As for all of you asking that things be added, it's open collaboration. All you need is a google account, and you should be able to add / delete / update events as necessary.
I didn't start this map, just took it upon myself to keep Denver up to date. I'd rather not be responsible for the upkeep of numerous cities.
With that said, if you've made a valid effort to add an event and are still having problems, I'm willing to lend some assistance. Also, if you can confirm an outdated event, I'll delete it from the map.
*checks map for continued accuracy of Death of the Arcade Entertainment Denver-area events...