Key Features
- Two client icons set the theme: negative element and marker
- Neutral wording — fits corporate and family events
- Pseudo-3D tiles with light, shadow and a bevel
- Difficulty fixed by the operator: 9×9, 14×14 or 18×18
- First tap is always safe; empty areas open in a wave
- Chord: tap a number to open its neighbours
- Tile colour drives the whole 3D look
- Background gradient or image, branded button colours
- Timer and a personal best per difficulty
- Portrait and landscape from one build
- Interface in five languages
