The Game Census
ONE PIECE: PIRATE WARRIORS 4 cover art

ONE PIECE: PIRATE WARRIORS 4

Koei Tecmo · BANDAI NAMCO Entertainment · 2023-09-14

SteamPlayStation StoreAmazonMicrosoft Store

Action

Franchise: One Piece · Modes: Single player, Multiplayer, Co-operative, Split screen · Perspectives: Third person

Releases: Mar 27, 2020 (Nintendo Switch), Mar 26, 2020 (PC (Microsoft Windows)), Apr 28, 2020 (PlayStation 4), Mar 27, 2020 (Xbox One), Nov 21, 2025 (PlayStation 5), Nov 21, 2025 (Xbox Series X|S)

ONE PIECE: PIRATE WARRIORS 4 is the latest evolution of PIRATE WARRIORS action! Based on the concept of "experiencing a real ONE PIECE battlefield," buildings will come crashing down during the action and attacks will throw up smoke and dust, placing you in the thick of the ONE PIECE world!

ONE PIECE: PIRATE WARRIORS 4 is an Action game released in 2023, priced at $39.99, with an owner estimate of 1,000,000 .. 2,000,000 and a review sentiment of Very Positive (92% of 21947 reviews).

129
playing now
92%
positive of 22k reviews
Very Positive
steam's rating (official)
1,000,000–2,000,000
owners (SteamSpy est.)
76/100
critic score (8 outlets, IGDB)
83/100
IGDB user rating (29 ratings)
17
Nexus mods (245k downloads)
4.66★
PlayStation Store rating (14,329 ratings)
75/100
opencritic · strong · 64% recommend · from 84 critics
25h
to beat · rushed 15h · completionist 50h
gold
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$39.99
steam price (US)

129 players in-game as of 2026-10-15 02:00 UTC (census sample)

One Piece: Pirate Warriors 4 is a 2020 action video game developed by Koei Tecmo's Omega Force and published by Bandai Namco Entertainment. It was released for the Nintendo Switch, PlayStation 4, Windows, and Xbox One on March 27, 2020. It is the fourth installment in the Pirate Warriors sub-series, based on the One Piece franchise and Koei Tecmo's Dynasty Warriors series. It was released on March 27, 2020, with ports for Nintendo Switch 2, PlayStation 5, and Xbox Series X/S released on November 21, 2025.

Trailer

ONE PIECE: PIRATE WARRIORS 4 trailer thumbnail

ONE PIECE: PIRATE WARRIORS 4 – Launch Trailer

≈390,164 YouTube results for this game's trailer search

Health check

Healthy
  • · 129 players in-game at the last census sample.
  • · 922 reviews in the last 8 weeks (~115/week).
  • · Review velocity down 3% vs the prior 8 weeks.
  • · Top 3% of 27,914 Action games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 441k–991k copies

Review-multiple estimate from 22,026 total reviews — how this is computed.

Current store prices

Microsoft Store$39.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $5.10 at GreenManGaming (2023-10-12)via IsThereAnyDeal

12-month high $39.99 · on sale 108 of 133 observed days (census price snapshots)

Review momentum

PositiveNegative
1.1k1.1k20202026Week of 2020-03-01: 1,140 positiveWeek of 2020-03-01: 154 negativeWeek of 2020-04-01: 844 positiveWeek of 2020-04-01: 89 negativeWeek of 2020-05-01: 206 positiveWeek of 2020-05-01: 16 negativeWeek of 2020-06-01: 199 positiveWeek of 2020-06-01: 20 negativeWeek of 2020-07-01: 244 positiveWeek of 2020-07-01: 23 negativeWeek of 2020-08-01: 105 positiveWeek of 2020-08-01: 11 negativeWeek of 2020-09-01: 164 positiveWeek of 2020-09-01: 15 negativeWeek of 2020-10-01: 109 positiveWeek of 2020-10-01: 13 negativeWeek of 2020-11-01: 313 positiveWeek of 2020-11-01: 19 negativeWeek of 2020-12-01: 181 positiveWeek of 2020-12-01: 15 negativeWeek of 2021-01-01: 169 positiveWeek of 2021-01-01: 8 negativeWeek of 2021-02-01: 197 positiveWeek of 2021-02-01: 23 negativeWeek of 2021-03-01: 100 positiveWeek of 2021-03-01: 4 negativeWeek of 2021-04-01: 101 positiveWeek of 2021-04-01: 6 negativeWeek of 2021-05-01: 523 positiveWeek of 2021-05-01: 47 negativeWeek of 2021-06-01: 501 positiveWeek of 2021-06-01: 50 negativeWeek of 2021-07-01: 452 positiveWeek of 2021-07-01: 26 negativeWeek of 2021-08-01: 149 positiveWeek of 2021-08-01: 8 negativeWeek of 2021-09-01: 109 positiveWeek of 2021-09-01: 5 negativeWeek of 2021-10-01: 217 positiveWeek of 2021-10-01: 14 negativeWeek of 2021-11-01: 386 positiveWeek of 2021-11-01: 41 negativeWeek of 2021-12-01: 312 positiveWeek of 2021-12-01: 16 negativeWeek of 2022-01-01: 213 positiveWeek of 2022-01-01: 14 negativeWeek of 2022-02-01: 141 positiveWeek of 2022-02-01: 5 negativeWeek of 2022-03-01: 113 positiveWeek of 2022-03-01: 9 negativeWeek of 2022-04-01: 108 positiveWeek of 2022-04-01: 10 negativeWeek of 2022-05-01: 302 positiveWeek of 2022-05-01: 25 negativeWeek of 2022-06-01: 201 positiveWeek of 2022-06-01: 11 negativeWeek of 2022-07-01: 262 positiveWeek of 2022-07-01: 21 negativeWeek of 2022-08-01: 193 positiveWeek of 2022-08-01: 9 negativeWeek of 2022-09-01: 139 positiveWeek of 2022-09-01: 13 negativeWeek of 2022-10-01: 138 positiveWeek of 2022-10-01: 10 negativeWeek of 2022-11-01: 390 positiveWeek of 2022-11-01: 44 negativeWeek of 2022-12-01: 354 positiveWeek of 2022-12-01: 23 negativeWeek of 2023-01-01: 241 positiveWeek of 2023-01-01: 15 negativeWeek of 2023-02-01: 99 positiveWeek of 2023-02-01: 10 negativeWeek of 2023-03-01: 232 positiveWeek of 2023-03-01: 25 negativeWeek of 2023-04-01: 119 positiveWeek of 2023-04-01: 8 negativeWeek of 2023-05-01: 81 positiveWeek of 2023-05-01: 8 negativeWeek of 2023-06-01: 65 positiveWeek of 2023-06-01: 7 negativeWeek of 2023-07-01: 386 positiveWeek of 2023-07-01: 37 negativeWeek of 2023-08-01: 213 positiveWeek of 2023-08-01: 19 negativeWeek of 2023-09-01: 895 positiveWeek of 2023-09-01: 79 negativeWeek of 2023-10-01: 212 positiveWeek of 2023-10-01: 29 negativeWeek of 2023-11-01: 217 positiveWeek of 2023-11-01: 23 negativeWeek of 2023-12-01: 323 positiveWeek of 2023-12-01: 34 negativeWeek of 2024-01-01: 306 positiveWeek of 2024-01-01: 28 negativeWeek of 2024-02-01: 207 positiveWeek of 2024-02-01: 29 negativeWeek of 2024-03-01: 258 positiveWeek of 2024-03-01: 24 negativeWeek of 2024-04-01: 170 positiveWeek of 2024-04-01: 10 negativeWeek of 2024-05-01: 147 positiveWeek of 2024-05-01: 11 negativeWeek of 2024-06-01: 141 positiveWeek of 2024-06-01: 10 negativeWeek of 2024-07-01: 170 positiveWeek of 2024-07-01: 23 negativeWeek of 2024-08-01: 221 positiveWeek of 2024-08-01: 30 negativeWeek of 2024-09-01: 141 positiveWeek of 2024-09-01: 8 negativeWeek of 2024-10-01: 128 positiveWeek of 2024-10-01: 59 negativeWeek of 2024-11-01: 87 positiveWeek of 2024-11-01: 11 negativeWeek of 2024-12-01: 191 positiveWeek of 2024-12-01: 17 negativeWeek of 2025-01-01: 130 positiveWeek of 2025-01-01: 14 negativeWeek of 2025-02-01: 117 positiveWeek of 2025-02-01: 9 negativeWeek of 2025-03-01: 118 positiveWeek of 2025-03-01: 14 negativeWeek of 2025-04-01: 85 positiveWeek of 2025-04-01: 10 negativeWeek of 2025-05-01: 107 positiveWeek of 2025-05-01: 7 negativeWeek of 2025-06-01: 73 positiveWeek of 2025-06-01: 5 negativeWeek of 2025-07-01: 110 positiveWeek of 2025-07-01: 14 negativeWeek of 2025-08-01: 145 positiveWeek of 2025-08-01: 14 negativeWeek of 2025-09-01: 93 positiveWeek of 2025-09-01: 10 negativeWeek of 2025-10-01: 144 positiveWeek of 2025-10-01: 11 negativeWeek of 2025-11-01: 108 positiveWeek of 2025-11-01: 12 negativeWeek of 2025-12-01: 84 positiveWeek of 2025-12-01: 13 negativeWeek of 2026-01-01: 74 positiveWeek of 2026-01-01: 7 negativeWeek of 2026-02-01: 83 positiveWeek of 2026-02-01: 6 negativeWeek of 2026-03-01: 137 positiveWeek of 2026-03-01: 12 negativeWeek of 2026-04-01: 131 positiveWeek of 2026-04-01: 12 negativeWeek of 2026-05-01: 108 positiveWeek of 2026-05-01: 12 negativeWeek of 2026-06-01: 80 positiveWeek of 2026-06-01: 6 negativeWeek of 2026-07-01: 145 positiveWeek of 2026-07-01: 12 negativeWeek of 2026-08-01: 50 positiveWeek of 2026-08-01: 7 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

4881292026-09-15 12:00 — 355 players2026-09-16 20:00 — 221 players2026-09-18 03:00 — 227 players2026-09-19 11:00 — 396 players2026-09-20 18:00 — 270 players2026-09-22 02:00 — 188 players2026-09-23 10:00 — 215 players2026-09-24 17:00 — 232 players2026-09-26 01:00 — 164 players2026-09-27 08:00 — 287 players2026-09-28 16:00 — 287 players2026-09-29 23:00 — 139 players2026-10-01 07:00 — 188 players2026-10-02 14:00 — 395 players2026-10-03 22:00 — 232 players2026-10-05 06:00 — 269 players2026-10-06 13:00 — 407 players2026-10-07 21:00 — 197 players2026-10-09 04:00 — 230 players2026-10-10 12:00 — 357 players2026-10-11 20:00 — 229 players2026-10-13 03:00 — 167 players2026-10-14 11:00 — 196 players2026-10-15 02:00 — 129 players
Concurrent players, hourly average, last 30 days (census samples).
1.9k181Apr 2020Aug 2026Apr 2020 — avg 1,531 · peak 6,042Jun 2020 — avg 339 · peak 978Aug 2020 — avg 271 · peak 628Oct 2020 — avg 228 · peak 621Dec 2020 — avg 287 · peak 793Feb 2021 — avg 359 · peak 1,142Apr 2021 — avg 211 · peak 1,073Jun 2021 — avg 737 · peak 2,747Aug 2021 — avg 288 · peak 595Oct 2021 — avg 338 · peak 1,121Dec 2021 — avg 439 · peak 1,142Feb 2022 — avg 320 · peak 903Apr 2022 — avg 346 · peak 1,377Jun 2022 — avg 421 · peak 1,111Aug 2022 — avg 444 · peak 1,143Oct 2022 — avg 301 · peak 867Dec 2022 — avg 677 · peak 2,059Feb 2023 — avg 246 · peak 532Apr 2023 — avg 290 · peak 706Jun 2023 — avg 197 · peak 634Aug 2023 — avg 508 · peak 1,120Oct 2023 — avg 643 · peak 1,742Dec 2023 — avg 670 · peak 1,910Feb 2024 — avg 466 · peak 904Apr 2024 — avg 538 · peak 1,350Jun 2024 — avg 347 · peak 787Aug 2024 — avg 532 · peak 1,382Oct 2024 — avg 303 · peak 764Dec 2024 — avg 327 · peak 679Feb 2025 — avg 292 · peak 681Apr 2025 — avg 215 · peak 516Jun 2025 — avg 222 · peak 576Aug 2025 — avg 423 · peak 1,029Oct 2025 — avg 347 · peak 747Dec 2025 — avg 253 · peak 484Feb 2026 — avg 298 · peak 585Apr 2026 — avg 374 · peak 770Jun 2026 — avg 247 · peak 558Aug 2026 — avg 181 · peak 382
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Chart history

PositiveNegative
882026-09-252026-10-102026-09-25: 4 new positive2026-09-26: 4 new positive2026-09-28: 3 new positive2026-09-28: 1 new negative2026-09-30: 6 new positive2026-10-02: 3 new positive2026-10-03: 2 new positive2026-10-04: 6 new positive2026-10-05: 1 new positive2026-10-06: 8 new positive2026-10-07: 1 new positive2026-10-09: 2 new positive2026-10-10: 4 new positive
New Steam reviews per day (census review snapshots). Positive above the line, negative below.

Price history

$59.99$5.162020-01-212026-10-102020-01-21 — best price $44.212020-06-20 — best price $44.992020-09-14 — best price $59.992020-12-03 — best price $59.992021-03-09 — best price $59.992021-05-18 — best price $59.992021-08-19 — best price $14.232021-11-08 — best price $14.832022-01-11 — best price $59.992022-04-28 — best price $12.542022-06-24 — best price $14.992022-08-29 — best price $49.192022-11-04 — best price $14.792022-12-31 — best price $59.992023-03-26 — best price $9.002023-05-25 — best price $50.992023-08-07 — best price $8.092023-09-21 — best price $5.162023-12-03 — best price $14.962024-02-06 — best price $39.992024-04-24 — best price $8.602024-06-28 — best price $8.492024-09-02 — best price $39.992024-11-11 — best price $14.402025-01-16 — best price $33.892025-04-24 — best price $8.602025-07-10 — best price $39.992025-10-06 — best price $36.792026-01-19 — best price $7.592026-03-20 — best price $33.172026-06-07 — best price $33.172026-08-10 — best price $29.742026-09-23 — best price $6.992026-10-10 — best price $39.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

196662026-06-02 — 96 pageviews2026-06-06 — 113 pageviews2026-06-10 — 116 pageviews2026-06-14 — 118 pageviews2026-06-18 — 87 pageviews2026-06-22 — 83 pageviews2026-06-26 — 196 pageviews2026-06-30 — 81 pageviews2026-07-04 — 107 pageviews2026-07-08 — 72 pageviews2026-07-12 — 89 pageviews2026-07-16 — 66 pageviews2026-07-20 — 87 pageviews2026-07-24 — 88 pageviews2026-07-28 — 109 pageviews2026-08-01 — 107 pageviews2026-08-05 — 84 pageviews2026-08-09 — 94 pageviews2026-08-13 — 74 pageviews2026-08-17 — 94 pageviews2026-08-21 — 91 pageviews2026-08-25 — 88 pageviews2026-08-29 — 91 pageviews2026-09-02 — 80 pageviews2026-09-06 — 128 pageviews2026-09-10 — 103 pageviews2026-09-14 — 100 pageviews2026-09-18 — 101 pageviews2026-09-22 — 96 pageviews2026-09-26 — 115 pageviews2026-09-30 — 78 pageviews2026-10-04 — 124 pageviews2026-10-08 — 97 pageviews2026-10-11 — 113 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Twitch viewers

1512026-10-01 11:34 — 1 viewers2026-10-01 16:34 — 2 viewers2026-10-02 15:34 — 4 viewers2026-10-02 19:34 — 3 viewers2026-10-02 23:34 — 2 viewers2026-10-03 03:34 — 1 viewers2026-10-03 07:34 — 3 viewers2026-10-03 11:34 — 3 viewers2026-10-03 15:34 — 9 viewers2026-10-03 19:34 — 1 viewers2026-10-04 16:34 — 4 viewers2026-10-04 20:34 — 2 viewers2026-10-05 00:34 — 5 viewers2026-10-05 04:34 — 3 viewers2026-10-05 10:34 — 1 viewers2026-10-05 14:34 — 1 viewers2026-10-05 18:34 — 7 viewers2026-10-06 14:34 — 1 viewers2026-10-06 18:34 — 1 viewers2026-10-06 22:34 — 2 viewers2026-10-07 02:34 — 4 viewers2026-10-07 06:34 — 1 viewers2026-10-07 10:34 — 1 viewers2026-10-07 14:34 — 1 viewers2026-10-07 18:34 — 6 viewers2026-10-08 14:34 — 3 viewers2026-10-08 18:34 — 12 viewers2026-10-08 22:34 — 5 viewers2026-10-09 02:34 — 1 viewers2026-10-09 07:34 — 1 viewers2026-10-09 11:34 — 2 viewers2026-10-09 15:34 — 2 viewers2026-10-09 19:34 — 1 viewers2026-10-10 14:34 — 2 viewers2026-10-10 18:35 — 2 viewers2026-10-10 23:34 — 7 viewers2026-10-11 12:34 — 1 viewers2026-10-11 16:34 — 2 viewers2026-10-12 12:34 — 2 viewers2026-10-12 13:34 — 1 viewers
Hourly Twitch viewers (census snapshots).

Completion

40
achievements tracked
92.3%
earned "I'm Getting Fired Up...!"
44.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerPvPOnline PvPSteam AchievementsIn-App PurchasesPartial Controller SupportSteam CloudRemote Play on PhoneRemote Play on Tablet18 DLC

12 supported languages: English, French, Italian, German, Spanish - Spain, Korean, Polish, Portuguese - Brazil, Russian, Thai, Traditional Chinese, Simplified Chinese

Post-launch support: 18 DLC released, first 2020-03-26, latest 2026-01-21 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
PS4 (PlayStation)25,66740%40
Xbox Series, Xbox One (Xbox)20,9808%40
Steam (Steam)8,53321%40
PS5 (PlayStation)4,08850%40
Windows (Xbox)2,51210%40
Switch (Nintendo)3030%0
Switch (Nintendo)2090%0

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

PvPRPGAnimeCo-opMusouActionArcadePiratesFightingAdventure

Census log

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

Recent updates

Players also track

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Similarity via IGDB.

Wikipedia ↗Official site ↗