Expression Games is leaning into a practical solution for a problem as old as jungle warfare: you can be killed without seeing the person who shot you. For the upcoming Hell Let Loose: Vietnam, the developer has made trees and bushes react to nearby players, so foliage will move and rustle if someone brushes past it. That movement should give teams a better read on hidden threats and reduce the number of seemingly random deaths.
The mechanic is the result of a familiar design tension. Dense foliage makes Vietnam authentic, but it also hides players in ways that harm playability. Technical director Kieran D’Archambaud told PC Gamer that “particularly if you’re new to the game, it can be very hard to understand where you’re dying from.” The foliage reacts to contact, so the environment helps point you toward an enemy, rather than just swallowing you whole.
It is not only visual cues. Creative director Matt White told PC Gamer the team has an audio engineer dedicated to ambience and at least one artist who specialises in foliage. The goal is historical authenticity down to “the sound of the bugs” and “the sound of the frogs,” which the team says helps sell the setting and the danger within it.
The change is an interesting choice for a military simulator that prizes realism. The original Hell Let Loose was rooted in World War 2 firefights and tactical play. Moving the series into Vietnam required wrestling with a different kind of terrain that can make combat feel unfair unless you give players better ways to sense their surroundings.
Watch the reveal trailer here:
If you care about audio detail or foliage as a gameplay element, keep an eye on how these systems perform once the game reaches a broader audience. Please post your thoughts below or join the conversation on our socials: X, Bluesky, YouTube.
