The Game Census
Grisaia Phantom Trigger Vol.1 cover art

Grisaia Phantom Trigger Vol.1

Frontwing · Frontwing USA · 2017-04-27

Steam

AdventureCasual

Modes: Single player

Releases: Apr 28, 2017 (Linux), Apr 28, 2017 (PC (Microsoft Windows))

"Grisaia: Phantom Trigger" is a visual novel, specifically a kinetic novel (without branching routes). Returning character artist Akio Watanabe and writer Ryuta Fujisaki bring you the latest installment in the acclaimed Grisaia series.

Grisaia Phantom Trigger Vol.1 is an Adventure and Casual game released in 2017, priced at $7.49, with an estimated 20,000 to 50,000 owners and a Very Positive review sentiment (92% of 351 reviews).

0
playing now
92%
positive of 351 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
65/100
critic score (1 outlets, IGDB)
70/100
IGDB user rating (3 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$7.49
steam price (US)

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

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 14 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 12% vs the prior 8 weeks.
  • · Top 23% of 28,739 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 8.8k–21k copies

Review-multiple estimate from 351 total reviews — how this is computed.

All-time low: $4.49 at Steam (2022-02-25)via IsThereAnyDeal

12-month high $14.99 · on sale 7 of 13 observed days (census price snapshots)

Review momentum

PositiveNegative
161620172026Week of 2017-04-01: 11 positiveWeek of 2017-04-01: 1 negativeWeek of 2017-05-01: 12 positiveWeek of 2017-05-01: 1 negativeWeek of 2017-06-01: 4 positiveWeek of 2017-07-01: 6 positiveWeek of 2017-08-01: 3 positiveWeek of 2017-09-01: 1 positiveWeek of 2017-10-01: 1 negativeWeek of 2017-11-01: 3 positiveWeek of 2017-12-01: 2 positiveWeek of 2017-12-01: 1 negativeWeek of 2018-01-01: 5 positiveWeek of 2018-01-01: 2 negativeWeek of 2018-02-01: 6 positiveWeek of 2018-03-01: 2 positiveWeek of 2018-05-01: 2 positiveWeek of 2018-06-01: 16 positiveWeek of 2018-07-01: 11 positiveWeek of 2018-07-01: 2 negativeWeek of 2018-08-01: 4 positiveWeek of 2018-09-01: 4 positiveWeek of 2018-10-01: 5 positiveWeek of 2018-11-01: 6 positiveWeek of 2018-12-01: 4 positiveWeek of 2019-01-01: 4 positiveWeek of 2019-02-01: 2 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 3 positiveWeek of 2019-04-01: 2 positiveWeek of 2019-05-01: 5 positiveWeek of 2019-06-01: 9 positiveWeek of 2019-07-01: 8 positiveWeek of 2019-08-01: 5 positiveWeek of 2019-09-01: 2 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-10-01: 4 positiveWeek of 2019-11-01: 5 positiveWeek of 2019-12-01: 4 positiveWeek of 2020-01-01: 4 positiveWeek of 2020-02-01: 1 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-04-01: 3 positiveWeek of 2020-04-01: 3 negativeWeek of 2020-05-01: 7 positiveWeek of 2020-06-01: 4 positiveWeek of 2020-07-01: 11 positiveWeek of 2020-07-01: 2 negativeWeek of 2020-08-01: 7 positiveWeek of 2020-08-01: 2 negativeWeek of 2020-09-01: 3 positiveWeek of 2020-10-01: 2 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-12-01: 8 positiveWeek of 2021-01-01: 4 positiveWeek of 2021-02-01: 6 positiveWeek of 2021-03-01: 4 positiveWeek of 2021-04-01: 1 positiveWeek of 2021-05-01: 7 positiveWeek of 2021-06-01: 4 positiveWeek of 2021-07-01: 4 positiveWeek of 2021-08-01: 3 positiveWeek of 2021-10-01: 2 positiveWeek of 2021-12-01: 1 positiveWeek of 2022-01-01: 2 positiveWeek of 2022-02-01: 5 positiveWeek of 2022-03-01: 7 positiveWeek of 2022-04-01: 3 positiveWeek of 2022-05-01: 4 positiveWeek of 2022-07-01: 4 positiveWeek of 2022-09-01: 3 positiveWeek of 2022-10-01: 1 positiveWeek of 2022-11-01: 3 positiveWeek of 2022-11-01: 2 negativeWeek of 2022-12-01: 4 positiveWeek of 2023-01-01: 4 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-02-01: 1 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-06-01: 1 positiveWeek of 2023-10-01: 2 positiveWeek of 2023-11-01: 1 positiveWeek of 2023-11-01: 1 negativeWeek of 2024-02-01: 4 positiveWeek of 2024-03-01: 1 positiveWeek of 2024-04-01: 4 positiveWeek of 2024-05-01: 3 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 2 positiveWeek of 2024-07-01: 2 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-11-01: 2 positiveWeek of 2024-12-01: 1 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 6 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 1 positiveWeek of 2025-05-01: 2 positiveWeek of 2025-06-01: 3 positiveWeek of 2025-07-01: 2 positiveWeek of 2025-08-01: 1 positiveWeek of 2025-09-01: 1 positiveWeek of 2025-11-01: 2 positiveWeek of 2026-02-01: 2 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-05-01: 1 positiveWeek of 2026-06-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 07:00 — 1 players2026-09-16 15:00 — 1 players2026-09-17 23:00 — 0 players2026-09-19 06:00 — 0 players2026-09-20 14:00 — 0 players2026-09-21 22:00 — 0 players2026-09-23 05:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 20:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 11:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 02:00 — 1 players2026-10-02 10:00 — 0 players2026-10-03 18:00 — 0 players2026-10-05 02:00 — 0 players2026-10-06 09:00 — 0 players2026-10-07 17:00 — 0 players2026-10-09 00:00 — 0 players2026-10-10 08:00 — 0 players2026-10-11 15:00 — 1 players2026-10-12 23:00 — 0 players2026-10-14 06:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$14.99$4.492017-04-282026-08-152017-04-28 — best price $14.992017-07-31 — best price $14.992018-01-04 — best price $14.992018-02-19 — best price $14.992018-07-05 — best price $14.992018-10-07 — best price $14.992019-02-11 — best price $14.992019-07-09 — best price $14.992019-10-07 — best price $14.992019-11-12 — best price $14.992020-01-02 — best price $14.992020-03-06 — best price $14.992020-07-09 — best price $14.992020-10-05 — best price $14.992020-12-01 — best price $14.992021-02-15 — best price $14.992021-05-06 — best price $14.992021-08-16 — best price $14.992021-11-01 — best price $14.992022-01-05 — best price $14.992022-05-12 — best price $14.992022-08-22 — best price $14.992022-11-29 — best price $14.992023-03-23 — best price $14.992023-07-13 — best price $14.992023-10-07 — best price $14.992024-01-04 — best price $14.992024-03-21 — best price $14.992024-07-11 — best price $14.992024-10-11 — best price $14.992025-01-16 — best price $14.992025-03-20 — best price $14.992025-07-10 — best price $14.992025-10-06 — best price $14.992026-01-19 — best price $14.992026-03-26 — best price $14.992026-07-09 — best price $14.992026-08-15 — best price $7.49
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

13
achievements tracked
90.7%
earned "Mission Start!"
57.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsCustom Volume Controls#category_playable_at_your_own_pacePlayable without Timed InputSave AnytimeStereo SoundPartial Controller SupportSteam Cloud1 DLC

2 supported languages: English, Japanese

Post-launch support: 1 DLC released, first 2017-04-28 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)65950%13

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

Player tags

CuteDarkAnimeCasualHorrorNudityViolentAdventureStory RichSingleplayer

Census log

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

Recent updates

Players also track

If My Heart Had WingsForgotton AnneGrisaia Phantom Trigger Vol.2GOD EATER 3THE UNCLEARNESSDragon Marked For Death

Similarity via IGDB.

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