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Fio: 3D World editor/game engine – inspired by Radiant and Hammer

Fio: 3D World editor/game engine – inspired by Radiant and Hammer

Mar 27, 2026 Developer Tools

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Fio: 3D World editor/game engine – inspired by Radiant and Hammer

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A liminal brush-based CSG editor and game engine with unified (forward) renderer inspired by Radiant and Worldcraft/HammerCompact and lightweight (target: Snapdragon 8CX, OpenGL 3.3)Real-time lighting with stencil shadows without the need for pre-baked compilation

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