Some of the DLC may add content to the mod, but it has apparently not been researched in depth. 633: Rise of Islam is a historical mod that adds a new start date and new features. The current release of the mod is characterized as a full release (v3.1.1 as of April 2019).
Scripted events for the rise and fragmentation of early Islam.No de jure kingdoms and empires in some tribal areas instead, unlimited subjugation of same culture, and easier custom title creation.Updated or new de jure titles, complete with new flags.Syriac and Coptic cultures as part of the Byzantine culture group.Cushitic paganism, the religion of many pre-Islamic East Africans.Reformable Hellenic religion, complete with a playable religious head.New start date of 633, just after the death of the Islamic prophet Muhammad.
