I just received the following email and thought I would pass it on. I’ve received a few of these offers, so if you are looking to purchase in the future, wait for the next promo.
At Unity, we love games and want to see your game on mobile devices. To help get your Unity-powered game live in the App Store or available on any of the 30 million-plus Android devices out there, we are offering you a 20% discount on your purchase of a Unity iOS or Unity Android license. Simply visit our online store by April 30th and enter UFRM0430 when asked for your Rebate Code.
Unity Mobile - 20% off
The Unity Team
Both links edited as they contained tracking info linked to my email address.