Two rays, one plan
Sun and moon use different symbols as well as colors.
Sunloom
Weave a little light.
Sunlight △Not connected0 / 1
Guide △ sunlight into the △ lantern.
Tap mirrors, then test the light.
Two kinds of light. One careful plan.
Tap a brass mirror to switch / and \. Each turn costs one move. Then test your route. Light every matching lantern in the same test.
Completed 0 / 12Best —
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What is Sunloom?
Sunloom is a single-player optical puzzle by Spunky Game. You arrange fixed brass mirrors in a glass atelier, then watch two kinds of light travel toward their matching lanterns. Linked gears make a small adjustment matter in two places.
How to play
- Tap a mirror to switch between / and \. Equal gear numbers turn together and cost one turn.
- Light travels horizontally or vertically. Mirrors reflect it; stones, edges, sources and lanterns stop it. Crossing rays do not mix.
- A light test costs one charge. All matching lanterns must connect in the same test; results do not accumulate.
- Success takes priority on the final turn or test. An unsuccessful test loses when tests or turns run out. Retry restores the fixed puzzle.
Controls
Click or tap a mirror. With a keyboard, use Tab to focus a mirror and Enter or Space to turn it. Use the labelled Test, Pause and Retry buttons. There are no global keyboard shortcuts. Pausing freezes the light playback; leaving the page pauses play.
Inside the workshop
Shared gears
A numbered pair changes together, so one repair can alter both routes.
Twelve fixed puzzles
Six stages build from one mirror to tight linked configurations. Every puzzle has a verified solution.
About this game
An original, free browser game from Spunky Game for desktop and touch screens, in 12 languages. No account or download. Local storage saves completed workshops, best scores and your selected level, not an unfinished run. A win scores 1000 plus 40 per unused turn and 120 per unused test.
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Questions at the workbench
Why did another mirror turn?
Mirrors with the same numbered gear form a linked pair. Either button flips both for one turn.
Can light paths cross?
Yes. The rays remain independent and keep their identities. A sun ray entering a moon lantern does not count.
Do lanterns stay completed between tests?
No. Every lantern must receive the correct light in the same test.
What happens when resources reach zero?
You can still test after your last turn. A successful final test wins. An unsuccessful test loses if no tests or no turns remain.
Can I undo or skip a workshop?
There is no undo or automatic solution. All twelve workshops are open for practice. Retry restores the original layout and resources.
Where is my progress saved?
Only in this browser on this device when storage is allowed. Private browsing, clearing data or changing devices can remove it. Changing language preserves the same save.