UPDATE 1.3 AVAILABLE NOW! See what's new
Get ready to experience the brutal intensity of the Vietnam War on a monumental scale. Developed with the help of US veterans and Vietnamese advisors, S.O.G. Prairie Fire immerses you deep within enemy territory as a member of covert special ops unit MACV-SOG and delivers an Arma 3 sandbox experience you won’t forget.
Charge into battle with a wide range of historically accurate weapons and vehicles. Explore the steamy jungles and sprawling landscapes of Vietnam, Laos, and Cambodia. Run recon missions in a thrilling new co-op campaign and wage all-out war in new multiplayer and singleplayer scenarios.
With Update 1.1 you can wage war across Quang Tri Province, including the historic Khe Sanh Combat Base. To enhance your Special Forces experience you can play as US Navy SEALs, with new uniforms, equipment, weapons, cars and static weapons.
Update 1.2 added the new Laos map “The Bra” and 6 new factions to widen the war, including Australian, New Zealand, Korean and Lao militaries. Now with 3 terrains, 10 factions, 67 weapons, 38 vehicles and 41 static weapons, S.O.G. Prairie Fire is likely to be the biggest DLC ever made for Arma.
Update 1.3 added 3 new factions - the US Marines, Cambodian army and Khmer Rouge - along with 10 new vehicles with 36 variants, and 18 new weapons. Now with 3 terrains, 13 factions, 85 weapons, 46 vehicles and 44 static weapons, S.O.G. Prairie Fire is the biggest DLC ever made for Arma.
Featuring the authentic combat, full-spectrum battlefield, and powerful scenario editor Arma 3 is renowned for, players can now experience the full scope of the Vietnam War on their own, with friends, or with one of the thousands of Arma community groups located around the world.
Authentic, open, and diverse – this is the PC’s premier military game at its finest, immersed in the steaming jungles of 1960s Southeast Asia.
This unique new terrain, covering 300 km2, enables players to design and run missions throughout all phases and locations of the war.
Complete with hand-painted billboards and posters, new buildings, trees, and objects, and over a thousand terrain assets, Cam Lao Nam provides an unforgettable sandbox for all your Arma adventures.
The 1.2 update added exciting updates to the Cam Lao Nam terrain - the US Embassy in Saigon and the train station and new city buildings in Hanoi - each recreated from period photographs and thoroughly detailed to add more immersion to urban fighting.
This unique new terrain, covering 225 km2, enables players to design and run missions around Quang Tri Province, including some crucially contested locations of the war.
Featuring 2.7 million trees, buildings and objects from S.O.G. Prairie Fire Creator DLC, this large map is partly topographical and partly designed for gameplay. It features realistic scenery for Vietnam War fighting in Arma 3 with towering hills and deep valleys surrounding the Khe Sanh Combat Base.
This unique new terrain, covering 25 km2, enables players to design and run missions around an infamous section of the Ho Chi Minh trail in Laos, nicknamed “The Bra” by MACV SOG units, due to the road shape, viewed from the air.
Featuring trees, buildings and objects from S.O.G. Prairie Fire Creator DLC, this new map is partly topographical and partly designed for gameplay. It provides a realistic recreation of a major MACV SOG target area in Laos with detailed micro-terrain for intense close quarters battle, only made possible by the smaller map size.
The year is 1968 and the Vietnam War is reaching its peak. As elite MACV-SOG reconnaissance team "Columbia", your mission is to stop the flow of materials down the Ho Chi Minh Trail. Your team must engage in clandestine operations in Laos and Cambodia, hunting and destroying the PAVN 559th Transportation Group and its numerous security units. Feel the adrenaline rush of operating deep within hostile territory while the People’s Army of Vietnam try to track, locate, and overrun your team.
Written alongside former recon team leaders from the US Special Forces elite MACV-SOG, this fully voice-acted campaign consists of 6 highly replayable co-op missions featuring dynamic difficulty and drop-in/drop-out multiplayer capability.
Although the Co-op campaign was not designed for singleplayer, progress saving has been added while playing in "multiplayer solo mode." The 1.2 update added 2 new campaign missions, and the team RTO directly calling air support during Prairie Fire emergencies in parts of the campaign.
For those unfamiliar with the Vietnam War, 2 new singleplayer Showcase scenarios help acquaint players with the weapons, vehicles, and equipment used during that time.
Additionally, there is a fully narrated singleplayer Showcase scenario for both PAVN and MACV that introduces players to the world of jungle combat and historic warfare.
The bonus helicopter mission “Ash and Trash” can also be enjoyed as a singleplayer scenario.
S.O.G. Prairie fire has recreated original gear and equipment from the war, using declassified intelligence documents and bring-back equipment supplied by our US Special Forces adviser team who contributed their vast knowledge and private collections to help deliver one of the most realistic recreations of equipment ever seen in a video game.
You can play in a wide range of military roles, with 65 detailed uniforms, 69 vests, 43 backpacks, 20 accessories and 69 headgear items - all with many variations.
Update 1.3 added USMC, FANK and Khmer Rouge forces and many new items of equipment.
S.O.G. Prairie Fire features 13 asymmetric factions using vehicles to wage war in the jungles, mountains, cities, rivers, and islands of Vietnam, Cambodia and Laos.
The Vietnam War featured a vast array of weaponry and field-modifications employed by both sides in their bitter struggle for supremacy.
S.O.G. Prairie Fire offers 85 unique weapons with detailed animations, realistic sounds, melee features, and a diverse range of weapon accessories. There are 63 deadly grenades, traps, and other special items, 65 detailed uniforms, 69 vests, 43 backpacks, 20 accessories, and 69 headgear items, all with numerous variations.
Each item was painstakingly designed with five years of oversight and advice from US Special Forces veterans who contributed their vast knowledge and private collections to help deliver the most realistic recreation of equipment possible.
To improve your multiplayer experience S.O.G. Prairie Fire features a completely overhauled in-game menu and multiplayer server browser (only usable with this DLC loaded). Using this optional Enhanced Multiplayer Menu, with its improved interface and new features, you can rapidly find, choose and join multiplayer games hosting the DLC.
Battle your way through 550 km2 of authentic Southeast Asian landscape in this all-new fully-supported multi-team co-op game created by the S.O.G. Prairie Fire team.
Along with the 300km2 Cam Lao Nam and 225 km2 Khe Sanh terrains, update 1.2 brings you an updated Mike Force mission set on the new 25km2 micro-terrain set in Laos - “The Bra”.
Mike Force is a totally new way to experience co-op in Arma 3.
Vietnam has been infiltrated by communist forces from the North! Choose one of four specialist teams, and co-operate to build bases, expand capability and find and destroy the enemy in this unique, intense, combined arms, conquest mission.
To survive in the jungle, you will need food, water and medicine, tools for building, and a lot of ammo! Earn rank points and medals completing tasks in order to unlock better equipment and support!
An intelligent AI commander ensures that no mission is ever the same in this persistent, challenging, dynamic and immersive Vietnam experience! Time to Get some!
In addition to the co-op campaign, S.O.G. Prairie Fire adds 17 new multiplayer scenarios to Cam Lao Nam in the popular (End Game, Warlords, Zeus, and Escape) game modes created by Bohemia Interactive.
Two sides fight a common enemy to secure Intel - gathered by completing small objectives - to identify the 'End Game' objective. The game has 3 phases: establishing an FOB, downloading intelligence and, securing valuable schematics.
Inspired by popular tabletop games such as 'Dungeons & Dragons', this free DLC for Arma 3 enables you to assume the role of Zeus, a game master with the ability to curate the multiplayer experience of others. Wielding an intuitive real-time editor, you can invent new stories, challenges and locations. The results are always unique dynamic combat - for both Zeus and those with boots on the ground. Your rules, your war.
Update 1.1 brings 4 new Zeus missions on the Khe Sanh terrain and Update 1.2 brings 4 new Zeus missions on The Bra terrain.
The awesome Arma 3 community has already adapted S.O.G. Prairie Fire into 8 outstanding multi-player scenarios. These are instantly available in the new multiplayer menu. Find out which is your favorite.
Patrol Operations is a co-operative mission set on various maps, configured for different sides, with diverse, randomly-generated tasks. Players must work as a team to engage in tactical missions scaled in difficulty with player count. Task locations, enemy forces and scenarios are randomised to ensure players have an interesting experience every time the mission is replayed.
PLAYERUNKNOWN's Battle Royale is a fast paced, last-man-standing match, with one chance to win. Inspired by the book/movie 'Battle Royale', it provides a unique gameplay experience and provides an intense, always changing game for the player. The rules are simple. There can be only one winner. Everyone else must die!
This 8-player co-operative community mission is a Prairie Fire conversion for the Force Recon mission designed and published by Vertexmacht for their Global Mobilization Creator DLC, which is also required to play the mission.
One of the things that makes Arma 3 so special is its modding community, supported by tools and a powerful 3DEN editor created by Bohemia Interactive. Over the years since S.O.G. Prairie Fire released, the team has been constantly impressed by the quality of user-created missions on the Steam workshop.
As time passes, the S.O.G. Prairie Fire team continues to monitor new releases of mods and missions and adds them to the collections. The Workshop is great for extending your playable experience into thousands of hours.
S.O.G. Prairie Fire features an integrated soundtrack including 14 awesome rock and blues tracks composed for the game by originalsas. Playable in vehicles or on the FM radio, these kick-ass guitar-heavy tunes take you way back to the crazy days of 1960s Nam.
Composed with authentic Vietnamese instruments, 21 cinematic tracks by FabianKreutzerSound augment the beauty of the Vietnamese and Laotian landscapes. As you stalk the jungles at night, or patrol villages at sunset these original atmospheric tracks can give your missions added depth and impact.
The Original Soundtrack is also available to buy and enjoy separately from the game. Some of the proceeds will be donated to the Special Operations Association for veterans support work.
14 rock and blues tracks by originalsas
21 cinematic tracks by FabianKreutzerSound
BUY NOW ON STEAMTo bring this fascinating period of history to life, every sound has been crafted to improve the experience of close-quarters fighting in steaming jungles. You will hear enemies whisper as they approach in the dark, or yelling as they rush to overrun you. The immersive medical system adds wounded enemies calling out, and dark humour shared by wounded soldiers.
The extensive recreation of every weapon, explosion, bullet crack, vehicle, and footstep sounds creates an immersive and unforgettable feeling for players. To complement the sounds of battle, many new special effects have been added to deliver a truly kinetic battlefield experience. Even outside of combat, experience the ambience of the jungle as it comes alive with realistic sounds of wildlife, weather and disturbed vegetation.
S.O.G. Prairie Fire is complemented by a wide range of additional content, usable only when the DLC is loaded. This includes:
Also available are objects to support third-party game modes, like Mike Force , which include over 100 food, drink, and medical items (cosmetic props by default) and over 150 partially built buildings and fortifications for use in a dynamic building system. There is also full support for the popular third-party Task Force Arma Radio and ACRE radio mods.
Since releasing S.O.G. Prairie Fire in May 2021, the team has been monitoring feedback from players in our wishlist and especially in our feedback tracker and we are very grateful for all the detailed feedback, bug-reports and suggestions that have been submitted.
The team has completed approximately 100 feedback tickets in Update 1.3. There is a detailed list of the changes available here.
The Prairie Fire Wiki has also been updated with all the new classnames.
The team is constantly motivated and moved by the overwhelmingly positive feedback from the player base, and we have more plans for the future - with news on this expected soon - stay tuned!
You can read more about our design decisions in
You can also watch a unique developer Q&A hosted by MACV SOG legend John Stryker Meyer on our YouTube channel here .