Sudoku Classic & Killer

Sudoku Classic & Killer

⭐ New

About game

Staring at a blank screen during your coffee break usually leads to mindless scrolling, but you can sharpen your mind instead. Sudoku Classic & Killer turns those wasted minutes into a satisfying mental workout. You start by selecting between the traditional grid layout or the intense cage-based challenges. Placing numbers requires careful deduction to ensure every row, column, and block contains digits from one to nine without repeats. Killer sudoku adds a layer of complexity where you must hit specific target sums within marked areas. Choosing your preferred difficulty level helps you stay within your comfort zone or push your limits. Daily challenges keep things fresh by giving you a new puzzle to conquer every morning. You can use pencil marks to track possibilities or grab a hint when the logic hits a wall. Jump into Sudoku Classic & Killer right in your browser without any annoying downloads.

How to play

Choose a mode: Classic or Killer. Tap an empty cell and select a digit from 1 to 9. Each row, column and 3×3 box must contain unique digits. In Killer mode, the digits in each cage must add up to the displayed sum. Use the notes button to pencil in possible candidates. The hint button reveals the correct digit. You have 3 lives — three mistakes and the game is over.

Features

  • Note-taking system: Toggle the pencil icon to jot down potential digits in cells before committing to a final answer.
  • Multiple difficulty settings: Adjust the grid density and starting clues across four distinct tiers ranging from beginner to expert.
  • Targeted cage mechanic: Solve arithmetic equations within highlighted zones to satisfy the specific constraints of the killer mode.
  • Life system: Keep your focus sharp because three incorrect entries result in an immediate game over.

Who is this game for

Logic enthusiasts and number crunchers seeking a mental edge will find their groove here. Casual players who enjoy a quick brain training session during commutes or breaks will appreciate the straightforward interface. If you value pattern recognition and simple arithmetic puzzles, this platform provides the exact stimulation you need.

Controls

Select cell: Tap any empty square on the grid to highlight it.
Input digit: Tap the number buttons at the bottom of the screen to fill a cell.
Pencil notes: Toggle the notes button to input small candidate numbers for strategy.
Use hint: Tap the hint icon to reveal the correct digit for a problematic square.

FAQ

How do I win at Sudoku Classic & Killer?

Fill the grid so every row, column, and 3x3 square contains digits one through nine once. In killer levels, you must also ensure the numbers in each cage sum up to the target total.

Can I play Sudoku Classic & Killer on my phone?

Yes, the game is fully optimized for mobile browsers. You can play Sudoku Classic & Killer on any touch device simply by tapping the screen to select cells and input numbers.

Video

Sudoku Classic & Killer — trailer

Screenshots

Sudoku Classic & Killer — screenshot 1Sudoku Classic & Killer — screenshot 2Sudoku Classic & Killer — screenshot 3Sudoku Classic & Killer — screenshot 4Sudoku Classic & Killer — screenshot 5Sudoku Classic & Killer — screenshot 6

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