When comparing Cube 2 (Sauerbraten) vs Babylon.js, the Slant community recommends Babylon.js for most people. In the question“What are the best 3D game engines?” Babylon.js is ranked 8th while Cube 2 (Sauerbraten) is ranked 66th. The most important reason people chose Babylon.js is:
Thanks to the increasing popularity of Babylon, it has a growing community of helpful developers. It's easy to find help on their [forum](http://www.html5gamedevs.com/forum/16-babylonjs/).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Good map editor
Pro Multi-platform
Linux, Windows, OSX
Pro Fast and smooth
Graphics not resource intensive. Compared favorably to Unreal engine.
Pro Free
Available under an open source license
Pro Small (but helpful) community
Thanks to the increasing popularity of Babylon, it has a growing community of helpful developers. It's easy to find help on their forum.
Pro A good amount of easy to understand resources to learn from
Babylon provides a playground where you can explore examples and play with the code.
The official documentation offers a wide variety of well-written tutorials on topics from beginner to advanced.
Additionally, there are many tutorials written by the community available that you can find by doing a google search.
Pro Great base shader material
Pro Actively developed
Babylon has great project health, with activity on Github daily for bug fixes and new features.
Cons
Con Not moddable
Con No tutorials, forums are "strange."
Con Not an actual engine
Con Young project
Babylon is quite young compared to many of it's competitors (released in 2013). The community is still somewhat small, however growing quickly.