zenkari

zenkari is a native Akari (Light Up) puzzle app for iPhone and iPad. Place lanterns on open cells, satisfy numbered walls, and light the whole board — without two lanterns shining at each other.

CLASSIC RULES, MODERN PLAY • Touch-friendly grids with clear feedback, haptics, and optional conflict highlighting • Step-by-step tutorial for new players • Timer, marks, sound, and appearance options (system, light, or dark)

PUZZLE VARIETY • Standard Akari plus variations such as coloured light, mirrors, twins, queens (diagonal rays), regional boards, and hex grids • Procedurally generated boards by difficulty and size • Bundled puzzle packs and import support

DAILY CHALLENGE & GAME CENTER (OPTIONAL) • A new puzzle each day with a target time • Leaderboards, achievements, and fastest-time previews per board size • Game Center sign-in is optional — core solo play does not require an account

ACCESSIBILITY • VoiceOver labels on the grid • Dynamic Type in navigation and settings • Reduce Motion support

PRIVACY Saved games, settings, and local progress stay on your device. The app may show ads to help keep zenkari free. See the privacy policy for details on advertising, analytics, and App Tracking Transparency.

Akari and Light Up refer to the puzzle type. Nikoli and other third-party names are trademarks of their respective owners.