Game Development Studio & PublisherYokohama, Japan
Koei Tecmo
HEADQUARTERSYokohama, Japan
FOUNDED
CEO / LEADERSHIP
Koei Tecmo โ video game studio & publisher behind One Piece Pirate Warriors 3, Atelier Ayesha: The Alchemist of Dusk DX, Atelier Lydie & Suelle ~The Alchemists and the Mysterious Paintings~.
Studio Tech Stack & Proprietary Engines
Explore All EnginesStudio & Publisher Portfolio (56)
Click any game to open its comprehensive knowledge hub, specs, and store prices

Developer
One Piece Pirate Warriors 3
Released 2015๐ 95%MC 88
View Game Page 
Developer & Publisher
Atelier Ayesha: The Alchemist of Dusk DX
Released 2024๐ 93%
View Game Page 
Developer & Publisher
Atelier Lydie & Suelle ~The Alchemists and the Mysterious Paintings~
Released 2024๐ 92%
View Game Page 
Developer & Publisher
Nioh: Complete Edition
Released 2017๐ 77%MC 84
View Game Page 
Developer & Publisher
Attack on Titan / A.O.T. Wings of Freedom
Released 2016๐ 94%MC 88
View Game Page 
Developer & Publisher
Monster Rancher 1 & 2 DX
Released 2024๐ 90%
View Game Page 
Developer & Publisher
FATAL FRAME / PROJECT ZERO: Mask of the Lunar Eclipse
Released 2008๐ 89%
View Game Page 
Developer & Publisher
Atelier Rorona ~The Alchemist of Arland~ DX
Released 2018๐ 90%
View Game Page 
Developer & Publisher
Dynasty Warriors: Origins
Released 2025๐ 91%MC 84
View Game Page 
Developer & Publisher
Atelier Resleriana: The Red Alchemist & the White Guardian
Released 2025๐ 83%MC 88
View Game Page 
Developer & Publisher
Atelier Ryza 3: Alchemist of the End & the Secret Key
Released 2023๐ 87%MC 85
View Game Page 
Developer & Publisher
WARRIORS: Abyss
Released 2024๐ 85%
View Game Page 
Developer & Publisher
Atelier Sophie 2: The Alchemist of the Mysterious Dream
Released 2022๐ 83%MC 83
View Game Page 
Developer & Publisher
Atelier Ryza 3: Alchemist of the End & the Secret Key DX
Released 2025๐ 77%MC 88
View Game Page 
Developer & Publisher
Romance of the Three Kingdoms IX with Power Up Kit
Released 2024๐ 85%
View Game Page 
Developer & Publisher
BERSERK and the Band of the Hawk
Released 2017๐ 81%
View Game Page 
Developer & Publisher
BLUE REFLECTION: Second Light
Released 2021๐ 83%
View Game Page 
Developer & Publisher
Fate/Samurai Remnant
Released 2023๐ 89%MC 80
View Game Page 
Developer & Publisher
DYNASTY WARRIORS 7: Xtreme Legends Definitive Edition
Released 2018๐ 82%
View Game Page 
Developer & Publisher
SAMURAI WARRIORS 5
Released 2021๐ 82%
View Game Page 
Developer & Publisher
Atelier Firis: The Alchemist and the Mysterious Journey / ใใฃใชในใฎใขใใชใจ ๏ฝไธๆ่ญฐใชๆ ใฎ้ฌ้่กๅฃซ๏ฝ
Released 2024๐ 83%
View Game Page 
Developer & Publisher
NOBUNAGA'S AMBITION: Sphere of Influence
Released 2024๐ 83%
View Game Page ![NINJA GAIDEN ฮฃ [NINJA GAIDEN: Master Collection]](https://shared.fastly.steamstatic.com/store_item_assets/steam/apps/1580780/library_600x900_2x.jpg)
Developer & Publisher
NINJA GAIDEN ฮฃ [NINJA GAIDEN: Master Collection]
Released 2021๐ 80%
View Game Page 
Developer & Publisher
Attack on Titan 2 - A.O.T.2
Released 2023๐ 95%MC 78
View Game Page 
Developer & Publisher
Romance of the Three Kingdoms X with Power Up Kit
Released 2024๐ 82%
View Game Page 
Developer & Publisher
Atelier Marie Remake: The Alchemist of Salburg
Released 2023๐ 89%MC 83
View Game Page 
Developer & Publisher
NINJA GAIDEN 2 Black
Released 2024๐ 79%
View Game Page 
Developer & Publisher
Atelier Ryza: Ever Darkness & the Secret Hideout DX
Released 2025๐ 96%MC 83
View Game Page 
Developer & Publisher
BLUE REFLECTION
Released 2017๐ 80%
View Game Page 
Developer
ONE PIECE: PIRATE WARRIORS 4
Released 2023๐ 82%MC 75
View Game Page 
Developer & Publisher
Atelier Karia: The Night Kingdom & the Guide of Memories
Released 2027๐ 91%MC 88
View Game Page 
Developer & Publisher
Attack on Titan 3 / A.O.T. 3
Released 2026๐ 90%MC 88
View Game Page ![NINJA GAIDEN ฮฃ2 [NINJA GAIDEN: Master Collection]](https://shared.fastly.steamstatic.com/store_item_assets/steam/apps/1580790/library_600x900_2x.jpg)
Developer & Publisher
NINJA GAIDEN ฮฃ2 [NINJA GAIDEN: Master Collection]
Released 2021๐ 78%
View Game Page 
Developer & Publisher
Atelier Sophie: The Alchemist of the Mysterious Book DX
Released 2021๐ 88%MC 78
View Game Page 
Developer & Publisher
DYNASTY WARRIORS 8: Xtreme Legends Complete Edition
Released 2013๐ 84%MC 71
View Game Page 
Developer & Publisher
Atelier Ryza 2: Lost Legends & the Secret Fairy DX
Released 2025๐ 89%MC 78
View Game Page 
Developer & Publisher
Atelier Sophie: The Alchemist of the Mysterious Book
Released 2017๐ 86%MC 73
View Game Page 
Developer & Publisher
Toukiden 2
Released 2017๐ 80%MC 73
View Game Page 
Developer & Publisher
Romance of the Three Kingdoms XII with Power Up Kit
Released 2024๐ 74%
View Game Page 
Developer & Publisher
Atelier Firis: The Alchemist and the Mysterious Journey DX
Released 2021๐ 73%
View Game Page 
Developer & Publisher
WARRIORS ALL-STARS
Released 2024๐ 72%
View Game Page 
Developer & Publisher
NOBUNAGA'S AMBITION: Sphere of Influence - Ascension
Released 2016๐ 70%
View Game Page 
Developer & Publisher
Toukiden: Kiwami
Released 2015๐ 69%
View Game Page 
Developer
DRAGON QUEST HEROES Slime Edition
Released 2015๐ 68%
View Game Page 
Developer & Publisher
DYNASTY WARRIORS 8 Empires
Released 2015๐ 67%
View Game Page 
Developer
Uncharted Waters Online
Released 2018๐ 68%
View Game Page 
Developer & Publisher
Romance of the Three Kingdoms VIII with Power Up Kit
Released 2024๐ 68%
View Game Page 
Developer & Publisher
Atelier Yumia: The Alchemist of Memories & the Envisioned Land
Released 2025๐ 63%
View Game Page 
Developer
ONE PIECE: PIRATE WARRIORS 4 Character Pack 8 Special Selection Pack
Released 2026View Game Page

Developer
ONE PIECE: PIRATE WARRIORS 4 Character Pass 3
Released 2025View Game Page

Developer
ONE PIECE: PIRATE WARRIORS 4 Character Pack 7 Future Island Egghead Pack
Released 2025View Game Page

Developer
ONE PIECE: PIRATE WARRIORS 4 Koby's Combat Chronicle & Soul Map 2
Released 2024View Game Page

Developer
ONE PIECE: PIRATE WARRIORS 4 Path to the King of the Pirates & Soul Map 3
Released 2024View Game Page

Developer
ONE PIECE: PIRATE WARRIORS 4 Additional Episodes Pack
Released 2023View Game Page

Developer & Publisher
Romance of the Three Kingdoms XIII
Released 2016๐ 57%
View Game Page 
Developer & Publisher
ROMANCE OF THE THREE KINGDOMS 8 REMAKE
Released 2024๐ 49%
View Game Page