I would say around mid XXX-high XXX if potential end user likes it.
You can get more information via namebio.com - just insert "cargames" into the search box, and you will find out that some 3 words names (cargames with various prefixes) sold in this range
The fact that cargames sold for 200k is solid, but adding prefix in front of it brings value of name dramatically down - this is valid for all domain names, not only for this particular one