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The Afterburner installed on a GBA, showing internal lighting.

Other accessories for the Game Boy Advance are:

Afterburner: The Afterburner was an internal front-lighting system. The installation consisted of disassembling the system, removing some plastic from the interior of the case, attaching the lighting mechanism to the screen, and soldering two wires to the motherboard for power. Optionally, apotentiometer or an integrated circuit could be added to allow adjusting the brightness of the light. When the initial version of the Game Boy Advance SP was released, it included a very similar integrated lighting system. This was replaced in the subsequent version of the Game Boy Advance SP with a backlit display.

Halo Light: The Halo light was an external front-lighting system that replaced the screen protector/lens of the GBA. The Halo had an external power adapter that connected to the link port, it featured on/off functions with a dimmer and a pass-through connector so other devices could be connected to the link port.

GBA Movie Player: The GBA Movie Player is a versatile gaming cartridge that allows users to play NES/Famicom games, watch movies, read .txtfiles, listen to sound clips, etc. The GBA Movie Player does not actually play MPEGS or MP3s directly, a freeware conversion software is needed, that converts an array of formats into GBM and GBS formats that are compatible with the GBA Movie Player. There are two forms of the GBA Movie Player with one using a CF (Compact Flash) card and one using an SD (Secure Digital) card, though different companies have made their own devices similar to the GBA Movie Player.

GBA TV Tuner: It makes the portable system into a portable television. There are several versions available, which are made by different companies. The most popular TV Tuner requires a cartridge inserted in the Tuner to start up. The TV Tuners can store up to 99 channels.

GameShark: The Game Boy Advance version of the GameShark, programmed only to work with Game Boy Advance games as making the device take Game Boy Color cartridges too would have made it expensive. This cheat device allowed users to change the code in their games to create cheats. Codes could be entered by hand or uploaded to the device itself with the provided USB cable and software.

Action Replay: A cheating device like the GameShark, the Action Replay was sold mainly in Europe. It has a few extra features as well as an updated interface.

Action Replay MAX Duo: This was an update to the Action Replay for Game Boy Advance. Not only did it function as an Action Replay, but for DS users, it could hold premade game saves or "powersaves" that could be downloaded from the Action Replay site as well as user made saves. It did not, however function as a cheat device for Nintendo DS games; it was only for data backup.

Worm Cam: This device by Nyko attached to the top of the Game Boy Advance and connected into the link port of the GBA. This device functioned as a digital camera which allowed digital pictures to be taken. The snapshots could then be uploaded to a PC with the USB cable and software provided. This camera's strange shape prevented it from being used with the GBA SP.

DigiCam SP: This camera attachment was also made by Nyko and was essentially the Worm Cam for the Game Boy Advance SP. This add-on would slide on to the top half of the GBA SP (behind the screen) and a small plug would be connected into the link port.

DataBoy: This cartridge plugs into the GBA game slot and converts the Game Boy into an RS-232 data scope (also known as serial line monitor or protocol analyzer). Users can play GB games, GBC games, and GBA games on it.