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Lead Big Boss through stealth missions in Central America, recruit soldiers, and expand the private military base behind his operations.
Released 27 Aug 2026
Sneak Through Missions
Extract Enemy Soldiers
Build Mother Base
From Naked Snake to Big Boss. Ten years after Operation Snake Eater. While commanding a private military force in Colombia, guests from Costa Rica visit Snake. Accepting their request, Snake leads his men into confronting the conspiracy behind the East-West Cold War.
Developed by KONAMI · Published by KONAMI
Themes from a helpfulness-selected sample of Steam reviews, not the aggregate Steam score.
Ten years after the events of Metal Gear Solid 3, Big Boss leads the independent military group MSF from Colombia. When visitors from Costa Rica ask him to investigate an armed group operating in their country, a voice tied to his past draws him into the mission.
Play as Big Boss across a series of discrete missions focused on infiltration and combat. Take on main and extra operations, confront armed units and large weapons, and replay missions as you pursue different objectives and ranks.
Captured soldiers can be recruited to staff Mother Base, where personnel support research and the development of weapons and equipment. The game also includes online co-op missions and competitive multiplayer for up to six players.
Players who praise the game often point to its story and characters, the repeatable mission structure, and the loop of recruiting soldiers to grow Mother Base and develop equipment. Co-op is another recurring highlight, with some reviewers especially enjoying taking on missions with friends. Several reviews, however, distinguish their affection for the original game from concerns about this version’s controls and other port problems.
The extreme tension of infiltrating without being detected.
Metal Gear series, the pinnacle of “stealth action” where you avoid combat and complete missions while hiding.
The game take place 10 years after METAL GEAR SOLID 3: Snake Eater.
Amidst the swirling conspiracies behind the East-West Cold War, Snake confronts them while leading a private military force.
This is the story of how one soldier, “Snake”, becomes “Big Boss”.
【STORY】
THE ILLUSION OF PEACE FALTERS
In 1964, after saving the world from all-out nuclear war, Naked Snake, a true hero, receives the name Big Boss, but he disappears shortly after the naming ceremony.
Ten years later, Big Boss is running an independent military unit in Columbia, when he is visited by two individuals from Costa Rica, a country without a military.
In a post-Cuban Missile Crisis world, and in a Central America essential to maintaining the power balance between East and West, Costa Rica has been miraculously able to maintain peace.
However, a mysterious armed group has been seen acting suspiciously throughout the region.
They request Big Boss to investigate and eliminate the armed group.
Though he hesitates to accept the request because the tape they brought contained the voice of The Boss, who was supposed to be dead.
【System】
This title offers not only thrilling solo infiltration missions but also co-op with “SENYU” via online connections, and competitive multiplayer for up to six players.
The offshore facility Mother Base supports your missions.
It houses staff living quarters, development labs for mission weapons and gear, storage for captured large-scale weapons, and more. Expanding your staff allows Mother Base to grow and develop, incorporating simulation elements.
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The Screenplay Book containing in-game text from Metal Gear Solid: Peace Walker and the Master Book detailing the story and characters are also included within the game.
[Game]
Metal Gear Solid: Peace Walker (HD Collection version)
*Online play is available for up to 6 players.
[Digital Contents]
Metal Gear Solid: Peace Walker Screenplay Book
Metal Gear Solid: Peace Walker Master Book
*Accessible via the in-game Start Menu.
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【METAL GEAR SOLID: MASTER COLLECTION Vol.1 Save Data Bonus】
If you have save data from titles included in METAL GEAR SOLID MASTER COLLECTION Vol.1, you can receive in-game items usable in the game as a bonus.
・Metal Gear Solid: Peace Walker (HD Collection version) Bonus: Uniform:GOLD
*Bonus content can be obtained by playing this game respectively.
*This requires that save data for titles included in METAL GEAR SOLID: MASTER COLLECTION Vol.1, created using the same account, be present on the console used to play this game.
*Playing this game first, then starting to play titles included in METAL GEAR SOLID: MASTER COLLECTION Vol.1, still qualifies you for this bonus.
| Platforms | Windows |
|---|---|
| Achievements | 50 |
| Age ratings |
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| Controller support | PlayStation, Xbox |
| Controller required | No |
| DRM / EULA |
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