# HEF — Alteration Simulator

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## Heads up — motion & flashing

This experience contains continuous motion, flashing, and shifting imagery. If you are sensitive to motion or flashing light, turn on “Reduce motion” in the panel before you begin.

Output Video Audio 0/10 Reduce motion 🌐
Altitude
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Turn the knob (drag it, or scroll) to change altitude — endless: past the deepest it wraps back up to the highest. Click a label to jump there.

Experience knobs (0–4) Think Feel Mood — dark ◀ 0 ▶ light
Dev Mode
Audio diagnostics
audio: off

Native player — tests the soundtrack file directly (bypasses all app code). If it plays here but the Audio toggle is silent, it's a code/autoplay issue, not the file.

Pool — pick a clip
Active clip

Annotations & affect
RenderPlan

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Cache & playback