Bend a beam of light to its target.
PrismaRay is a laser-optics puzzle. Guide a single ray from its emitter to every receiver by placing and rotating real optical elements on the grid. Drop a mirror, tap to aim, and watch the beam trace live. When the whole board lights up, you feel it.
It starts gently with mirrors. Then the light gets interesting: corner reflectors that send the beam straight back, prisms that shift it sideways, splitters that fork it in two, polarizers that only pass one axis, frequency doublers that change its color, and galvo mirrors that flip every time they are hit. Sixteen optical elements in all, each with honest physics of color, intensity and polarization. Mixing them is where the real puzzles live.
100 levels that climb steadily. Every level is checked by a solver before it ships: one intended solution, no shortcuts, and never easier than the level before it. Past level 100, the Beyond chapter keeps generating fresh boards that pass the same checks.
Stars that mean something. Each level has a par. Solve within par with no hints for three stars. Stars open the next chapter, so a perfect run matters.
Ranks and unlocks. Every solve earns XP across ten ranks, from Apprentice to Grandmaster. Ranks and finished chapters unlock board skins and beam tints.
A new ladder every day. Three tiers, Easy, Medium and Hard, the same puzzles for everyone. Clear all three to keep your streak, fill the five-week calendar, and share a result card without spoiling the solution.
A lab notebook. Every optic you meet gets a page: how it bends the beam in the game, and what the real thing does on an optical bench.
Build your own. The level editor lets you paint emitters, targets, walls and optic slots, test your beam live, then share your creation with a single code.
Play your way. Zen mode has no timer. Arcade keeps the countdown. Four board skins, four beam tints, a hint bank that refills over time, and optional reminders you control.
Made to be played by everyone. Color-blind palettes (deuteranopia, protanopia, tritanopia) with letter cues on colored beams and targets, VoiceOver labels, Reduce Motion, adjustable haptics, and full Dynamic Type.
No ads. No in-app purchases. No accounts. No tracking. Just light and logic, and it plays fully offline.
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Support: https://sourcefrenchy.github.io/prismaray-pages/support.html
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