Follow the Killer^2 by Antichaos

Size:

Diagonal ⟍ Diagonal ⟋
Outside clues Outside clues (top/left)
Size 4x4 Size 6x6 Size 8x8
*Default size is 9x9

White space:

　　　

Update display button only affects the following properties:

Display size:

Gridlines:

Solid line Dotted line None

Gridpoints:

Yes No

Outside frame:

Yes No

Solution will check for the following:

App Display
Display Theme:
Display Layout:

Timer:
Puzzle Display
Sudoku Pencil Marks:
Sudoku Normal:
Outline on Text:
Star Battle Dots:
Surface Second Color:
Tools
Custom Colors:
Floating Panel:
Quick Panel Button:
Export
Auto-Shorten Links:
Input Options
Mouse Middle Button:
Reload Protection:
Conflict Detection:
Check pencil marks:

Any color can match green line/edge in solution:
Sudoku Z/Y & XCV Keys:
Saving/Storage
Saved Settings:
Auto-save puzzle in browser history:
Local Storage:	Your browser has disabled or doesn't support local storage.

Ctrl + z: Undo
Ctrl + y: Redo
Ctrl + d: Clone
Ctrl + i: To copy the previous number/alphabet/symbol from Number mode with PANEL: ON
Ctrl + Space: Delete numbers and symbols at the same time
Shift + Space: Enter a space (Works in "Number" Mode => "L", "M", "S" and Long" SubMode options only)
Ctrl + a: Select all cells
Alt + drag: For rectangular selection
F2: Problem mode
F3: Solution mode
F4: Hide/Show Timer
Tab or Enter: Cycle Input Tools
ESC: To clear selection or exit open dialogues
?: Show keyboard shortcuts

Use number keys 0 - 9 to fill colors in the selected cells. switch between styles. For styles 11 and 12, press ALT+1 or ALT+2 respectively.

z: Normal Submode*
x: Corner Submode*
c: Centre Submode*
v: Shading*
Shift: For Temporary Corner Submode
Shift + Delete: Deletes only corner pencil marks from the selected cells
Ctrl - For Temporary Centre Submode / Selecting Multiple Cells/ Deselecting selected cells
Ctrl + Delete: Deletes only centre pencil marks from the selected cells
Delete: To delete all the contents of the cell
Space: To delete only the selected submode contents. (E.g. If the cell contains both centre and corner pencil marks, and if the current submode selection is "Corner submode", the pressing Spacebar would delete only the corner pencil marks)
Double click: Double clicking the number in a cell will select all instances of that number. (applies to number mode as well)

Use number keys 0 - 9 to quickly switch between styles. For styles 11 and 12, press 1 and the second digit in quick succession.

Image URL:

X position:
Y position:
Width:
Height:
Opacity:
Draw in foreground:
Mask out white from image:
White mask threshold:

Surface - Match exact colors:
Shading - DG (Dark Grey), GR, LG, BL (Black):
Number - Normal, L, M, S - Green, Blue, Red Sudoku - Normal, Centre - Green, Blue, Red:
Line - Match exact styles:
Line - Green, Double only:
Line - Ignore Given Line Segments:
Line - Match exact styles:
Line - Green, Double:
Edge - Match exact styles:
Edge - Green, Double:
Edge - Ignore Edges on Grid Border / Givens:
Edge - Match exact styles:
Edge - Green, Double:
Wall - Green:
Shape - Shape - Square - Option 2:
Shape - Shape - Circle - M size - Options 1 & 2:
Shape - Shape - Corner triangle - Options 1 to 4:
Shape - Arrow - Small - Options 1 to 8:
Shape - Number - Math - Black, Green - Options 2 & 3:
Shape - Special 1 - Battleship - Black - Options 1 to 6 and Curvy Black - Options 1 to 4:
Shape - Special 1 - Tent - Option 2:
Shape - Special 1 - Star - Options 1 to 3:
Shape - Special 2 - Lightbulb - Option 3:
Shape - Special 2 - Minesweeper - Option 4:

00:00:00:00:0

Mode: Sudoku

00:00:00:00:0

Mode: Sudoku

New Grid

Board type:

Size:

White space:

*Update display* button only affects the following properties:

Display size:

Gridlines:

Gridpoints:

Outside frame:

Resize

Add/Remove Rows/Columns:

Set Background Image

Save screenshot

White border:

Image quality:

File Type:

Title & Author:

Rules:

Rotate / Move / Add / Remove

Rotate:

Flip:

Move:

Add/Remove Rows/Columns:

Share Puzzle

Puzzle Information

Generate URL

Add/Remove Genre Tags

Extended Output

Solution will check for the following:

Custom Message

Header

Share Replay

Input/Output Sudoku String

Load URL

General Settings

Keyboard Shortcuts

In Multicolor Mode

In Sudoku Mode

In Surface Mode

Welcome to Penpa+

Usage

Development

Sudoku/Puzzle Rulesets

Update display button only affects the following properties: