If they did congratz but honestly when it comes to serious game development UDK is more than a reasonable choice.
Secondly I doubt more than 5 people(if that) made $50,000 using unity.
Gamebryo engine is bad android#
Gamebryo engine is bad full#
Gamebryo engine is bad code#
supports many platforms with a price of $1500 per platform and no royalties if the source code is not needed. Up to you to decide what is best for you. With Unity 4 and all new platforms each priced $1500 I wanted to just compare objectively the cost of each license for each competitors. All these engine can make games on multiple platforms.