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.

Romance of the Three Kingdoms IX with Power Up Kit is a 2017 Strategy game priced at $29.99, with a Very Positive review sentiment (84% of 610 reviews) and an estimated owner base of 20,000 .. 50,000.

139
playing now
84%
positive of 610 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
70/100
IGDB user rating (0 ratings)
Playable
Steam Deck (Valve)
SteamOS: Playable
$29.99
steam price (US)

139 players in-game as of 2026-10-14 06:00 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

Quietly active
  • · 139 players in-game at the last census sample.
  • · 41 reviews in the last 8 weeks (~5/week).
  • · Review velocity down 2% vs the prior 8 weeks.
  • · Top 19% of 14,061 Strategy games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 15k–37k copies

Review-multiple estimate from 610 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 3 of 7 observed days (census price snapshots)

Review momentum

PositiveNegative
212120172026Week of 2017-11-01: 21 positiveWeek of 2017-11-01: 3 negativeWeek of 2017-12-01: 11 positiveWeek of 2018-01-01: 13 positiveWeek of 2018-01-01: 1 negativeWeek of 2018-02-01: 7 positiveWeek of 2018-02-01: 1 negativeWeek of 2018-03-01: 4 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 1 positiveWeek of 2018-05-01: 2 positiveWeek of 2018-06-01: 3 positiveWeek of 2018-06-01: 1 negativeWeek of 2018-07-01: 7 positiveWeek of 2018-07-01: 1 negativeWeek of 2018-08-01: 3 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-09-01: 5 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-11-01: 7 positiveWeek of 2018-12-01: 3 positiveWeek of 2019-01-01: 1 positiveWeek of 2019-01-01: 3 negativeWeek of 2019-02-01: 4 positiveWeek of 2019-03-01: 1 positiveWeek of 2019-04-01: 1 positiveWeek of 2019-04-01: 2 negativeWeek of 2019-05-01: 1 positiveWeek of 2019-05-01: 2 negativeWeek of 2019-06-01: 3 positiveWeek of 2019-07-01: 4 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-10-01: 6 positiveWeek of 2019-10-01: 2 negativeWeek of 2019-11-01: 9 positiveWeek of 2019-11-01: 2 negativeWeek of 2019-12-01: 6 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 9 positiveWeek of 2020-01-01: 3 negativeWeek of 2020-02-01: 8 positiveWeek of 2020-03-01: 10 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 2 positiveWeek of 2020-05-01: 3 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 6 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 6 positiveWeek of 2020-08-01: 1 positiveWeek of 2020-09-01: 4 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 4 positiveWeek of 2020-11-01: 1 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 6 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 3 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-02-01: 5 positiveWeek of 2021-02-01: 2 negativeWeek of 2021-03-01: 1 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-04-01: 6 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 3 positiveWeek of 2021-06-01: 3 positiveWeek of 2021-07-01: 2 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 5 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 4 positiveWeek of 2021-10-01: 3 positiveWeek of 2021-11-01: 4 positiveWeek of 2021-12-01: 5 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 1 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 2 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-03-01: 5 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 9 positiveWeek of 2022-04-01: 2 negativeWeek of 2022-05-01: 11 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 5 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 3 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 3 positiveWeek of 2022-09-01: 3 positiveWeek of 2022-10-01: 4 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 1 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 4 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-02-01: 3 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 3 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 2 positiveWeek of 2023-05-01: 2 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 6 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 10 positiveWeek of 2023-07-01: 2 negativeWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 7 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 3 positiveWeek of 2023-11-01: 9 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 5 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 2 positiveWeek of 2024-01-01: 3 negativeWeek of 2024-02-01: 8 positiveWeek of 2024-03-01: 4 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 5 positiveWeek of 2024-05-01: 5 positiveWeek of 2024-06-01: 6 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 6 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 4 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 8 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 3 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 7 positiveWeek of 2024-11-01: 3 negativeWeek of 2024-12-01: 5 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 4 positiveWeek of 2025-02-01: 2 positiveWeek of 2025-03-01: 2 positiveWeek of 2025-04-01: 2 positiveWeek of 2025-04-01: 4 negativeWeek of 2025-05-01: 4 positiveWeek of 2025-06-01: 6 positiveWeek of 2025-07-01: 7 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-08-01: 2 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 2 positiveWeek of 2025-10-01: 4 positiveWeek of 2025-10-01: 2 negativeWeek of 2025-11-01: 3 positiveWeek of 2025-11-01: 2 negativeWeek of 2025-12-01: 9 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 6 positiveWeek of 2026-02-01: 2 positiveWeek of 2026-02-01: 2 negativeWeek of 2026-03-01: 6 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 3 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 2 positiveWeek of 2026-07-01: 4 positiveWeek of 2026-07-01: 2 negativeWeek of 2026-08-01: 2 positiveWeek of 2026-08-01: 3 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

255542026-09-15 07:00 — 148 players2026-09-16 15:00 — 193 players2026-09-17 22:00 — 55 players2026-09-19 06:00 — 178 players2026-09-20 13:00 — 255 players2026-09-21 21:00 — 67 players2026-09-23 05:00 — 131 players2026-09-24 12:00 — 187 players2026-09-25 20:00 — 85 players2026-09-27 03:00 — 180 players2026-09-28 11:00 — 176 players2026-09-29 18:00 — 85 players2026-10-01 02:00 — 119 players2026-10-02 09:00 — 179 players2026-10-03 17:00 — 126 players2026-10-05 01:00 — 100 players2026-10-06 08:00 — 173 players2026-10-07 16:00 — 122 players2026-10-08 23:00 — 78 players2026-10-10 07:00 — 181 players2026-10-11 14:00 — 211 players2026-10-12 22:00 — 57 players2026-10-14 06:00 — 139 players
Concurrent players, hourly average, last 30 days (census samples).
17220Oct 2017Aug 2026Oct 2017 — avg 25 · peak 63Jan 2018 — avg 24 · peak 66Apr 2018 — avg 22 · peak 48Jul 2018 — avg 24 · peak 59Oct 2018 — avg 28 · peak 69Jan 2019 — avg 28 · peak 63Apr 2019 — avg 31 · peak 73Jul 2019 — avg 33 · peak 76Oct 2019 — avg 38 · peak 94Jan 2020 — avg 44 · peak 114Apr 2020 — avg 53 · peak 142Jul 2020 — avg 38 · peak 84Oct 2020 — avg 40 · peak 87Jan 2021 — avg 50 · peak 107Apr 2021 — avg 45 · peak 112Jul 2021 — avg 59 · peak 124Oct 2021 — avg 57 · peak 117Jan 2022 — avg 65 · peak 131Apr 2022 — avg 77 · peak 180Jul 2022 — avg 80 · peak 151Oct 2022 — avg 91 · peak 167Jan 2023 — avg 109 · peak 213Apr 2023 — avg 106 · peak 203Jul 2023 — avg 138 · peak 269Oct 2023 — avg 141 · peak 261Jan 2024 — avg 133 · peak 259Apr 2024 — avg 141 · peak 283Jul 2024 — avg 143 · peak 307Oct 2024 — avg 159 · peak 301Jan 2025 — avg 146 · peak 272Apr 2025 — avg 143 · peak 274Jul 2025 — avg 134 · peak 273Oct 2025 — avg 153 · peak 287Jan 2026 — avg 127 · peak 258Apr 2026 — avg 129 · peak 249Jul 2026 — avg 140 · peak 275Aug 2026 — avg 145 · peak 266
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

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

2652026-05-29 — 26 pageviews2026-06-02 — 13 pageviews2026-06-06 — 12 pageviews2026-06-10 — 18 pageviews2026-06-14 — 20 pageviews2026-06-18 — 15 pageviews2026-06-22 — 8 pageviews2026-06-26 — 19 pageviews2026-06-30 — 17 pageviews2026-07-04 — 12 pageviews2026-07-08 — 10 pageviews2026-07-12 — 11 pageviews2026-07-16 — 8 pageviews2026-07-20 — 11 pageviews2026-07-24 — 16 pageviews2026-07-28 — 9 pageviews2026-08-01 — 11 pageviews2026-08-05 — 12 pageviews2026-08-09 — 8 pageviews2026-08-13 — 12 pageviews2026-08-17 — 13 pageviews2026-08-21 — 14 pageviews2026-08-25 — 12 pageviews2026-08-29 — 12 pageviews2026-09-02 — 6 pageviews2026-09-06 — 16 pageviews2026-09-10 — 10 pageviews2026-09-14 — 20 pageviews2026-09-18 — 9 pageviews2026-09-22 — 9 pageviews2026-09-26 — 19 pageviews2026-09-30 — 10 pageviews2026-10-04 — 18 pageviews2026-10-08 — 13 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

TransOcean: The Shipping CompanyPolaris SectorAnother Brick in The MallRomance of the Three KingdomsBronze Age - HD EditionROMANCE OF THE THREE KINGDOMS XIVBusiness Magnate

Similarity via IGDB.

Official site ↗