well sure it's kinda short... but it's stilla .net not a .com and well .. it's not super easy to remember (If I visited it maybee ten times I'd probably remember then) .. nor is it really brandable just by the domain name.. it seems abbreviated.. I'm not knocking your domain only seeing what I personally would value it to myself
Interesting, about 17K results on Google for "corpg"; the 1st one being a defunct Digital (DEC) link that redirects to 404 on the HP site (who bought Compaq who bought Digital)... and then a few more relevant terms.
High $xx but probably worth developing if you have interested in that gaming field. Would probably pull in good AdSense revenue!