NeoAxis Engine

[MichaelHinrichs]

Some reference to the engine, such as the developer site or a wikipedia article.

https://www.neoaxis.com/docs/html/Manual_Root.htm

SteamDB links

https://steamdb.info/app/40500/
https://steamdb.info/app/343390/

Possible way to detect it

There may be some libraries with distinctive names.

[Lifeismana]

FIles in both depots are:

Data
DDSFormat.dll
DecorativeObjectManager.dll
EngineApp.dll
EntitySystem.dll
FileSystem.dll
GameCommon.dll
GameEntities.dll
GridPathFindSystem.dll
HeightmapTerrain.dll
ICSharpCode.SharpZipLib.dll
Lidgren.Network.dll
Log.dll
MapSystem.dll
MathEx.dll
OggVorbisTheora.dll
OpenALSoundSystem.dll
PhysicsSystem.dll
Renderer.dll
SoundSystem.dll
UISystem.dll
Utils.dll
ZipArchive.dll

EngineApp.dll seems like a good choice if all these games are using that platform
https://steamdb.info/app/40500/depots/
https://steamdb.info/app/343390/depots/
https://steamdb.info/app/348530/depots/
https://steamdb.info/app/448400/depots/
https://steamdb.info/app/499900/depots/
https://steamdb.info/app/533320/depots/
https://steamdb.info/app/632820/depots/
https://steamdb.info/app/636010/depots/
https://steamdb.info/app/636020/depots/
https://steamdb.info/app/636030/depots/
https://steamdb.info/app/1805560/depots/

[Lifeismana]

no this platform just seem to be using ogre for rendering