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The WonderSwan is a handheld game console developed by Gunpei Yokoi's company Koto Laboratory and Bandai. It was released in Japan on March 4, 1999, and is notable for its unique design, allowing gameplay in both vertical and horizontal orientations. The WonderSwan was powered by a 16-bit NEC V30 MZ processor and featured a monochrome LCD screen capable of displaying eight shades of gray.
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![Fire Pro Wrestling (J) [M]](https://i.987967.xyz/screenshot/99/v/31501_7f80f675ffab5d570cef22e3f34b384135ba77fe.png)
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![Clock Tower (J) [M][!]](https://i.987967.xyz/screenshot/99/h/31467_d2d1334b10da3ace5e02a3c3ccbb1e7d51a15ea1.png)
![Digimon Digital Monsters (A) [M]](https://i.987967.xyz/screenshot/99/t/31479_ed91a57fc5fbd1c683fd18fe74be232f7e3c7c90.png)
![Mr. Driller (J) [!]](https://i.987967.xyz/screenshot/99/2018/09/07/31567_a659cf872d8510fb702a946cc67947654180c08a.png)
![GunPey (J) [M]](https://i.987967.xyz/screenshot/99/w/31519_f55f0b48ab3036702c17a4c1298c7b3279eb09dd.png)
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![Play Shogi Touryuumon (J) [M][!]](https://i.987967.xyz/screenshot/99/2018/02/28/31607_49444ad5e32faeff2fb4583067726c85336cf440.png)
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![Play Makai Toushi Sa-Ga (J) [!]](https://i.987967.xyz/screenshot/99/l/31552_a36ab2623485526b229e62b026f618b1d99ff433.png)
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![Play Inu Yasha (J) [!]](https://cdn.mobygames.com/f203162c-abfa-11ed-9fde-02420a000132.webp)
![Play Trump Collection Bottom Up Teki Trump Seikatsu (J) [M][!]](https://i.987967.xyz/screenshot/99/2021/10/04/31632_4f2eb8226f6682400b88d3e3d278c1c5c2202ff8.png)
![Play Sotsugyou (J) [M]](https://i.987967.xyz/screenshot/99/f/31612_0dcd1e2a4e751538b02c257bf6bb41b4b1cdd17f.png)
![Play WonderSwan Handy Sonar (J) [M]](https://i.987967.xyz/screenshot/99/x/31646_4157d59373dbfed64a2f99d423ddc8165e140317.png)
![Play Moero !! Pro Yakyu Rookies (J) [M]](https://i.987967.xyz/screenshot/99/2018/10/29/31565_267eb9ee1d73ca236eafb7fe7347102590489884.png)
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![Play Itou Jun Ni Uzumaki Noroi Simulation (J) [M][!]](https://i.987967.xyz/screenshot/99/2022/04/21/31533_b813f1c5113912501d9c75e629c2d0071a732540.png)
![Play Rhyme Rider Kerorikan (J) [!]](https://cdn.mobygames.com/0d0b7d34-ab6e-11ed-ab77-02420a000198.webp)
![Play Kinniku Man Second Generations Dream Tag Match (J) [!]](https://i.987967.xyz/screenshot/99/e/31540_daf31aea7c5ed7d27db27dd30d36bf4445438406.png)