Light as a language, not a reward
How we teach players to read a room before we ask them to fear it.
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Most games use light to mark safety. In Threshold, it marks certainty—and certainty can be dangerous. A hard beam describes an object truthfully; reflected light reveals the version a room wants you to see.
We are building a visual grammar from angle, warmth, and duration. The player learns it without a tutorial, one quiet contradiction at a time.