When comparing Leadwerks Game Engine vs Autodesk Maya, the Slant community recommends Leadwerks Game Engine for most people. In the question“What are the best game engines for Virtual Reality development?” Leadwerks Game Engine is ranked 10th while Autodesk Maya is ranked 14th. The most important reason people chose Leadwerks Game Engine is:
Leadwerks's flowgraphs resemble flowcharts where each box represents a function or value, with connections between them representing program flow. This provides a better at-a-glance indication of game logic than a simple list of events, and makes complex behaviors easier to accomplish.
Specs
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Pros

Pro Versatile flow diagram script model
Leadwerks's flowgraphs resemble flowcharts where each box represents a function or value, with connections between them representing program flow. This provides a better at-a-glance indication of game logic than a simple list of events, and makes complex behaviors easier to accomplish.
Pro Built-in level editor
Has an acceptable 3D map editor that is easy to use.
Pro Handful of Prefabs and Scripts
For example, you take a model (e.g. torch), add a light source to it, add a particle generator (for fire) and save it as a prefab (one file). Then this prefab can be used to add many torches with fire and light.
Pro Myriad of features
Has an extensive list of tools for modelling, look development, rigging, animation, rendering and exporting.
Pro Industry standard
Maya has been the industry standard for 3d modelling and animation for years.
Pro Combining powerful, realistic rendering with ease of use
Arnold is now the default interactive renderer, which can be found in the render settings. Solid Angle's global illumination ray tracer is used by many Hollywood studios.
Pro Expensive
Pro Extensible
The MEL language allows one to either write custom scripts or to download them.
Pro Support
Extensive support from Autodesk and users around the world.
Cons
Con Very buggy
Leadworks is a not complete, it's a work in progress. As such many parts of the engine are clunky, especially the level editor.

Con Documentation and support are limited for non-coders
The flowgraph editor can be used with free script assets to build games without writing any code, but this is not directly intended or encouraged by Leadwerks.
Con Highly misleading advertising
Con Pricey
Don't expect to get Maya cheap. It is considerably more expensive than lesser 3D programs.
Con Difficult to learn
Expect to look at tons of tutorials.
Con Poorly organized interface
The menu organization doesn't make sense, and leaves you searching all over the place for functions that should fall under one category. For example, the option to bake your animation isn't under the Animation menu.
Con Unstable
The system can just crash unexpectedly.
Con Expensive
Real expensive in the long run.
Con Boolean bugs
A lot of polygon issues making boolean operations.
