The Game Census
We Know the Devil cover art

We Know the Devil

Pillow Fight · 2016-02-15

Steam

AdventureCasualIndie

Modes: Single player · Perspectives: Third person, Text

Releases: Jul 30, 2021 (Nintendo Switch), Feb 15, 2016 (Mac), Sep 12, 2015 (Web browser), Feb 15, 2016 (PC (Microsoft Windows))

WE KNOW THE DEVIL is a visual novel about teens reluctantly fighting the devil at summer camp. Follow meangirl Neptune, tomboy Jupiter, and shy shy Venus as they get to know each other--but one always gets left out.

We Know the Devil is an Adventure, Casual, Indie game released in 2016, priced at $6.66, with an estimated 0 .. 20,000 owners and a Very Positive review sentiment (94% of 1187 reviews).

94%
positive of 1.2k reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
80/100
IGDB user rating (10 ratings)
1h
time to beat (IGDB)
platinum
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$6.66
steam price (US)
We Know the Devil is a visual novel developed and published by Date Nighto. It was released on September 12, 2015 for Microsoft Windows and MacOS, before receiving a Steam release on February 15, 2016. On July 4, 2016, a separate art book titled The Art of We Know the Devil was published on itch.io by game artist Max Schwartz, followed by a March 19, 2017, itch.io release of the game, this time with a free supplementary demo serving the purpose of a prequel.

Health check

Quietly active
  • · 71 reviews in the last 8 weeks (~9/week).
  • · Review velocity up 1% vs the prior 8 weeks.
  • · Top 12% of 28,808 Adventure games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 30k–71k copies

Review-multiple estimate from 1,190 total reviews — how this is computed.

All-time low: $1.33 at Steam (2024-03-14) · bundled 2×via IsThereAnyDeal

12-month high $6.66 · on sale 4 of 8 observed days (census price snapshots)

Review momentum

PositiveNegative
181820182026Week of 2018-01-01: 9 positiveWeek of 2018-02-01: 3 positiveWeek of 2018-03-01: 3 positiveWeek of 2018-03-01: 2 negativeWeek of 2018-04-01: 2 positiveWeek of 2018-05-01: 5 positiveWeek of 2018-06-01: 15 positiveWeek of 2018-07-01: 18 positiveWeek of 2018-07-01: 1 negativeWeek of 2018-08-01: 3 positiveWeek of 2018-09-01: 5 positiveWeek of 2018-09-01: 2 negativeWeek of 2018-10-01: 8 positiveWeek of 2018-11-01: 7 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 2 positiveWeek of 2018-12-01: 1 negativeWeek of 2019-01-01: 9 positiveWeek of 2019-02-01: 7 positiveWeek of 2019-03-01: 5 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 6 positiveWeek of 2019-05-01: 7 positiveWeek of 2019-06-01: 14 positiveWeek of 2019-06-01: 1 negativeWeek of 2019-07-01: 17 positiveWeek of 2019-07-01: 2 negativeWeek of 2019-08-01: 5 positiveWeek of 2019-09-01: 1 positiveWeek of 2019-10-01: 12 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 8 positiveWeek of 2019-12-01: 13 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 5 positiveWeek of 2020-01-01: 2 negativeWeek of 2020-02-01: 6 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 7 positiveWeek of 2020-04-01: 7 positiveWeek of 2020-05-01: 5 positiveWeek of 2020-06-01: 5 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 15 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 2 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 5 positiveWeek of 2020-10-01: 7 positiveWeek of 2020-11-01: 6 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 9 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 11 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-02-01: 11 positiveWeek of 2021-03-01: 6 positiveWeek of 2021-04-01: 11 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 5 positiveWeek of 2021-06-01: 12 positiveWeek of 2021-07-01: 16 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 3 positiveWeek of 2021-09-01: 3 positiveWeek of 2021-10-01: 7 positiveWeek of 2021-11-01: 10 positiveWeek of 2021-12-01: 7 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 7 positiveWeek of 2022-02-01: 5 positiveWeek of 2022-03-01: 7 positiveWeek of 2022-04-01: 5 positiveWeek of 2022-05-01: 10 positiveWeek of 2022-06-01: 7 positiveWeek of 2022-07-01: 11 positiveWeek of 2022-08-01: 6 positiveWeek of 2022-09-01: 4 positiveWeek of 2022-09-01: 1 negativeWeek of 2022-10-01: 10 positiveWeek of 2022-11-01: 5 positiveWeek of 2022-12-01: 5 positiveWeek of 2023-01-01: 12 positiveWeek of 2023-02-01: 5 positiveWeek of 2023-03-01: 14 positiveWeek of 2023-04-01: 9 positiveWeek of 2023-05-01: 14 positiveWeek of 2023-06-01: 2 positiveWeek of 2023-07-01: 13 positiveWeek of 2023-08-01: 11 positiveWeek of 2023-09-01: 11 positiveWeek of 2023-10-01: 6 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 16 positiveWeek of 2023-12-01: 10 positiveWeek of 2024-01-01: 13 positiveWeek of 2024-02-01: 8 positiveWeek of 2024-03-01: 15 positiveWeek of 2024-04-01: 6 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 11 positiveWeek of 2024-06-01: 7 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 12 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 7 positiveWeek of 2024-09-01: 5 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 7 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 8 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 18 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 13 positiveWeek of 2025-02-01: 7 positiveWeek of 2025-03-01: 17 positiveWeek of 2025-03-01: 2 negativeWeek of 2025-04-01: 5 positiveWeek of 2025-05-01: 6 positiveWeek of 2025-06-01: 6 positiveWeek of 2025-07-01: 10 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 9 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 5 positiveWeek of 2025-10-01: 12 positiveWeek of 2025-10-01: 3 negativeWeek of 2025-11-01: 10 positiveWeek of 2025-11-01: 1 negativeWeek of 2025-12-01: 8 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 15 positiveWeek of 2026-02-01: 3 positiveWeek of 2026-03-01: 9 positiveWeek of 2026-04-01: 9 positiveWeek of 2026-05-01: 6 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 9 positiveWeek of 2026-07-01: 7 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 4 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$7.99$1.332016-02-152026-07-092016-02-15 — best price $6.632016-07-04 — best price $7.992016-10-28 — best price $3.992016-11-29 — best price $7.992017-06-22 — best price $3.992017-11-28 — best price $7.992018-06-22 — best price $1.992019-02-12 — best price $7.992019-10-11 — best price $2.472019-11-01 — best price $7.992019-12-19 — best price $1.592020-01-27 — best price $7.992020-06-25 — best price $1.592020-11-02 — best price $7.992020-12-22 — best price $3.992021-02-15 — best price $7.992021-07-30 — best price $6.662021-11-24 — best price $3.332022-01-05 — best price $6.662022-06-23 — best price $2.992022-11-29 — best price $6.662023-03-16 — best price $2.662023-07-13 — best price $6.662023-10-26 — best price $2.662023-11-28 — best price $6.662024-03-14 — best price $1.332024-07-11 — best price $6.662024-11-27 — best price $1.332025-01-02 — best price $6.662025-03-13 — best price $1.332025-07-10 — best price $6.662025-10-27 — best price $2.062026-01-05 — best price $6.662026-06-25 — best price $2.192026-07-09 — best price $6.66
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

4062026-05-28 — 21 pageviews2026-06-01 — 27 pageviews2026-06-05 — 17 pageviews2026-06-09 — 21 pageviews2026-06-13 — 24 pageviews2026-06-17 — 28 pageviews2026-06-21 — 24 pageviews2026-06-25 — 36 pageviews2026-06-29 — 34 pageviews2026-07-03 — 40 pageviews2026-07-07 — 38 pageviews2026-07-11 — 29 pageviews2026-07-15 — 29 pageviews2026-07-19 — 25 pageviews2026-07-23 — 26 pageviews2026-07-27 — 17 pageviews2026-07-31 — 16 pageviews2026-08-04 — 33 pageviews2026-08-08 — 22 pageviews2026-08-12 — 17 pageviews2026-08-16 — 16 pageviews2026-08-20 — 18 pageviews2026-08-24 — 22 pageviews2026-08-28 — 16 pageviews2026-09-01 — 24 pageviews2026-09-05 — 13 pageviews2026-09-09 — 31 pageviews2026-09-13 — 21 pageviews2026-09-17 — 15 pageviews2026-09-21 — 11 pageviews2026-09-25 — 22 pageviews2026-09-29 — 20 pageviews2026-10-03 — 20 pageviews2026-10-07 — 17 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

5
achievements tracked
67.7%
earned "All the things she said/Running through my head (Running through my head)"
58.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsSteam CloudFamily Sharing

1 supported languages: English

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)85873%5
Switch (Nintendo)30%0

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

Player tags

IndieCasualHorrorLGBTQ+AdventureStory RichAtmosphericReplay ValueSingleplayerVisual Novel

Census log

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

Players also track

Don't Knock TwiceHouse of CaravanMasochisiaRusty Lake HotelRusty Lake: RootsInflictionSemblanceDream Alone

Similarity via IGDB.

Official site ↗Wikipedia ↗