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.
