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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.
![Bakusou Dekatora Densetsu (J) [M][!]](https://i.987967.xyz/screenshot/99/p/31456_141bb44802f5501aa460da002ba7302b2935f773.png)
![Anchor Field Z (J) [M]](https://i.987967.xyz/screenshot/99/m/31454_c96aaa0487cbe10f08171bbc493aa5f5a0370aff.png)
![Blue Wing Blitz (J) [M]](https://i.987967.xyz/screenshot/99/e/31459_30b511e3fb9783e5a69108af0d495b7153cd7b18.png)
![Bokan Densetsu Buta Mo O Daterya Doronbou (J) [M]](https://i.987967.xyz/screenshot/99/v/31460_7b2a3453e09825b2fc074bc7898204fb23675eeb.png)
![Alchemist Marie & Elie - Futari no Atelier (J) [!]](https://i.987967.xyz/screenshot/99/p/31469_14d56fe75095ba2b3591958997faf454f8a43699.png)
![Armored Unit (J) [M]](https://i.987967.xyz/screenshot/99/l/31455_69ae3d78265f8bec38aef09bf8097bbca3f0d43f.png)
![Cho Denki Card Battle Yofu Makai Kikuchi Shugo (J) [M][!]](https://i.987967.xyz/screenshot/99/j/31463_3dbd2f534f2fc2abd744ba2282271430cfc702c6.png)
![Beat Mania (J) [M][!]](https://i.987967.xyz/screenshot/99/x/31458_ced0d3e6c4f5db550d744b3fe8cfe93d916a21e1.png)
![Choujikuu Yousai Macross - True Love Song (J) [M][!]](https://i.987967.xyz/screenshot/99/u/31466_f3c94905eee4e4a9488d21e7de67e6bb6853d11b.png)
![Play Super Robot Taisen Compact (J) [!]](https://i.987967.xyz/screenshot/99/2023/01/15/31616_233f8e08a198831b29691c9d3fb68f55a2015668.png)
![Play Star Hearts (J) [!]](https://i.987967.xyz/screenshot/99/2018/05/29/31614_f52ef035f5dae1efbcda160305a2dbcdacebc3f7.png)
![Play Terrors 2 (J) [!]](https://cdn.mobygames.com/e0fa9a9e-ab64-11ed-b5c5-02420a00016f.webp)
![Play Trump Collection Bottom Up Teki Trump Seikatsu (J) [M][!]](https://i.987967.xyz/screenshot/99/2021/10/04/31632_4f2eb8226f6682400b88d3e3d278c1c5c2202ff8.png)
![Play Tanjou - Debut (J) [M][!]](https://i.987967.xyz/screenshot/99/v/31622_e5438ae445d511e77f6fbe121f48dc891d958f52.png)
![Play Sotsugyou (J) [M]](https://i.987967.xyz/screenshot/99/f/31612_0dcd1e2a4e751538b02c257bf6bb41b4b1cdd17f.png)
![Play Super Robot Taisen Compact 2 - Dai Ichibu - Chijou Gekidou Hen (J) [M]](https://i.987967.xyz/screenshot/99/2021/12/25/31618_9fe7457f3560fbd76794a265f329af9dee5e7ae3.png)
![Play Turntablist - DJ Battle (J) [M][!]](https://i.987967.xyz/screenshot/99/u/31633_b24fe6ddb8adcb5cb1caa286688db0f36269ec49.png)
![Play Wasabi Produce - Street Dancer (J) [M][!]](https://i.987967.xyz/screenshot/99/f/31639_eb150e507e3b262ad477deb5ebc65bbe1d22b2f4.png)
![Play Wild Card (J) [!]](https://i.987967.xyz/screenshot/99/c/31640_09af87d82b442c55dfe1087ceade9e8e13d7ba7b.png)
![Play Umizuri Ni Ikou (J) [M][!]](https://i.987967.xyz/screenshot/99/d/31636_4e3a72bc9514b4d868f5675c65eeb08313a69b48.png)
![Play Wonder Stadium (J) [M]](https://i.987967.xyz/screenshot/99/f/31645_493447ef8caff28a4a2a3b0f52d087789a6cc695.png)
![Play Wonder Stadium '99 (J) [M]](https://cdn.mobygames.com/afdf3c0a-ab99-11ed-9ab3-02420a0001a0.webp)
![Play Wonder Classic (J) [M][!]](https://i.987967.xyz/screenshot/99/c/31643_b1c2ecaaf762d2e1bd8eac76826e98933ff515ec.png)
![Play With You Mitsumete Itai (J) [!]](https://i.987967.xyz/screenshot/99/2017/12/26/31641_100658024fab89d81e22bcb85e95fa5a04a85b2b.png)
![Play Tetsujin 28 Gou (J) [M]](https://i.987967.xyz/screenshot/99/2024/06/18/31627_e3c59c7683be5b87b5e8254afd56572c773c992d.png)
![Play WonderSwan Handy Sonar (J) [M]](https://i.987967.xyz/screenshot/99/x/31646_4157d59373dbfed64a2f99d423ddc8165e140317.png)
![Play X Card of Fate (TV Animation X) (J) [!]](https://i.987967.xyz/screenshot/99/v/31647_b60c1c4d164676af1951009175d3b1ff081662ec.png)
![Play Uchuu Senkan Yamato (J) [!]](https://i.987967.xyz/screenshot/99/s/31634_54164def06f44418b44d9453e40098be8d014b0d.png)
![Play Super Robot Taisen Compact 2 - Dai Nibu - Uchuu Gekishin Hen (J) [M][!]](https://i.987967.xyz/screenshot/99/2021/05/30/31619_4cb965a551b97fd0a6e852c67c3aff25b2cbae40.png)