Happy Hour (also known as HH) is a special promotion that occurs on random events, usually on or near times when events take place. This offer acts when purchasing Uridium from payment, will give you times 2 Uridium in total (Also works for free offers). For example, you purchase 30,000 Uridium for $12.99 by purchasing this on Happy Hour, you receive 60,000 Uridium instead.
If you have a Banking Doubler, it will not do anything to what you buy on Happy Hour, if you use it on Happy Hour, you will still have it once you buy something on Happy Hour.
This promotion only work if you are buying uridium, and not Premium Packs, Advantage Packs, Starter Kits, Saving Packs or Ship Designs.
Only buy uridium on happy hour if you really have to, as mega happy hour comes shortly after it sometime in the week.