Game Engine What Is The Best Game Engine Available To Start Developing Games For Intranet And Multi User?

What is the best game engine available to start developing games for intranet and multi user? - game engine

Hello,

I wanted to start my career in game development. First, I want to know where to start. What is the best game engine on the market? As teachers use (World of Warcraft, Quake)?

What is the best game engine?
Best Game IDE?
Multi-user environment?
And easy to use 3D games publisher.

Please help and advise.