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Skull and Bones is the clearest co-op alternative if your group wants ship combat, ship builds, and shared-world events. It is not a like-for-like replacement for Sea of Thieves: Ubisoft emphasizes naval combat and progression, while Sea of Thieves is known for crew-led sandbox play and encounters with other crews. For cooperative survival and crafting, consider Windrose, currently described as an early-access game in April 2026 coverage. If you want a solo pirate adventure rather than co-op, Assassin’s Creed IV: Black Flag is a strong fit.

Which game is closest to Sea of Thieves for co-op?

Start with what your group wants to do together. Skull and Bones is the most direct choice here for coordinated naval combat and ship progression. Windrose takes a survival-and-building approach. Neither should be assumed to reproduce the specific crew sandbox and competition between crews associated with Sea of Thieves.

Game Best fit Multiplayer distinction Availability note
Skull and Bones Naval combat, ship builds, shared-world events Ubisoft describes solo or team play and cooperative events; its page refers to an ocean of up to 20 players, not a 20-player co-op party. Ubisoft lists a free trial on PC storefronts, PS5, and Xbox Series X|S; confirm live regional and platform availability.
Windrose Co-op survival, resource gathering, and base-building PC Gamer’s April 2026 coverage describes open-world co-op, ship combat, and boarding. That coverage reported the game entering early access; check its current status.
Assassin’s Creed IV: Black Flag Solo Caribbean exploration and pirate action Campaign-oriented single-player, not a co-op substitute. Current platform and edition availability is not established by the sources cited here.

Skull and Bones: co-op focused on ships and combat

Ubisoft frames Skull and Bones around ship classes, loadouts, progression, and fighting at sea. You can play solo or with a team, and the shared world includes cooperative events. That makes it a sensible pick when your group’s priority is building ships and taking on naval encounters together—not recreating every part of Sea of Thieves’ crew-centered sandbox.

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Ubisoft lists a free trial for PC storefronts, PlayStation 5, and Xbox Series X|S. It says trial progress and purchases carry over, and lists cross-play and cross-progression. Availability can vary by platform and region, so check Ubisoft’s current Skull and Bones page before planning a group session. Ubisoft describes an ocean of up to 20 players; that figure is a shared-world feature, not evidence that 20 players can join one co-op party.

#1 Best Overall
Pirates Plund-Arr
  • Fight your way through a fantastic adventure with creature-filled areas including a murky swamp, an Aztec temple and a haunted village
  • Share the excitement with up to 3 other friends in a party style, 2D beat-em up
  • Find and use an arsenal of weapons with 5 distinct weapon types and dozens of variations, each with different attacks and abilities
  • Use the environment to your advantage; pick up and throw rocks and barrels to damage creatures, or just pick up your enemies and throw em overboard
  • Fight up to 40+ unique enemies from skeletons to zombies and battle giant deadly bosses that will try to keep you from finding your treasure

Windrose: co-op pirate survival and building

If you would rather gather supplies and build up a base than focus mainly on ship builds and combat, Windrose offers a different kind of pirate co-op. PC Gamer’s April 14, 2026 coverage describes resource gathering, crafting a base, repairing a ship, rescuing crew, and exploring an open world. It also describes ship-to-ship combat that can involve boarding.

That article reported Windrose entering early access. Early-access status and availability can change, so check the game’s current store listing before buying or organizing a group around it. The available coverage establishes a co-op survival direction, but not that it provides the same player-versus-player crew encounters as Sea of Thieves.

Rank #2
TOMY Pop Up Pirate Family Action Game - 2-4 Players - Ages 4 Years+
  • Swashbucklin' Toys & Games: Pop-Up Pirate is the exciting and nerve-jangling kids game that’s full of swashbuckling surprises for the whole family during family game night
  • Easy Kids Board Games: Pirate Pete is hiding in the barrel! To get him out, players take turns and carefully slip one of the colorful pirate swords into the brown barrel
  • Suspenseful Game Night Games: Which slot will make him pop? If you disturb Pirate Pete in his barrel, he’ll spring out of the top and go flying into the air
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  • Family Games Everyone Can Play: Pop-Up Pirate is fun for the whole family and is a great board game for for 2-4 boys, girls, land lubbers, and older explorers ages 4 years and up

Black Flag: a solo pirate campaign, not co-op

Assassin’s Creed IV: Black Flag is worth considering if the appeal is sailing the Caribbean, hunting for treasure, diving, exploring ports, and fighting from a ship. PC Gamer and Le Monde describe those pirate-adventure elements, but this is a campaign-oriented single-player game—not a way to sail with friends in co-op.

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Other pirate-themed games for a different kind of play

Le Monde’s February 2025 roundup also covers Like a Dragon: Pirate Yakuza in Hawaii, SteamWorld Heist II, and Shadow Gambit: The Cursed Crew. They broaden the genre into action, turn-based tactics, and stealth, respectively. The roundup does not establish them as direct co-op replacements for Sea of Thieves, so choose them for their distinct styles rather than expecting the same multiplayer structure.

Quick Recap

Bestseller No. 1
Pirates Plund-Arr
Pirates Plund-Arr
Share the excitement with up to 3 other friends in a party style, 2D beat-em up
$17.99
SaleBestseller No. 3
Cat Quest - The Fur-tastic Trilogy Nintendo Switch
Cat Quest - The Fur-tastic Trilogy Nintendo Switch
3-pawsome-games-in-1 including a 'Meowvelous' Vinyl Sticker; Embark on a fantasy catventure in Cat Quest
$44.99
Best Value
ZERO STRATEGY GAMES Cutthroat Cove: Pieces of Eight – Fast-Paced Pirate-Themed Card Game for 2–4 Players
  • LIGHTNING-FAST FUN: Dive into a high-seas showdown that plays in 10–15 minutes—perfect as a warm-up or filler when you’re short on time but craving action. Easy to reset, quick to finish, and always fun to replay.
  • INTERACTIVE PIRATE BATTLES: Every card play sparks a clash—steal, swap, or sabotage opponents in a flurry of take-that tactics. No waiting—every turn counts and all players stay locked into the action.
  • RISKY TREASURE HUNT: Aim for exactly eight gold or bust with each draw. Push-your-luck gameplay means a single cursed card can sink your chances. Every choice adds tension and keeps players guessing.
  • EASY TO LEARN, HARD TO MASTER: Simple rules and quick turns make this card game easy for newcomers while still offering clever strategic choices that keep experienced players engaged.
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Rank #4
Pop-Up Dinosaur Pirate Bucket Game – Interactive Parent-Child Board Game for Kids,Toddlers & Children Ages 3 4 5 6 7 8, 2-4 Players, Cute Easter Gift for Boys & Girls
  • Exciting Pop-Up Surprises: Players take turns pressing buttons and pulling tabs in this thrilling game, hoping to avoid the unexpected pop-up dinosaur or pirate surprise! Every turn is full of excitement, making it perfect for family game nights and playdates.
  • FIdeal for Family Fun: Designed for 2-4 players, this interactive game is perfect for families, offering an engaging experience for both kids and adults. Enjoy hours of laughter and friendly competition in a fun, screen-free environment.
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  • erfect Gift for Kids: The Pop-Up Dinosaur Pirate Bucket Game is an ideal gift for birthdays, holidays, or special occasions. With its engaging gameplay and appealing dinosaur and pirate themes, it’s a great choice for both boys and girls.
  • Simple to Use, Enjoyable for All:Easy-to-understand rules make it accessible to younger children, while the suspenseful pop-up feature keeps older players engaged. A must-have addition to any toy collection for family activities and bonding.
Rank #3
Sale
Cat Quest - The Fur-tastic Trilogy Nintendo Switch
  • 3-pawsome-games-in-1 including a 'Meowvelous' Vinyl Sticker
  • Embark on a fantasy catventure in Cat Quest
  • Explore a land of cats and dogs in Cat Quest II
  • Discover secret pirate treasures asnd sail the seas in Cat Quest III
  • The 'Cativating' World of Cat Quest Digital Art book

How to choose for your crew

  • Choose Skull and Bones if coordinated naval combat, ship progression, and shared-world events are the draw.
  • Look at Windrose if you want survival systems, gathering, crafting, and base-building alongside pirate ship combat; confirm its current early-access status.
  • Choose Black Flag if you want a solo pirate campaign, not multiplayer.
  • Stay with Sea of Thieves if the must-have feature is its particular crew sandbox and encounters with other crews; the alternatives above differ in their central loop.

Sources

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.