The Hell Let Loose: Vietnam release date is pretty close now, and we've got all the pre-order news and gameplay details that you're likely to need. Now, let's get down to those key facts, starting with the Hell Let Loose: Vietnam release date. The Hell Let Loose: Vietnam release date is 13 August 2026, the developers have confirmed. Can I pre-order Hell Let Loose: Vietnam? An official gameplay trailer for Hell Let Loose: Vietnam has now been released, and it can be viewed below.