Playground-Set.com

The Electric Playground
"While the environments in "Jet Grind Radio" were dazzling, especially since it was one of the very first games to make use of the animation-style cel-shading technique, the levels in JSRF are nothing short of mind-boggling."
www.elecplay.com/

Crash 4: Jet Set Willy
A review of the game, describing it as "one of the most addictive and finest Spectrum games", with screenshots.
www.crashonline.org.uk/

Your Spectrum 18 - Jet Set Willy 2
"Miner Willy's back in the major follow-up to his first appearance as a jet setter. Find out what he's up to and fear not for all your old POKEs. Chris Wood, Zareh Johannes and David Smith have hacked away and come up with a complete new set."
www.users.globalnet.co.uk/

Jet Set Willy II: The Map
A map of the ZX Spectrum version, including details of the Cartography Room, and a recommended route with timings and counts of items and rooms.
www.jdawiseman.com/

Jet Set Willy Z88
Conversion by Dominic Morris requiring an expanded Z88.
www.zxplus3e.plus.com/

Jet Set Willy Walkthrough
A QuickTime movie of Jet Set Willy being played from start to finish. Recorded at five times the normal speed.
jsw-walkthrough.tripod.com/

Jet Set Willy
Map, hints on completing the game, the original 48k cassette version as an MP3, and code chart.
www.jamesducker.co.uk/

Jet Set Willy II: BBC Micro version
Lists differences between the BBC Micro version and that for the Spectrum.
www.cl4.org/

Jet-Set Willy II Room Format
Byte-level technical description of how rooms were specified.
www.seasip.demon.co.uk/

Your Spectrum 4 - Jet Set Willy
Contains a review by Sue Denham, screen shots, and a hacker's guide by Andrew Pennell.
www.users.globalnet.co.uk/