You may not request that Arcade games be uploaded until a minimum of 12 hours after official release.
Users that request Arcade games before the minimum request time will be issued a verbal warning and have their thread removed.
Repeat offenders are open to infractions.

What constitutes as an official release?

Arcade games are usually released between 10 AM - 2 PM GMT. That means you may not make a request for content until approx 10 PM GMT.
Work it out for your timezone.