D on quora ...

[SrMordred]

 From https://wiki.dlang.org/Vision/2017H2:

2. @nogc: Use of D without a garbage collector, most likely by 
using reference counting and related methods Unique/Weak 
references) for reclamation of resources. This task is made 
challenging by the safety requirement.

Eventually it will come (I hope) :)

I'm on the game programming in D train also.

And its a bless comparing to C++, but I have the same concerns 
about the impredictable GC pause time.