Glow Grotto

Select a pebble lamp, then flip its marked plus-shaped group. Every marked lamp changes both ways.

Glow Grotto did not open.

The picture help and route back to all games are still here. Try loading the grotto again.

THREE GROTTOS GLOW

The final glowing cave stays above. Try the other starting patterns whenever you want.

LOOK AT TWO FLIPS

First choose a lamp. The dotted pebble lamps are the only ones that will change. A lit lamp can become dark, and a dark lamp can become lit.

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Games/Glow Grotto

Game guide

Select a cave lamp and flip its marked plus-shaped group to light all nine lamps.

Suggested age: Ages 6–10
Practice: Anticipating several reversible changes from one action and revising a pattern
Pace: Untimed; three grottos per session.
Controls: Keyboard, Touch
Reading: Short instructions and labels
Instruction help: Replayable corner and centre flip illustrations in Help. Spoken instructions are not included.

Select a lamp, inspect its marked neighbours, and flip that group. Light every lamp.

A grown-up can explain that every marked lamp flips both ways.

Spatial toggle relationships need interpretation.

Detailed access information

Keyboard: Native buttons for every action.
Touch: Lamp cells are at least 64px on a 320px phone.
Screen reader: Lamp state, selection, and affected groups are text. Manual review remains pending.
Timing: Untimed.
Motion: No required motion.
Sound: No sound.

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