Outbreak: The New Nightmare (Xbox One) is pre-orderable NOW and launches on Jan 3rd, 2018 on Xbox One with a 20% launch discount off the $8.99 MSRP. The Xbox One release is a special single-player edition that is offered at a reduced price point compared to the Steam version.
Outbreak: The New Nightmare on Steam is also leaving Steam Early Access and transitioning to a full release on or around Jan. 5th, 2018. When it transitions, the price will be increasing. The Steam version supports up to 4-player co-op throughout the entire game or alone as a single-player experience. The Steam version will be on sale for 50% off its MSRP of $11.99 (Early Access Price) from Dec. 21st, 2017 through Jan. 4th, 2018 to celebrate the upcoming transition out of Early Access. A discount this big will not be available for a long time, so GRAB IT NOW before the price increases!