Microsoft’s Xbox One outsold the PlayStation 4 last November and December, and the company is trying to put itself in a position to repeat that success.

Now, the hardware manufacturer has announced a new Xbox One bundle that should help sell a few extra units starting in November. Microsoft has worked with publisher Bethesda to create a Fallout 4 Xbox One bundle. This will put a 1TB Xbox One, a headset, Fallout 4, and Fallout 3 all into the same package for $400.

Fallout 4 will likely end the year as one of the industry’s top-selling games. Bethesda’s open-world fantasy role-playing game The Elder Scrolls V: Skyrim sold more than 20 million copies, and it’s possible that Fallout 4 could meet or exceed that figure. And Microsoft is expecting the popularity of Fallout 4, which is only coming out for PlayStation 4, Xbox One, and PC, to give its home console a massive boost through the holiday.

Plenty of people are still waiting to upgrade from the last generation of consoles to one of the new ones, and a Fallout 4 bundle might have enough appeal to help consumers decide to go with the Xbox One over the PS4. Sony has several of its own holiday bundles to combat this — including one for Call of Duty: Black Ops III, which is probably the one game that has a chance to outsell Fallout 4.

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A lot is riding on this particular bundle for Microsoft. The company said around the time of the Electronic Entertainment Expo trade show in June that it decided not to renew its deal with Activision to bring Call of Duty DLC to Xbox system first because it wanted to put that marketing money toward Fallout 4. For that investment to pay off, Microsoft will likely want to see this game convincing gamers to pick the Xbox One.