When Is CG Games Prelims? CG Games Prelims will be held on Sat, July 14 and Sat, July 21. August 4 has been reserved as a backup weekend in the case of inclement weather. Related articles Are the registration prices individual or per team? What is CG Games? What are the divisions? How does CG Games Prelims scoring work? How many Athletes are invited to compete in CG Games Finals?