>If you create a games or commercial applications using UDK for sale or distribution to an end-user or client, or if you are providing services in connection with a UDK based game or application, the per-seat option does not apply. Instead the license terms for this arrangement are US$99 up-front, and a 0% royalty on you or your company’s first US$50,000 in UDK related revenue from all your UDK based games or commercial applications, and a 25% royalty on UDK related revenue from all your UDK based games or commercial applications above US$50,000. UDK related revenue includes, but is not limited to, monies earned from: sales, services, training, advertisements, sponsorships, endorsements, memberships, subscription fees, in-game transactions, rentals and pay-to-play. You or your company will only need one commercial license to cover all the UDK based games or commercial applications you develop.
>Here are some examples:
>A team creates a game with UDK that they intend to sell. After six months of development, they release the game through digital distribution and they earn US$60,000 in the first calendar quarter after release. Their use of UDK during development requires no fee. At some point prior to the UDK Applications’srelease they would to secure a royalty-bearing commercial UDK license with its US$99 license fee. After earning US$60,000, they would be required to pay Epic US$2,500 (US$0 on the first US$50,000 in revenue, and US$2,500 on the next US$10,000 in revenue). On subsequent revenue, they are required to pay the 25% royalty.
http://www.unrealengine.com/udk/licensing/commercial_license...
>If you create a games or commercial applications using UDK for sale or distribution to an end-user or client, or if you are providing services in connection with a UDK based game or application, the per-seat option does not apply. Instead the license terms for this arrangement are US$99 up-front, and a 0% royalty on you or your company’s first US$50,000 in UDK related revenue from all your UDK based games or commercial applications, and a 25% royalty on UDK related revenue from all your UDK based games or commercial applications above US$50,000. UDK related revenue includes, but is not limited to, monies earned from: sales, services, training, advertisements, sponsorships, endorsements, memberships, subscription fees, in-game transactions, rentals and pay-to-play. You or your company will only need one commercial license to cover all the UDK based games or commercial applications you develop.
>Here are some examples:
>A team creates a game with UDK that they intend to sell. After six months of development, they release the game through digital distribution and they earn US$60,000 in the first calendar quarter after release. Their use of UDK during development requires no fee. At some point prior to the UDK Applications’srelease they would to secure a royalty-bearing commercial UDK license with its US$99 license fee. After earning US$60,000, they would be required to pay Epic US$2,500 (US$0 on the first US$50,000 in revenue, and US$2,500 on the next US$10,000 in revenue). On subsequent revenue, they are required to pay the 25% royalty.