartridge for the Nintendo Game Boy Color handheld console. This is the clear version, which denotes that it is specifically for the Game Boy Color platform and cannot be played on standard Game Boys.
context_page_description: The Game Boy family is a line of handheld game consoles developed, manufactured, released and marketed by Nintendo, consisting of the Game Boy and its revisions, the Game Boy Color and the Game Boy Advance family. The product line has sold over 200 million units worldwide.
  The original Game Boy and Game Boy Color combined sold 118.69 million units worldwide. All versions of the Game Boy Advance family combined have sold 81.51 million units. All Game Boy systems combined have sold 200.20 million units worldwide.
  The Game Boy line was succeeded by the Nintendo DS line. A number of Game Boy, Game Boy Color, and Game Boy Advance games have been rereleased digitally through the Virtual Console service for the Nintendo 3DS and Wii U.
context_section_description: Each video game is stored on a plastic cartridge, officially called a "Game Pak" by Nintendo. All cartridges, excluding those for Game Boy Advance, measure 5.8 by 6.5 cm. The cartridge provides the code and game data to the console's CPU. Some cartridges include a small battery with SRAM, flash memory chip, or EEPROM, which allows game data to be saved when the console is turned off. If the battery runs out in a cartridge, then the save data will be lost, however, it is possible to replace the battery with a new battery. To do this, the cartridge must be unscrewed, opened up, and the old battery would be removed and replaced. This may require desoldering the dead battery and soldering the replacement in place. Before 2003, Nintendo used round, flat watch batteries for saving information on the cartridges. These batteries were replaced in newer cartridges because they could only live for a certain amount of time.
  The cartridge is inserted into the console cartridge slot. If the cartridge is removed while the power is on, and the Game Boy does not automatically reset, the game freezes; the Game Boy may exhibit unexpected behavior, such as rows of zeros appearing on the screen, the sound remaining at the same pitch as was emitted the instant the game was pulled out, saved data may be corrupted, and hardware may be damaged. This applies to most video game consoles that use cartridges.
  The original Game Boy power switch was designed to prevent the player from being able to remove the cartridge while the power is on. Cartridges intended only for Game Boy Color (and not for the original Game Boy) lack the "notch" for the locking mechanism present in the top of the original cartridges, preventing operation on an original Game Boy (the cartridge can be inserted, but the power switch cannot be moved to the "on" position). Even if this was bypassed by using a Game Boy Pocket, Game Boy Light, or Super Game Boy (and its Japanese-only follow-up), the game would not run, and an image on the screen would inform the user that the game is only compatible with Game Boy Color systems. One exception would be the Kirby Tilt 'n' Tumble game: despite the game cartridge featuring a notch, enabling it to be inserted on the original Game Boy, the game displays an error message indicating that it only plays on Game Boy Color. Chee Chai Alien and Pocket Music are incompatible with Game Boy Advance models, displaying an error message indicating that they only play on Game Boy Color.
  Game Boy Advance cartridges used a similar physical lock-out feature. Notches were located at the base of the cartridge's two back corners. One of these notches was placed as to avoid pressing a switch inside the cartridge slot to help stabilize it. When an older Game Boy or Game Boy Color game was inserted into the cartridge slot, the switch would be pressed down and the Game Boy Advance would start in Game Boy Color mode, while a Game Boy Advance cartridge would not touch the switch and the system would start in Game Boy Advance mode. The Nintendo DS replaced the switch with a solid piece of plastic that would allow Game Boy Advance cartridges to be inserted into Slot 2, but would prevent an older Game Boy or Game Boy Color cartridge from being inserted fully into the slot.
  Excluding game-specific variations, there are four types of cartridges compatible with Game Boy systems:
  Grey cartridges (Also known as class A) are compatible with all Game Boy systems, excluding Game Boy Micro. All original Game Boy games are of this type. Some of these cartridges are in alternative colors, such as red or blue for Pokémon Red and Blue, and yellow for the Donkey Kong Land series. The games on these cartridges are programmed in black and white; the Game Boy Color and later systems provide selectable color palettes for them. Some grey cartridges that were released between 1994 and 1998 have Super Game Boy enhancements. Even fewer grey cartridges were released with built-in features that made them protrude from the slot, but included the notch to be compatible with the original Game Bo
caption: The clear Game Boy Color Game Pak
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