Download the latest version of CvGameCoreDLL:

Alpha Release
Binary: CvGameCoreDLL.dll (http://www.civfanatics.net/uploads12/CCPv1610003a.zip) (v1.61.0003a)
Sourcecode: http://prdownloads.sourceforge.net/civ4ccp/1-61-0001aSC.zip?download (v1.61.0003a)

ChangeLog:
In the source code

reserved for archive downloads

Binary:
CvGameCoreDLL.dll (http://prdownloads.sourceforge.net/civ4ccp/CvGameCoreDLL.dll?download) (v1.61.0001a)

Sourcecode:
http://prdownloads.sourceforge.net/civ4ccp/1-61-0001aSC.zip?download (v1.61.0001a)