Saves (*.tpws, *.ints, *.lays)
Theme Park World stores saves with three different extensions.
These extensions are:
- TPWS: Standard save
- INTS: Initial save (e.g. for Instant Action mode)
- LAYS: Online save (for uploading parks)
File format
Header
| Size | Description |
|---|---|
| 4 bytes | Magic number - F4 01 00 00 |
| 823 bytes | Copyright Notice |
| 711 bytes | Padding |
File info
| Size | Description |
|---|---|
| 4 bytes | File type - 00 01 22 19 |
| 1 byte | File version - 85 |
| 1 byte | Online flag - 00 for offline, 01 for online |
| 2 bytes | Padding |
Data (compressed using ZLIB)
| Size | Description |
|---|---|
| 4 bytes | Magic number - BILZ |
| 4 bytes | Unknown |
| 4 bytes | Compressed length |
| 16 bytes | Unknown |
The ZLIB stream begins after this point, and continues to the end of the file.