Donald Woods wrote the original computer Spider on Stanford Artificial Intelligence Lab system (SAIL). It was later ported to the Xerox Development Environment. The card images are loosely based on scanned-in images but were largely redrawn by the author with help from Larry Rosenberg. His next port was written entirely in NeWS running under Open Windows 1.0. Most of the documentation was written by him.
Dave Lemke ported the NeWS spider to C and X11 and wrote the Athena widget toolkit interface.
Bruce Martin and Heather Rose wrote the XView toolkit interface. Heather also provided the icon and cardback images.
David Buxton ported Spider onto the Acorn Archimedes running RISC OS 3.1. David stripped out the XView interface and wrote a new RISC OS front end, converted the game code to ANSI C. (Though I never got round to releasing it!)
David Buxton ported this version of Spider to Java.
Make the window as tall as possible when playing. Otherwise the game will be forced to resize the card stacks whenever is can to make them more visible.
Use the '?' command for movement suggestions until you learn the game.
Use the keyboard accelerators.
Don't let the complexity of the Examples scare you away from playing.