A game of interference
You cannot shoot. You are a wave. Throw anchors and the space between you fills with interference: bright fringes shatter crystals, dark lines are safe.
Touch and gamepads work too. Drawn live, the way a polarising microscope sees crystals; every colour comes from the Michel-Lévy interference chart.
Accessory slot
Press 1, 2 or 3.
Stage locked
Coherence lost
Ten slides
The geode is dust. The stage turns on, into samples nobody has catalogued.
Light path interrupted
The browser dropped the WebGL context, usually after a driver hiccup or a long sleep.
No light path
Isogyre draws its field on the GPU. Try a current version of Chrome, Edge, Firefox or Safari, and make sure hardware acceleration is switched on.