If the revised game extends beyond 1177ish BCE, highly recommend this book for reference:

Talks about how Egypt had completely withdrawn from Canaan by 1140 BCE and Israel / Jews became the dominant power in the region. 

Peleset without Egyptian support were increasingly absorbed. Southern Canaanites were either killed or assimilated. Northern 'Canaanites' survived and prospered as Phonecians.

The aforementioned is also born out by modern DNA assessment