The Game Census
Romance of the Three Kingdoms IX with Power Up Kit cover art

Romance of the Three Kingdoms IX with Power Up Kit

KOEI TECMO GAMES CO., LTD. · 2017-10-17

Steam

Strategy

Franchise: Romance Of The Three Kingdoms (Koei) · Modes: Single player

Releases: Oct 17, 2017 (PC (Microsoft Windows))

"Romance of the Three Kingdoms Ⅸ with Power Up Kit" is an expanded version of "Romance of the Three Kingdoms Ⅸ," which was released in 2003 as the 9th game in the series. RTK Ⅸ is a strategy based simulation game based in China's chaotic Three Kingdoms period.

211
playing now
84%
positive of 608 reviews
Very Positive
steam rating
20,000–50,000
owners (SteamSpy est.)
70/100
IGDB user rating (0 ratings)
$29.99
steam price (US)

211 players in-game as of 2026-08-30 11:00 UTC (census sample)

Romance of the Three Kingdoms IX, also known as Sangokushi IX (三國志IX) in Japan, is the ninth installment in the Romance of the Three Kingdoms (Sangokushi) strategy game series by Koei. The game chronicles the events of 2nd and 3rd century China based on the writings of the historical novel Romance of the Three Kingdoms. Players are able to play through various historical, challenge, or "if" scenarios with the automatic rank of ruler.

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 40% of 5,887 Strategy games in the census by review count.
Estimated sales: 15k–36k copies

Review-multiple estimate from 608 total reviews — how this is computed.

All-time low: $10.19 at Steam (2023-10-30)via IsThereAnyDeal

12-month high $29.99 · on sale 4 of 8 observed days (census price snapshots)

Players online

226562026-08-12 02:00 — 126 players2026-08-12 17:00 — 106 players2026-08-13 09:00 — 184 players2026-08-14 01:00 — 104 players2026-08-14 17:00 — 130 players2026-08-15 09:00 — 217 players2026-08-16 01:00 — 148 players2026-08-16 17:00 — 133 players2026-08-17 09:00 — 159 players2026-08-18 00:00 — 98 players2026-08-18 16:00 — 136 players2026-08-19 08:00 — 169 players2026-08-20 00:00 — 79 players2026-08-20 15:00 — 173 players2026-08-21 07:00 — 163 players2026-08-21 23:00 — 94 players2026-08-22 15:00 — 225 players2026-08-23 06:00 — 205 players2026-08-23 22:00 — 61 players2026-08-24 14:00 — 226 players2026-08-25 06:00 — 137 players2026-08-25 22:00 — 57 players2026-08-26 14:00 — 211 players2026-08-27 07:00 — 134 players2026-08-27 20:00 — 56 players2026-08-28 12:00 — 210 players2026-08-29 04:00 — 161 players2026-08-29 19:00 — 99 players2026-08-30 11:00 — 211 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$29.99$10.192017-10-182026-05-052017-10-18 — best price $29.992018-08-20 — best price $29.992018-11-22 — best price $29.992019-02-17 — best price $29.992019-07-10 — best price $29.992019-11-22 — best price $29.992020-01-27 — best price $29.992020-03-09 — best price $29.992021-04-26 — best price $29.992022-05-09 — best price $29.992023-07-13 — best price $29.992023-11-13 — best price $29.992024-02-19 — best price $29.992024-08-05 — best price $29.992024-10-07 — best price $29.992024-11-11 — best price $29.992025-01-02 — best price $29.992025-02-06 — best price $29.992025-05-08 — best price $29.992025-06-23 — best price $29.992025-10-23 — best price $29.992025-12-15 — best price $29.992026-02-23 — best price $29.992026-05-05 — best price $29.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

2852026-05-29 — 26 pageviews2026-06-01 — 12 pageviews2026-06-04 — 9 pageviews2026-06-07 — 10 pageviews2026-06-10 — 18 pageviews2026-06-13 — 22 pageviews2026-06-16 — 17 pageviews2026-06-19 — 15 pageviews2026-06-22 — 8 pageviews2026-06-25 — 20 pageviews2026-06-28 — 6 pageviews2026-07-01 — 13 pageviews2026-07-04 — 12 pageviews2026-07-07 — 8 pageviews2026-07-10 — 10 pageviews2026-07-13 — 14 pageviews2026-07-16 — 8 pageviews2026-07-19 — 14 pageviews2026-07-22 — 11 pageviews2026-07-25 — 11 pageviews2026-07-28 — 9 pageviews2026-07-31 — 10 pageviews2026-08-03 — 11 pageviews2026-08-06 — 16 pageviews2026-08-09 — 8 pageviews2026-08-12 — 16 pageviews2026-08-15 — 16 pageviews2026-08-18 — 16 pageviews2026-08-21 — 14 pageviews2026-08-24 — 9 pageviews2026-08-26 — 6 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Details

WindowsSingle-playerSteam CloudFamily Sharing

2 supported languages: Japanese, Traditional Chinese

Player tags

WarWargameMilitaryStrategyTacticalTop-DownDiplomacyHistoricalSimulationImmersive Sim

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

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Similarity via IGDB.

Official site ↗