NVA tunnel networks
North Vietnamese forces can construct tunnel networks that reshape deployment and movement behind the front line.
SIGNATURE GAMEPLAY SYSTEMS
What changes on the Vietnam battlefield
The first-party feature set introduces asymmetric mobility, waterways and new infantry interactions around the familiar 50v50 structure.
Descriptions are scoped to features named on the official Hell Let Loose: Vietnam game page.
US helicopter operations
US helicopter units provide battlefield mobility, fire support and supply-drop capability.
Patrol boats
Crewed patrol boats turn rivers and waterways into tactical transport and combat routes.
Expanded infantry movement
Swimming, climbing and faster crawling give infantry more ways to cross dense terrain and waterways.
Wounded teammate dragging
Players can move wounded teammates before a revive, adding a new rescue decision under fire.