When comparing Leadwerks Game Engine vs Torque3D, 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 Torque3D is ranked 12th. 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 Free and open source
Torque3D is a free game engine licensed under MIT with source code available on GitHub.
Pro Incredible Performance on low-end PCs
Even on low-end-PCs the Engine and its games run perfect.
Pro Many stock features for a FPS but flexible enough for other Genres
Pro Continually updated by a dedicated and skilled community
Pro Easy to implement 32 to 64 multi-player networking
Torque's approach to networking makes this one of the best performing and easiest to implement multiplayer game engines available.
Pro Redistributable tools
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 Aging
If you are planing on using some of the latest graphical options, pick another engine.
Con Weak AI
Movement AI is limited to moving in a straight line.
Con Limited platforms
Torque3D only publishes to desktop and mobile.
