by All Striking · Free · Contains ads · In-app purchases
Unlimited hand-verified puzzles with a guaranteed unique solution. From your first coffee break solve to expert-level marathons — hints when you need them, undo when you don't.
Get it on Google PlayEvery puzzle is generated and verified to have exactly one solution — no guessing required.
Easy, Medium, Hard and Expert, tuned by the number of starting clues.
Out of ideas? Hints reveal cells that are logically forced — never random.
Every move is recorded. Step back through your whole game.
Cosmetic themes and a true dark mode that respects your system setting.
English, العربية, हिन्दी, Español, Deutsch and සිංහල.