What is a crap game? A live example:

Cascade Casette 50 Tape Wikipedia Entry

Download Casette 50 from WOS infoseek

Biggest zx spectrum community on internet

World of Spectrum Forums

Useful links from the Digital Prawn's cgc2008 and BloodBaz's cgc2010 site:

Unsatisfactory Software's Crap Game Finder
Unsatisfactory Software's Crap Game Finder 1996-2008 Winners Listing
An on-line searchable database of some of the worst, badly programmed and poorly executed excuses for a game ever found on the Spectrum.

So you wanna write a crap game? is in the words of Chris Young, "a helpful guide written in the style of the helpful guides in YS magazine :-)
Which, of course, having recently been moved to a wiki page, people are welcome to add their own suggestions or modify the existing ones".

Google's web interface to the comp.sys.sinclair Usenet group, for people who don't have a Usenet client set up. This is the official usenet thread.

World of Spectrum
Arguably the biggest ZX Spectrum fan site on the planet and click here for the official wos thread.

Wikipedia.org
Check out Wikipedia's Entry about this competition