Single-player games like ONE PIECE World Seeker
Below are 14 single-player Steam games similar to ONE PIECE World Seeker, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like ONE PIECE World Seeker page.
Ranked picks
- 1

One Piece Pirate Warriors 3
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action with ONE PIECE World Seeker.
Enjoy the original story of ONE PIECE from Fuschia Village to the mysterious kingdom of Dressrosa. Will your resolution be strong enough to defeat the most dangerous pirates, including Doflamingo and many more?
- 2

ONE PIECE ODYSSEY
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
A brand new RPG set in the world of the popular anime, ONE PIECE! Play as members of the Straw Hat Crew in a fantastic adventure set in the ONE PIECE world!
- 3

DRAGON BALL Z: KAKAROT
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action with ONE PIECE World Seeker.
The Dragon Ball RPG of your dreams! For the first time, you can play the rest of the story. Step into the universe of Dragon Ball Z in all its iconic glory and become the hero you were always meant to be!
- 4

One Piece Burning Blood
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action with ONE PIECE World Seeker.
The game that all One Piece fans have been waiting for. One Piece Burning Blood is a dynamic and colourful new fighting game featuring the world’s most famous pirate: Monkey D. Luffy.
- 5

ONE PIECE: PIRATE WARRIORS 4
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action with ONE PIECE World Seeker.
ONE PIECE: PIRATE WARRIORS 4 is the latest evolution of PIRATE WARRIORS action! Based on the concept of "experiencing a real ONE PIECE battlefield," buildings will come crashing down during the action and attacks will throw up smoke and dust, placing you in the thick of the ONE PIECE world!
- 6

SCARLET NEXUS
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
Choose between Yuito and Kasane, elite psionics each armed with a talent in psychokinesis and their own reason to fight. Complete both of their stories to unlock all the mysteries of a Brain Punk future caught between technology and psychic abilities.
- 7

DRAGON BALL XENOVERSE 2
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
DRAGON BALL XENOVERSE 2 builds upon the highly popular DRAGON BALL XENOVERSE with enhanced graphics that will further immerse players into the largest and most detailed Dragon Ball world ever developed.
- 8

Tales of ARISE
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action with ONE PIECE World Seeker.
300 years of tyranny. A mysterious mask. Lost pain and memories. Wield the Blazing Sword and join a mysterious, untouchable girl to fight your oppressors. Experience a tale of liberation, featuring characters with next-gen graphical expressiveness!
- 9

Pathfinder: Wrath of the Righteous - Enhanced Edition
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
Embark on a journey to a realm overrun by demons in a new epic RPG from the creators of the critically acclaimed Pathfinder: Kingmaker. Explore the nature of good and evil, learn the true cost of power, and rise as a Mythic Hero capable of deeds beyond mortal expectations.
- 10

The Legend of Heroes: Trails of Cold Steel
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required.
At Thors Military Academy, Erebonia’s best learn everything from the art of war to liberal arts. First year Rean Schwarzer learns he’s been selected to join the controversial Class VII, and they’ll need to deal with more than just class warfare--they’ll need to safeguard their country from chaos.
- 11

Saints Row
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
Welcome to Santo Ileso, a vibrant fictional city in the American Southwest. In a world rife with crime, where lawless factions fight for power, a group of young friends embark on their own criminal venture, as they rise to the top in their bid to become Self Made.
- 12

Divinity: Original Sin 2 - Definitive Edition
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Adventure with ONE PIECE World Seeker.
The critically acclaimed RPG that raised the bar, from the creators of Baldur's Gate 3. Gather your party. Master deep, tactical combat. Venture as a party of up to four - but know that only one of you will have the chance to become a God.
- 13

Metaphor: ReFantazio
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required. Shares Action and Adventure with ONE PIECE World Seeker.
After his assassination, the will of the late king decrees the next monarch to be elected by the people. Forge bonds and win over a kingdom divided in this award-winning fantasy RPG with turn-based and action combat, party customization with powerful Archetypes, and hours of exploration.
- 14

Disgaea PC
Single-player alternative to ONE PIECE World Seeker — playable solo, no multiplayer required.
The hotheaded Laharl seeks to be the next big Overlord in the Netherworld...and will destroy anyone that gets in his way! With his devious vassal Etna and the angel trainee Flonne as his unlikely allies, he must battle his way to supremacy and retake the throne in this over-the-top RPG adventure!