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Play is designed for a desktop browser with a mouse and keyboard. Touch devices are not fully supported yet.

10/2/2026

by Nude York Times

[Original at sudokupad.app]

4

2

3

5

7

1

9

7

7

9

8

7

1

2

6

9

8

1

3

4

6

2

3

Start a fresh board? Your current progress is kept in your playthroughs list.

High/Low

High/Low+

Odd/Even

Entropy

Entropy+

Modular

Manual

None

Marks

Settings

Highlight conflicting numbers

Check pencil marks

Celebrate 3 in the corner

Pause timer when tab loses focus

Check on completion

Cmd/Ctrl+0 resets browser zoom (off: enters a center mark 0)

Auto-coloring layers

High/Low

High/Low+

Odd/Even

Entropy

Entropy+

Modular

Manual

None

Copy colors to Manual

Copy the active auto-coloring layer's colors into the Manual layer.

Norm Dokes.

Keyboard shortcuts

Entering values

Enter a digit (as the entry mode says): 1–9
Corner pencil mark: Shift+1–9
Center pencil mark: Ctrl/⌘+1–9
Full digit, whatever the mode: Ctrl/⌘+Shift+1–9
Reset browser zoom (a Settings toggle: off, it enters a center mark 0): Ctrl/⌘+0
Toggle a color: Alt/⌥+1–9
Enter a letter (while letter mode is on): A–Z
Clear the selected cells (each press goes one layer deeper): Backspace or Delete
Cycle the entry mode: normal, corner, center, color: Space
Undo: Ctrl/⌘+Z
Redo: Ctrl/⌘+Shift+Z

Selecting cells

Move the selection: ←↑→↓
Move the selection (not while letter mode is on): WASD
Extend the selection: Shift+Arrow
Select all cells: Ctrl/⌘+A
Select a cell, or drag across several: Click or Drag
Add to the selection: Shift/Ctrl/⌘+Click

Tools

Keyboard shortcuts: ?
Fast Color: F
Toggle Painted Numbers: P
Mark for Bifurcation: M
Keep moves since the mark: K
Discard moves since the mark: N
Previous / next auto-coloring layer: [ or ]

Press ? or Esc to close.

10/2/2026

By Nude York Times

Norm Dokes.