This web adaptation of Simon Tatham’s Portable Puzzle Collection includes some features and UI changes that are not included in the original.
Items with this symbol are considered experimental. Although functional, they’re likely to change significantly in future updates. (There’s also a slight possibility they might be removed entirely.)
This version allows you to save and return to arbitrary checkpoints within the undo history.
The command line options described in the manual are not available on the web.
However, you can provide game parameters or an ID or random seed in the
URL to particular puzzle: add ?type=params or ?id=id-or-seed. (From within
a game, look in the
(All changes to individual puzzles have been accepted back into the original collection.)