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photopia

n. Normal daylight vision, in which the cone cells are used

Wikipedia
Photopia

Photopia is a piece of literature by Adam Cadre rendered in the form of interactive fiction, and written in Inform. It has received both praise and criticism for its heavy focus on fiction rather than on interactivity. It won first place in the 1998 Interactive Fiction Competition. Photopia has few puzzles and a linear structure, allowing the player no way to alter the eventual conclusion but maintaining the illusion of non-linearity.