Complex sentence: The comp.sys.sinclair Crap Games Competition (also simply known as the CSSCGC) is an annual competition for "crap" game development and is specifically targeted at the Sinclair Research range of 8-bit computers and clones, derivatives and emulators thereof.
Split into simpler sentences: The comp.sys.sinclair Crap Games Competition (also simply known as the CSSCGC) is an annual competition for "crap" game development. It is specifically targeted at the Sinclair Research range of 8-bit computers and clones, derivatives and emulators thereof.