PCGame

NOBUNAGA'S AMBITION: Sphere of Influence - Ascension

Historical grand strategy with officer careers and real-time battles

KOEI TECMO GAMES CO., LTD. · Released Mar 23, 2016

Strategy

Reviews
Mostly Positive
74% of 865
Recent reviews
Not enough recent
Players
264
daily peak, Nov 7, 2026
Steam Deck
Unsupported
Last update on Steam
10 years ago
Oct 26, 2016
Minimum PC
VRAM 128MB over
1 GB RAM · 5 GB disk
Full requirements

What is NOBUNAGA'S AMBITION: Sphere of Influence - Ascension?

A single-player historical grand strategy game set in Japan’s Warring States era. You play an officer who can rise from retainer to castle lord and daimyo, develop territory, build facilities, command real-time battles, and pursue the unification of Japan. Combat includes battlefield missions, formations, sieges, and naval warfare.

For you if...

  • +you want grand strategy centered on conquest and territorial management
  • +you want to rise from retainer to daimyo
  • +you prefer historical warfare with sieges and naval battles

Not for you if...

  • −you want multiplayer strategy campaigns
  • −you dislike slow starts and repetitive late-game conquest
  • −you want streamlined territory management and simple officer progression

What players say

74% of 865 reviews are positive

Players praise the Japan map, territorial administration, city building, and the ability to conquer castles while serving a lord. Complaints repeatedly cite ineffective AI, underdeveloped officer play, longstanding bugs, and too little added over the original Sphere of Influence.

Players over time

▲ +22% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 360 players on Sep 23, 2026.

Show the data
DayPlayers
Nov 7, 2026264
Nov 6, 2026156
Nov 5, 2026153
Nov 4, 2026150
Nov 3, 2026279
Nov 2, 2026172
Nov 1, 2026322
Oct 31, 2026263
Oct 30, 2026156
Oct 29, 2026149
Oct 28, 2026149
Oct 27, 2026156
Oct 26, 2026189
Oct 25, 2026299
Oct 24, 2026280
Oct 23, 2026159
Oct 22, 2026133
Oct 21, 2026142
Oct 20, 2026133
Oct 19, 2026127
Oct 18, 2026283
Oct 17, 2026224
Oct 16, 2026130
Oct 15, 2026111
Oct 14, 2026149
Oct 13, 2026138
Oct 12, 2026246
Oct 11, 2026295
Oct 10, 2026236
Oct 9, 2026146
Oct 8, 2026130
Oct 7, 2026145
Oct 6, 2026133
Oct 5, 2026153
Oct 4, 2026282
Oct 3, 2026270
Oct 2, 2026145
Oct 1, 2026135
Sep 30, 2026151
Sep 29, 2026145
Sep 28, 2026159
Sep 27, 2026314
Sep 26, 2026285
Sep 25, 2026161
Sep 24, 2026140
Sep 23, 2026360
Sep 23, 2026235
Sep 22, 2026237
Sep 21, 2026157

How many players finish NOBUNAGA'S AMBITION: Sphere of Influence - Ascension?

38% of Steam players have unlocked «Sengoku Legend», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

NOBUNAGA'S AMBITION: Sphere of Influence - Ascension screenshot 1

NOBUNAGA'S AMBITION: Sphere of Influence - Ascension system requirements

Minimum: VRAM 128MB over, 1 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run NOBUNAGA'S AMBITION: Sphere of Influence - Ascension?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS
Windows® 10
Processor
Pentium®4 1.6GHz or over
Graphics
VRAM 128MB over
Memory
1 GB RAM
Storage
5 GB available space
DirectX
Version 9.0c

Recommended

OS
Windows® 10
Processor
Multi-core
Graphics
VRAM 512MB over
Memory
1 GB RAM
Storage
5 GB available space
DirectX
Version 9.0c

Does NOBUNAGA'S AMBITION: Sphere of Influence - Ascension have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does NOBUNAGA'S AMBITION: Sphere of Influence - Ascension run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

  • Not supported on SteamOS

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
29
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Full audio: Japanese, English. Text only: Traditional Chinese.

Does NOBUNAGA'S AMBITION: Sphere of Influence - Ascension use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Nov 6, 2026. How to filter AI games on Steam

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