unzip end double click the .exe file should make it work. to bad I can only check windows build, so if you are on a mac or linux I can not check if something is wrong. I did try the HTML build to make it playable on the site but that fecked up my lighting.
about your own game, don't be to hard on yourself, people who can manage to make a AAA-studio game in 9 days are not existing :).