What is Gameboy Multicart
What is a Nintendo GameBoy Advance Multicart / MultiGame
GameBoy Advance / GBASP Multicart sometimes also called a MultiGame
cartridge is a game cart that from outside looks just the same
as any regular GBA card but inside has considerably larger memory
that lets us store multiple games on a single cartridge.
Gameboy
games on the cartridge are exactly the same as the ones you can
buy in single game cartridges - there is no different in gameplay
and all the options like saving the game progress and multiplayer
linking works exactly the same as in single game pack. Now in addition
to GBA games in the free pace left on the cartridge manufactures
can include ported classic games from NES, SEGA, Atari, SNES and
other consoles. Because the old console games use up less space
it is possible to fit a lot of them on one modern GBA cartridge
so making games like Nintendo classic Zelda, Mario and Metroid
portable.
Multi Cartridges are compatible with Gameboy Advance, GBA SP, Gameboy Micro, Nintendo DS and DS Lite consoles, but note that on the DS console the multiplayer option will not work as they no longer have GBA link port.
Read more about How
GBA MultiCarts work 
Take a look at our Gameboy Multicarts Catalog 
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