Efforts like the Open 3D Foundation allow them to focus on the features that really set them apart. It helps that Lumberyard and now the Open 3D Engine were, from the outset, meant to be modular.

Recently Amazon announced that they would be open sourcing the 3D engine and related behind their Amazon Lumberyard game tooling effort. As Lumberyard is based on CryEngine 3.8 (~2015 vintage), th… ...