Chip's Plus
A wealth of Chip's Challenge information, including tips, tricks, maps, and cheats. (Not updated since 1998, but still useful.)
GameWinners.com: Chip's Challenge
Cheats, codes, hints, and FAQs for the Atari Lynx version.
Level High Score List
A list of overall scores and scores on each level, usually more up to date than the official list.
MSN Charter Chipsters
Photos, biographies, and scores of a group of Chip's Challenge players who met on an old MSN bulletin board.
New Chip's Challenge Levels
A repository of new levels created by fans of the game, including Chip's Challenge Level Pack 2.
The Chip's Challenge Corridor
Includes access to the game's main discussion area, animated solutions to every level, and frequently asked questions.
Tile World
An open source reimplementation of Chip's Challenge, for Windows and Linux.