The Game Census
Learn Japanese To Survive! Katakana War cover art

Learn Japanese To Survive! Katakana War

Sleepy Duck · RIVER CROW STUDIO · 2017-01-30

Steam

AdventureIndieRPGStrategy

Modes: Single player · Perspectives: Bird view / Isometric

Releases: Jan 30, 2017 (PC (Microsoft Windows)), Jan 30, 2017 (Mac)

Learn the basics of Japanese in this interactive role-playing game! No experience needed – start reading and writing in Japanese!

Learn Japanese To Survive! Katakana War is an Adventure, Indie, RPG, and Strategy game released in 2017, priced at $6.99, with a Very Positive sentiment (92% of 560 reviews) and an owner estimate of 20,000 .. 50,000.

2
playing now
92%
positive of 560 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
80/100
IGDB user rating (0 ratings)
gold
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$6.99
steam price (US)

2 players in-game as of 2026-10-14 06:00 UTC (census sample)

Health check

Quiet
  • · 2 players in-game at the last census sample.
  • · 14 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 22% vs the prior 8 weeks.
  • · Top 18% of 28,739 Adventure games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 14k–34k copies

Review-multiple estimate from 560 total reviews — how this is computed.

All-time low: $0.69 at Steam (2019-12-19) · bundled 10×via IsThereAnyDeal

12-month high $6.99 · on sale 22 of 26 observed days (census price snapshots)

Review momentum

PositiveNegative
111120172026Week of 2017-09-01: 4 positiveWeek of 2017-10-01: 3 positiveWeek of 2017-10-01: 1 negativeWeek of 2017-11-01: 7 positiveWeek of 2017-12-01: 4 positiveWeek of 2018-01-01: 4 positiveWeek of 2018-02-01: 4 positiveWeek of 2018-03-01: 1 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 3 positiveWeek of 2018-04-01: 1 negativeWeek of 2018-05-01: 3 positiveWeek of 2018-06-01: 4 positiveWeek of 2018-07-01: 3 positiveWeek of 2018-08-01: 3 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-09-01: 4 positiveWeek of 2018-10-01: 4 positiveWeek of 2018-11-01: 7 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 10 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 3 positiveWeek of 2019-02-01: 2 positiveWeek of 2019-03-01: 3 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-06-01: 9 positiveWeek of 2019-06-01: 1 negativeWeek of 2019-07-01: 6 positiveWeek of 2019-08-01: 6 positiveWeek of 2019-09-01: 1 positiveWeek of 2019-10-01: 2 positiveWeek of 2019-11-01: 4 positiveWeek of 2019-12-01: 5 positiveWeek of 2020-01-01: 6 positiveWeek of 2020-02-01: 5 positiveWeek of 2020-03-01: 4 positiveWeek of 2020-04-01: 10 positiveWeek of 2020-05-01: 7 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 4 positiveWeek of 2020-07-01: 11 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 2 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 4 positiveWeek of 2020-10-01: 3 positiveWeek of 2020-11-01: 6 positiveWeek of 2020-12-01: 1 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 11 positiveWeek of 2021-02-01: 4 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 3 positiveWeek of 2021-04-01: 2 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 2 positiveWeek of 2021-06-01: 1 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 8 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 9 positiveWeek of 2021-09-01: 5 positiveWeek of 2021-10-01: 3 positiveWeek of 2021-11-01: 1 positiveWeek of 2021-12-01: 4 positiveWeek of 2022-01-01: 5 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 3 positiveWeek of 2022-03-01: 5 positiveWeek of 2022-04-01: 4 positiveWeek of 2022-05-01: 3 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 6 positiveWeek of 2022-07-01: 2 positiveWeek of 2022-08-01: 2 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 1 positiveWeek of 2022-10-01: 1 positiveWeek of 2022-12-01: 2 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 8 positiveWeek of 2023-02-01: 3 positiveWeek of 2023-03-01: 3 positiveWeek of 2023-04-01: 5 positiveWeek of 2023-05-01: 3 positiveWeek of 2023-06-01: 4 positiveWeek of 2023-07-01: 5 positiveWeek of 2023-08-01: 2 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 1 positiveWeek of 2023-10-01: 1 positiveWeek of 2023-11-01: 3 positiveWeek of 2023-12-01: 3 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 2 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-03-01: 2 positiveWeek of 2024-04-01: 2 positiveWeek of 2024-05-01: 2 positiveWeek of 2024-06-01: 1 positiveWeek of 2024-07-01: 2 positiveWeek of 2024-08-01: 2 positiveWeek of 2024-09-01: 2 positiveWeek of 2024-12-01: 1 positiveWeek of 2025-01-01: 3 positiveWeek of 2025-02-01: 3 positiveWeek of 2025-03-01: 4 positiveWeek of 2025-04-01: 2 positiveWeek of 2025-05-01: 3 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 1 positiveWeek of 2025-08-01: 2 positiveWeek of 2025-09-01: 1 positiveWeek of 2025-10-01: 2 positiveWeek of 2025-11-01: 3 positiveWeek of 2026-01-01: 2 positiveWeek of 2026-02-01: 1 positiveWeek of 2026-03-01: 3 positiveWeek of 2026-05-01: 2 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 8 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

402026-09-15 07:00 — 1 players2026-09-16 15:00 — 1 players2026-09-17 22:00 — 2 players2026-09-19 06:00 — 2 players2026-09-20 13:00 — 2 players2026-09-21 21:00 — 1 players2026-09-23 05:00 — 0 players2026-09-24 12:00 — 0 players2026-09-25 20:00 — 3 players2026-09-27 03:00 — 3 players2026-09-28 11:00 — 2 players2026-09-29 18:00 — 0 players2026-10-01 02:00 — 0 players2026-10-02 09:00 — 1 players2026-10-03 17:00 — 4 players2026-10-05 01:00 — 0 players2026-10-06 08:00 — 1 players2026-10-07 16:00 — 0 players2026-10-08 23:00 — 0 players2026-10-10 07:00 — 1 players2026-10-11 14:00 — 4 players2026-10-12 22:00 — 0 players2026-10-14 06:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$6.99$0.692017-01-312026-08-242017-01-31 — best price $6.992017-10-21 — best price $4.192018-02-19 — best price $6.992018-12-20 — best price $1.392019-05-13 — best price $6.992019-11-01 — best price $6.992020-03-23 — best price $6.992020-06-12 — best price $6.992020-07-19 — best price $6.992020-08-23 — best price $6.292020-09-27 — best price $6.992020-11-05 — best price $1.042021-01-17 — best price $6.292021-02-15 — best price $6.992021-04-19 — best price $6.992021-06-10 — best price $6.292021-07-30 — best price $5.132021-09-22 — best price $6.292021-11-18 — best price $5.132022-01-06 — best price $6.292022-02-22 — best price $6.992022-03-28 — best price $5.132022-05-04 — best price $5.132022-06-11 — best price $6.292022-07-30 — best price $6.292022-08-28 — best price $6.292022-10-17 — best price $6.292023-01-10 — best price $5.132023-02-25 — best price $5.132023-05-03 — best price $5.132023-08-03 — best price $5.132023-12-09 — best price $6.292024-03-14 — best price $1.392024-07-31 — best price $6.992024-12-03 — best price $5.132025-02-15 — best price $5.132025-06-26 — best price $1.392025-12-18 — best price $1.042026-07-09 — best price $6.992026-08-24 — best price $1.04
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

24
achievements tracked
38%
earned "I'd Like To Buy A Vowel"
13.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsSteam CloudFamily Sharing2 DLC

Post-launch support: 2 DLC released, first 2017-01-31 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)97422%24

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

Player tags

RPGJRPGAnimeIndieNudityRPGMakerStrategyAdventureEducationSingleplayer

Census log

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

Players also track

Star Control®: OriginsSurvivalistReverse CrawlForgotton AnneLEGRAND LEGACY: Tale of the FateboundsForce of NatureGreedFallEternity: The Last Unicorn

Similarity via IGDB.

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