John Valentine
Site Map

About the Site Map

All subjects on this site are listed here, along with the most relevant pages in each subject.

Items marked with a star * are classed as archived. Rather than remove old content, we retain it for returning visitors and for historical interest.


Index & ContentsHome page, giving priority to popular items.
Site MapA listing of all subjects and their most relevant pages.
FeedbackA contact form, for contacting the site's author.


ProjectsActive projects that have public exposure.
PuzzlesSelected pages from the site, in the category of "puzzles".
DownloadsSelected pages from the site, in the category of "downloads".
ArchiveRetired items.

Featured Downloads and Projects

ZenithA remake of The Sentinel, suited to today's PCs. See also: Player Guide, FAQs, Screenshots.
CrossminesPuzzle game featuring many challenging variations on Minesweeper. See also: Player Guide.
Pocket Universe*Simulates colliding galaxies.
The Matrix Effect*Screensaver for Windows that looks like the console displays shown in The Matrix. Very popular in Asia, with over 1.2 million downloads on C-Net alone.
Coded Raw*A concept project for an API and file format that solves many problems with digital image files.
Raw Forge*A project to read and process camera-raw image files.
FMC Synthesizer*An early freeform software synthesizer for the Amiga.


Pieces of EightResearch project to discover useful abstractions for foundational physics. See also: Papers


Four FoursMathematical puzzle where readers contribute answers. See also: Introduction, Solutions 0-100, Solutions 100+, Add your Solution+, Education Resources, Links.