997 B
997 B
puz format specifications
Foreword
The AcrossLite format is not publicly documented. This specification was built by probing dozens of puz files and is a living document that will be update as new sections of the format are figured out.
Format
The puz file format is a binary blob with latin1 encoding.
Header
The header section is consistently 52 bytes long.
| Label | Start offset | Length (bytes) | Notes |
|---|---|---|---|
| Puzzle width | 0x2c |
1 | Self-explanatory. |
| Puzzle height | 0x2d |
1 | Self-explanatory. |
Body
The body of the puzzle starts consistently at offset 0x34.
| Label | Start offset | Length (bytes) | Notes |
|---|---|---|---|
| Solution | 0x34 |
width * height |
Based on the height and width, the solution is written out as ASCII. |
| Layout | (end of the solution) | width * height |
The layout of the grid is defined with . used as "empty cell" |
| Clues | (end of the layout) | ??? | NUL separated strings containing each of the clues, not numbered. |