Catalog Spec
| Developer | SEGA |
| Release date in Japan | October 1990 |
| Media | ROM cartridge |
| CPU | ZILOG Z80A (3.58MHz) |
| RAM | 64Kbit |
| VRAM | 128Kbit |
| VDP | SEGA’s customized LSI |
| Sound | PSG 3ch + noise 1ch |
| List price in Japan | 19,800 yen |
GAME GEAR is the handhed videogame console released by SEGA in 1990. This is the first made-in-Japan gaming device with full color display. As the biggest feature of this device, 4,096 colors can be displayed simultaneously. Plus, it also enables to watch TV with the separately sold TV tuner device “TV auto tuner pack”. This device was designed as the backward compatible machine of SEGA Mark III. Therefore, because SEGA Mark III had the certain market share in some countries including USA and Brazil, the third party company officially released “Master gear onverter” which SEGA Mark III can be played in GAME GEAR.
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