“Gears of War: E-Day has a conflicting release date -- October 6 per IGN/VGC/NME vs October 1 per IGN's upcoming-games directory -- treat as unverified.”
checked on the web by Perplexity
E-Day Editions, Pre-Order Bonus & Open Beta AccessUpcoming Games - Release Dates, Trailers, Info and more - IGN
Gears of War: E-Day – Available now on XBOX and with Game Pass | XBOX