CryEngine by Amazon, free and with full source code access: https://aws.amazon.com/lumberyard/
L L. Scofield Veteran Feb 13, 2016 #1 CryEngine by Amazon, free and with full source code access: https://aws.amazon.com/lumberyard/
S smw Newcomer Feb 13, 2016 #2 https://forum.beyond3d.com/threads/amazon-lumberyard-free-conditions-apply-game-engine.57577/