Gemduck Glimvessa: Light Logic

Place fireflies, solve habitat logic and light up a moonlit garden.

One firefly in each habitat, row and column. They cannot touch, even diagonally. Lanterns are fixed. Mark squares you want to exclude.

Enjoy a small, handcrafted world with clear step-by-step guidance, helpful undo and saved progress. Play at your own pace, revisit levels and take on the daily challenge.

Includes original illustrated artwork, gentle music and adjustable sound, vibration and motion. Choose from 15 interface languages. Bundled gameplay works offline; advertising, purchases and updates need internet access.

Free to download. Contains occasional interstitial ads and optional rewarded ads. An optional one-time purchase removes ads. Usage statistics are optional and can be switched off in Settings. No account is required.