Companies

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Hidden Floor

Hidden Floor is associated here with the Game Boy Advance game Back to Stone. Release records name the team as developer while publication differs across regions. The protagonist gains an ability to turn enemies to stone after demonic experiments and uses it in combat and puzzles. This catalogue counts one canonical development link; regional publication is not attributed to Hidden Floor, and a broader company history is not inferred from this single verified title.

Collected games: 1

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Hempuli

Arvi Teikari's own press page describes his game-making work under the Hempuli name and lists Baba Is You among his releases. Steam uses the commercial credit Hempuli Oy in both its developer and publisher fields. The puzzle game lets players push word blocks that form rules, changing what objects do and how a level can be solved. This catalogue currently displays one canonical game with development and publication relationships under Hempuli. The personal handle and the company-form storefront credit should be documented as observed, not silently collapsed into an unverified legal-identity or company-type decision.

Collected games: 1

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Headfirst Productions

Headfirst Productions is linked here to the Xbox game Call of Cthulhu: Dark Corners of the Earth. A contemporary release announcement from 2K Games and Bethesda explicitly identifies Headfirst as developer. The first-person horror game combines investigation, puzzle solving, exploration and combat. This catalogue counts one canonical development association and keeps the publishing organizations distinct. Founding, closure and nationality statements from older generic copy are not repeated without separate historical verification.

Collected games: 1

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Hypnotix

Hypnotix is linked here to the Game Boy Advance game BMX Trick Racer. Platform and company release records name Hypnotix as developer and Simon & Schuster as publisher. The game combines BMX racing with stunt challenges and includes practice and multiplayer activities. This catalogue counts one canonical development association, not a publishing credit. Older generic founding and closure statements have not been independently checked in this batch; a year discrepancy in the imported release is also left out of the public profile pending separate reconciliation.

Collected games: 1

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Hero Concept

Hero Concept is credited for both development and publishing on the Mayhem Brawler Steam page, and its studio materials place the team in Istanbul. The game is a side-scrolling brawler with cooperative play and branching story choices. This profile covers the one canonical title currently linked in the catalogue and retains its two supported roles. A game-level association should not be read as a full breakdown of the work performed on every later platform edition.

Collected games: 1