The Game Census
Onechanbara Z2: Chaos cover art

Onechanbara Z2: Chaos

Tamsoft · D3PUBLISHER · 2016-06-02

SteamPlayStation StoreAmazon

Action

Franchise: Oneechanbara · Modes: Single player · Perspectives: Third person

Releases: Jun 02, 2016 (PC (Microsoft Windows)), Jul 21, 2015 (PlayStation 4)

Onechanbara Z2: Chaos is the latest entry in the Onechanbara series. Two sets of buxom vampire sisters battle through over a dozen stages of high-octane real-time swordplay. Fight off the invasion in gruesome detail, occasionally transforming into a demon for short bursts of added power and speed.

Onechanbara Z2: Chaos is an Action game released in 2016, priced at $39.99, with an estimated 20,000 .. 50,000 owners and a Mostly Positive review sentiment (79% of 1063 reviews).

4
playing now
79%
positive of 1.1k reviews
Mostly Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
60/100
critic score (8 outlets, IGDB)
66/100
IGDB user rating (13 ratings)
3
Nexus mods (245 downloads)
4.39★
PlayStation Store rating (3,897 ratings)
gold
deck/linux tier (ProtonDB)
$39.99
steam price (US)

4 players in-game as of 2026-10-14 21:00 UTC (census sample)

Onechanbara Z2: Chaos is a 2014 hack and slash video game developed by Tamsoft. Part of the Onechanbara series, it is the sequel to the 2012 Japan-exclusive Xbox 360 title OneChanbara Z ~ Kagura ~ , and the first game in the series to be localized since Onechanbara: Bikini Samurai Squad and OneChanbara: Bikini Zombie Slayers in 2009.

Health check

Quietly active
  • · 4 players in-game at the last census sample.
  • · 43 reviews in the last 8 weeks (~5/week).
  • · Review velocity up 34% vs the prior 8 weeks.
  • · Top 15% of 27,913 Action games in the census by review count.
Estimated sales: 27k–64k copies

Review-multiple estimate from 1,063 total reviews — how this is computed.

All-time low: $6.99 at WinGameStore (2025-04-07) · bundled 2×via IsThereAnyDeal

12-month high $39.99 · on sale 47 of 68 observed days (census price snapshots)

Review momentum

PositiveNegative
141420172026Week of 2017-12-01: 6 positiveWeek of 2018-01-01: 3 positiveWeek of 2018-01-01: 3 negativeWeek of 2018-02-01: 8 positiveWeek of 2018-02-01: 3 negativeWeek of 2018-03-01: 1 positiveWeek of 2018-03-01: 3 negativeWeek of 2018-04-01: 2 negativeWeek of 2018-05-01: 3 positiveWeek of 2018-06-01: 11 positiveWeek of 2018-06-01: 4 negativeWeek of 2018-07-01: 4 positiveWeek of 2018-07-01: 2 negativeWeek of 2018-08-01: 1 positiveWeek of 2018-09-01: 3 positiveWeek of 2018-09-01: 3 negativeWeek of 2018-10-01: 2 negativeWeek of 2018-11-01: 2 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 5 positiveWeek of 2018-12-01: 2 negativeWeek of 2019-01-01: 3 positiveWeek of 2019-01-01: 2 negativeWeek of 2019-02-01: 6 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 13 positiveWeek of 2019-03-01: 3 negativeWeek of 2019-04-01: 1 positiveWeek of 2019-04-01: 1 negativeWeek of 2019-05-01: 5 positiveWeek of 2019-05-01: 1 negativeWeek of 2019-06-01: 5 positiveWeek of 2019-07-01: 5 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-08-01: 1 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 10 positiveWeek of 2019-09-01: 7 negativeWeek of 2019-10-01: 8 positiveWeek of 2019-10-01: 3 negativeWeek of 2019-11-01: 6 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 9 positiveWeek of 2019-12-01: 2 negativeWeek of 2020-01-01: 9 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 8 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 13 positiveWeek of 2020-03-01: 7 negativeWeek of 2020-04-01: 10 positiveWeek of 2020-04-01: 2 negativeWeek of 2020-05-01: 9 positiveWeek of 2020-06-01: 4 positiveWeek of 2020-06-01: 3 negativeWeek of 2020-07-01: 12 positiveWeek of 2020-08-01: 2 positiveWeek of 2020-08-01: 3 negativeWeek of 2020-09-01: 3 positiveWeek of 2020-09-01: 4 negativeWeek of 2020-10-01: 14 positiveWeek of 2020-10-01: 2 negativeWeek of 2020-11-01: 9 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 3 positiveWeek of 2021-01-01: 3 positiveWeek of 2021-02-01: 4 positiveWeek of 2021-02-01: 2 negativeWeek of 2021-03-01: 13 positiveWeek of 2021-03-01: 5 negativeWeek of 2021-04-01: 5 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 2 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-06-01: 1 positiveWeek of 2021-07-01: 3 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 3 positiveWeek of 2021-08-01: 3 negativeWeek of 2021-09-01: 3 positiveWeek of 2021-10-01: 5 positiveWeek of 2021-10-01: 3 negativeWeek of 2021-11-01: 9 positiveWeek of 2021-11-01: 2 negativeWeek of 2021-12-01: 4 positiveWeek of 2022-01-01: 1 positiveWeek of 2022-02-01: 4 positiveWeek of 2022-03-01: 5 positiveWeek of 2022-03-01: 3 negativeWeek of 2022-04-01: 10 positiveWeek of 2022-04-01: 1 negativeWeek of 2022-05-01: 5 positiveWeek of 2022-06-01: 3 positiveWeek of 2022-07-01: 1 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-09-01: 4 positiveWeek of 2022-10-01: 1 positiveWeek of 2022-11-01: 5 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 6 positiveWeek of 2023-01-01: 3 positiveWeek of 2023-02-01: 3 positiveWeek of 2023-03-01: 3 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 3 positiveWeek of 2023-05-01: 8 positiveWeek of 2023-06-01: 2 positiveWeek of 2023-07-01: 4 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 5 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 2 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 2 positiveWeek of 2023-12-01: 6 positiveWeek of 2024-01-01: 2 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 4 positiveWeek of 2024-03-01: 4 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 5 positiveWeek of 2024-05-01: 7 positiveWeek of 2024-06-01: 3 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 5 positiveWeek of 2024-08-01: 2 positiveWeek of 2024-09-01: 6 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 2 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 3 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 5 positiveWeek of 2024-12-01: 3 negativeWeek of 2025-01-01: 3 positiveWeek of 2025-01-01: 2 negativeWeek of 2025-02-01: 4 positiveWeek of 2025-03-01: 9 positiveWeek of 2025-04-01: 1 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 2 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 5 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 4 positiveWeek of 2025-09-01: 3 positiveWeek of 2025-10-01: 4 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 7 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 5 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 8 positiveWeek of 2026-02-01: 5 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 8 positiveWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-06-01: 6 positiveWeek of 2026-07-01: 5 positiveWeek of 2026-08-01: 4 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1002026-09-15 22:00 — 2 players2026-09-17 06:00 — 0 players2026-09-18 14:00 — 0 players2026-09-19 21:00 — 2 players2026-09-21 05:00 — 1 players2026-09-22 12:00 — 2 players2026-09-23 20:00 — 5 players2026-09-25 03:00 — 0 players2026-09-26 11:00 — 3 players2026-09-27 18:00 — 3 players2026-09-29 02:00 — 2 players2026-09-30 09:00 — 2 players2026-10-01 17:00 — 3 players2026-10-03 00:00 — 4 players2026-10-04 08:00 — 1 players2026-10-05 16:00 — 4 players2026-10-07 00:00 — 5 players2026-10-08 07:00 — 4 players2026-10-09 15:00 — 2 players2026-10-10 22:00 — 2 players2026-10-12 06:00 — 3 players2026-10-13 13:00 — 3 players2026-10-14 21:00 — 4 players
Concurrent players, hourly average, last 30 days (census samples).
441Jun 2016Aug 2026Jun 2016 — avg 44 · peak 245Sep 2016 — avg 3 · peak 11Dec 2016 — avg 4 · peak 17Mar 2017 — avg 5 · peak 26Jun 2017 — avg 3 · peak 15Sep 2017 — avg 2 · peak 8Dec 2017 — avg 3 · peak 11Mar 2018 — avg 2 · peak 7Jun 2018 — avg 4 · peak 23Sep 2018 — avg 4 · peak 19Dec 2018 — avg 3 · peak 13Mar 2019 — avg 3 · peak 20Jun 2019 — avg 2 · peak 8Sep 2019 — avg 8 · peak 88Dec 2019 — avg 4 · peak 21Mar 2020 — avg 5 · peak 17Jun 2020 — avg 3 · peak 15Sep 2020 — avg 3 · peak 12Dec 2020 — avg 3 · peak 13Mar 2021 — avg 8 · peak 46Jun 2021 — avg 2 · peak 8Sep 2021 — avg 2 · peak 9Dec 2021 — avg 2 · peak 8Mar 2022 — avg 5 · peak 20Jun 2022 — avg 2 · peak 5Sep 2022 — avg 4 · peak 15Dec 2022 — avg 2 · peak 7Apr 2023 — avg 2 · peak 7Jul 2023 — avg 2 · peak 6Nov 2023 — avg 2 · peak 7Mar 2024 — avg 4 · peak 12Jun 2024 — avg 2 · peak 8Oct 2024 — avg 2 · peak 9Mar 2025 — avg 3 · peak 8Feb 2026 — avg 3 · peak 8Aug 2026 — avg 2 · peak 10
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$39.99$6.482016-06-032026-08-242016-06-03 — best price $27.992016-11-21 — best price $39.992017-03-31 — best price $39.992017-11-28 — best price $39.992018-07-05 — best price $39.992019-01-10 — best price $15.992019-06-25 — best price $15.992019-10-29 — best price $39.992020-01-21 — best price $9.992020-06-25 — best price $9.992020-11-25 — best price $11.192021-04-09 — best price $39.992021-09-29 — best price $9.992022-02-04 — best price $9.992022-07-15 — best price $9.992022-11-22 — best price $9.992023-03-23 — best price $39.992023-08-18 — best price $9.992024-01-04 — best price $39.992024-05-06 — best price $39.992024-07-09 — best price $39.992024-09-25 — best price $39.992024-11-27 — best price $9.992025-01-25 — best price $9.602025-02-06 — best price $33.192025-04-08 — best price $9.602025-05-14 — best price $37.992025-07-22 — best price $33.122025-09-03 — best price $36.802025-10-09 — best price $7.212025-11-20 — best price $6.482025-12-04 — best price $35.492026-02-03 — best price $33.592026-02-27 — best price $33.172026-05-01 — best price $8.062026-06-15 — best price $39.992026-08-24 — best price $9.36
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

84112026-05-27 — 22 pageviews2026-05-31 — 20 pageviews2026-06-04 — 17 pageviews2026-06-08 — 28 pageviews2026-06-12 — 24 pageviews2026-06-16 — 49 pageviews2026-06-20 — 23 pageviews2026-06-24 — 29 pageviews2026-06-28 — 41 pageviews2026-07-02 — 31 pageviews2026-07-06 — 46 pageviews2026-07-10 — 26 pageviews2026-07-14 — 25 pageviews2026-07-18 — 27 pageviews2026-07-22 — 38 pageviews2026-07-26 — 23 pageviews2026-07-30 — 25 pageviews2026-08-03 — 28 pageviews2026-08-07 — 31 pageviews2026-08-11 — 35 pageviews2026-08-15 — 27 pageviews2026-08-19 — 84 pageviews2026-08-23 — 32 pageviews2026-08-27 — 25 pageviews2026-08-31 — 34 pageviews2026-09-04 — 25 pageviews2026-09-08 — 54 pageviews2026-09-12 — 24 pageviews2026-09-16 — 35 pageviews2026-09-20 — 52 pageviews2026-09-24 — 30 pageviews2026-09-28 — 38 pageviews2026-10-02 — 26 pageviews2026-10-06 — 11 pageviews2026-10-10 — 25 pageviews2026-10-12 — 36 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

44
achievements tracked
80.9%
earned "The Beginner"
5.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam Trading CardsSteam LeaderboardsRemote Play on TVFamily Sharing37 DLC

1 supported languages: English

Post-launch support: 37 DLC released, first 2016-06-03, latest 2016-07-06 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
PS4 (PlayStation)6,21113%44
PS4 (PlayStation)4,23617%44
Steam (Steam)2,2464%44

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

Player tags

GoreAnimeActionMatureNudityViolentZombiesBeat 'em upHack and SlashSexual Content

Census log

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

Players also track

F.E.A.R. 2: Project OriginDon't Knock TwiceHow to Survive 2DARQ: Complete EditionDying Light 2 Stay Human: Reloaded EditionShadows: AwakeningWarhammer: ChaosbaneApsulov: End of Gods

Similarity via IGDB.

Official site ↗Wikipedia ↗