The above thread relates to games that are optimised for dual core. The games you mention should run fine on dual core assuming there are no issues with running those old games on XP same with singlecore and hyperthreading.
You're getting confused with what the sticky is for.
You are about to answer a thread that has been inactive for more than 6 months. If you still wish to proceed, please ensure that your posting is original and does not duplicate or overlap any prior responses to this thread.