The Beardy Penguin | Sins Of The Prophets - Fall Of Reach #5 : Winter Contingency @TheBeardyPenguin | Uploaded August 2018 | Updated October 2024, 11 hours ago.
This episode the Covenant burn the outer colonies, leaving a only single fleet and a few orbital defence platforms standing between them and Reach itself.

Sins Of The Prophets is a halo total conversion for Sins Of A Solar Empire: Rebellion. You can download it here -
moddb.com/mods/halo-sins-of-the-prophets