When comparing S2 engine HD vs Flax Engine, the Slant community recommends S2 engine HD for most people. In the question“What are the best game engines?” S2 engine HD is ranked 11th while Flax Engine is ranked 12th. The most important reason people chose S2 engine HD is:
It is possible to edit weather conditions (rain, thunders,wind, clouds, night and day cycle) by simply moving some sliders.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Built-in weather system
It is possible to edit weather conditions (rain, thunders,wind, clouds, night and day cycle) by simply moving some sliders.
Pro UI is intuitively laid out
Important functions can easily be seen and accessed, making the engine quite user friendly, even for beginners or those who are new to the engine.
Pro Great rendering
S2ENGINE HD rendering power is comparable to more famous engines like Cryengine and UE4.
Pro Complete terrain editor
S2ENGINE HD is integrated with a complete terrain editor that lets you sculpt, paint, add vegetation, and add splines like roads, rivers, fences, etc.
Pro Easy to use
Essential functions are very easy to use and understand.
Pro Free
Can be used for free until you hit a rather high revenue cap, at which point you have to pay royalties.
Pro Powerful C# scripting
C# scripting is really well made, comparable to Unity, but without any of the legacy cruft.
Pro Multiplatform
Supports most platforms, including Windows, Linux, Android, Nintendo Switch, ...
Pro Modern rendering backend
Has a very modern, performant and beautiful rendering backend.
Pro C++ support
The entire core is written in C++ and it supports writing game code in C++. The interoperability between C# and C++ is also nothing to scoff at.
Pro Supports multiple IDEs
Works with any text editor and comes with proper support for Visual Studio, VSCode and Jetbrains Rider.
Pro Excellent documentation
The documentation is well written, up to date and accepts improvements from the community.
Pro Great and extensible editor
The editor is both powerful and simple. My favourite part is how easy it is to extend the editor with custom magic.
Pro Source code available
The entire source of the engine is available on Github, though not under an open source license.
Cons
Con Still in early access
Might be quite buggy.
Con New software
As is standard with new software, not all of the bugs have been ironed out yet.
Con Few plugins
Unlike more mature engines, there isn't a vibrant ecosystem of plugins yet.
Con Not open source
While the source code is available, it's not quite open source
Con Not latest C# version
It uses Mono and is still on some variant of C# 7.
Con No OpenGL support
It only supports modern APIs, namely Vulkan and DirectX. This means that it won't run on very old machines.
