Lumberyard has CryEngine DNA. Amazon licensed the software from Crytek and went to town on it, stitching in new networking code and assets pipelines. This might go some way to explaining how Crytek avoided complete implosion, although I do wonder if it'll come to regret the decision. How do you compete with free?
Make no mistake, this is the free sort of free: no download fee, no royalties liable. Depending on how developers take to it, Lumberyard could cause huge upset in the engine business, topping the deals offered by both Unity and Unreal Engine. Even its source code is free to tinker with. The caveat is that developers have to use Amazon as their server infrastructure provider through Amazon Web Services.
Lumberyard is in beta and free to download now if you have the skills and want to tinker.
http://aws.amazon.com/lumberyard/
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