Companies

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OXiAB Game Studio

OXiAB Game Studio is associated here with the Wii U game Canvaleon. Nintendo's product page names OXiAB as publisher, and a founder's interview recounts how the team conceived and developed the title before bringing it to Wii U. Players guide the chameleon Canvas and use painted camouflage colours to blend into environments and avoid hazards. The catalogue counts one canonical game for its development and publishing roles, without adding other projects mentioned in the interview. The closure year in the former generic profile is not established by the reviewed sources and is not repeated; legal details and later organizational status remain unverified.

Collected games: 1

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OMOCAT

Nintendo's Switch listing credits OMOCAT as both developer and publisher of OMORI, and Nintendo's announcement describes the creator's involvement in producing, writing, directing and programming the game. OMORI moves between contrasting worlds through exploration and turn-based encounters. This catalogue currently records only the development relationship for one canonical game; the publisher role is left for a separate association review. Creator, studio-brand and legal-entity names should not be collapsed without identity evidence.

Collected games: 1

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Onion Software

Onion Software is credited with developing the 1990 Game Boy game Hong Kong. Platform-specific release data identifies Onion Software as developer and Tokuma Shoten as publisher, while an independent company record also links the team to the title. This catalogue currently counts one canonical game for the studio. The available evidence is about that work and edition, not a basis for inventing a founding date, current status, or further catalogue credits.

Collected games: 1

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One Man Band

One Man Band is associated here with the Game Boy Advance title Cartoon Network Block Party. Its original credits identify a distinct team covering programming, art and music, while Monkeystone Games also has development credits and Majesco is listed as publisher. The catalogue counts one canonical game for this co-development contribution, not sole authorship, character licensing or publishing. The abbreviated local entry is retained; the reviewed game credits do not establish a fuller company history.

Collected games: 1

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Overkill Software

Overkill Software is linked here to PAYDAY 2 on Xbox 360. Publisher 505 Games explicitly named Overkill as developer for the Xbox 360, PS3 and PC versions in a contemporary announcement, and the studio's current group profile confirms its work on the PAYDAY series. This catalogue counts one canonical game with a checked development relationship. It keeps 505's publishing role separate and does not project later updates on other platforms back onto the original Xbox 360 edition.

Collected games: 1

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OnSkull Games

OnSkull Games is associated here with Alchemist: Journey of the Soul. Steam credits the label as both developer and publisher of the alchemy, exploration and puzzle game; a European PlayStation listing also shows PS4 and PS5 editions under the publisher name ONSKULL DEVELOPMENT. The catalogue counts one canonical game and does not infer worldwide PlayStation availability or merge the two name forms into a legal identity without further evidence. The former generic country description is replaced with title-specific scope.

Collected games: 1