Old games did not transfer to new device

dlb104 wrote:

Games on old iphone and iPad did not transfer to new iPhone and new ipad. Games show in Game Center but do not open at all or open at basic , start over.

Transfer content from an iPhone, iPad, or iPod touch to a new device - Apple Support

When setting up your new devices did you restore from backups? How recent where your backups? If both are not the problem then try syncing your new devices with the computer you synced your old devices with.