Qookka Games, developer of the latest entry in the "Shinsen" series and holder of an official license from Koei Tecmo Games' Nobunaga's Ambition: Shinsei, is preparing to launch the first PK season for its smartphone game Nobunaga's Ambition: Shinsen — "四雄怒涛" — on Saturday, July 25, 2026. Alongside the announcement, a key visual illustrated by Go Nagano has been unveiled, a giveaway campaign for a specially made hanging scroll is running on the official X account, and sign-ups have opened for an early access server that lets players try the new season ahead of its official launch.
Go Nagano's Key Visual for "四雄怒涛"
To mark the new PK season, a key visual illustrated by Go Nagano — known for his work on the Romance of the Three Kingdoms series, the Nobunaga's Ambition series, and numerous other historical game titles — has been released. Rendered in Nagano's richly textured style, the piece depicts the season's theme, a decisive clash among four powers in the Kanto region, capturing the tension and intensity of an age of chaos in a single image.
Behind the Scenes: Making the Key Visual
The production process behind the key visual has also been shared. Nagano reportedly drew on extensive historical research and cross-checked details against the generals and troop types that appear in the game, carefully studying armor, clothing, and each general's expressions and battlefield poses to bring the world of "四雄怒涛" to life.
Full Details of the July 25 PK Season "四雄怒涛"
A New Chapter Across Seven Areas of the Kanto Region
"四雄怒涛" introduces a new map. The battlefield spans seven major regions: Echigo, Kita-Shinano, Kai and Minami-Shinano, southern Kanto, central Kanto, northern Kanto, and Kozuke. Castles, checkpoints, and terrain from the historical battlegrounds have been recreated down to fine detail, aiming to deliver an unprecedented sense of immersion in this new age of civil war.
Two Alliances, Four Powers
After entering "四雄怒涛," players are assigned to one of two alliances: the Takeda-Hojo alliance or the Uesugi-Satake alliance. At the start, players choose their home province from the region tied to their alliance and fight as part of that faction in service of their lord. Each of the four powers comes with its own distinct strategic style and characteristics.
Eight New Generals and Four Special Troop Types Join the Battle
The first PK season "四雄怒涛" also introduces eight new generals, each bringing distinct abilities that open up new formations and strategies. Details on each general are set to be released one by one.
The season additionally adds four special troop types — Gunners/Dragoons, Archers/Iga Ninja, Ashigaru/Mikawa Warriors, and Cavalry/Echigo Vanguard Corps. Combined with different factions and generals, these troop types significantly change the shape of the battlefield, adding further depth to the tactical experience.
Early Access Server Sign-Ups Now Open
Sign-ups have opened for an early access server for the PK season "四雄怒涛," giving players a valuable opportunity to try the new season ahead of its official release. Full details are available on the official X account for Nobunaga's Ambition: Shinsen: https://x.com/nobunagashinsen
X Campaign: Win a Signed Hanging Scroll of Go Nagano's Key Visual
To celebrate the reveal of the key visual, a campaign is running on the official X account offering a specially made hanging scroll featuring Go Nagano's autographed illustration.
Campaign Period: July 5 (Sun) to July 11 (Sat), 2026
How to Enter:
- Follow the official X account for Nobunaga's Ambition: Shinsen, @nobunagashinsen
- Repost the campaign post with the hashtags #信長の野望真戦 and #四雄怒涛
Commenting on the repost increases the odds of winning.
Prizes:
- "四雄怒涛" key visual hanging scroll — 5 winners
- ¥1,000 Amazon gift card — 10 winners
Further updates on the "四雄怒涛" season and future campaigns will continue to be announced on the official X account.
Download: https://oslink.qookkagames.com/r/LNB3UyWC
Official Website: https://nobunaga-shinsen.qookkagames.jp/
Official X (formerly Twitter): https://x.com/nobunagashinsen
Official YouTube: https://www.youtube.com/@信長の野望真戦
Official Discord: http://discord.gg/nobunagashinsen
