The Game Census
Serment - Contract with a Devil cover art

Serment - Contract with a Devil

Nkt Studio · Sekai Project · 2019-02-01

SteamGOG

RPG

Modes: Single player

Releases: 2018 (Mac), 2018 (Linux), 2018 (PC (Microsoft Windows))

Serment - Contract with a Devil is a visual novel/dungeon crawler hybrid featuring highly tactical turn based RPG battles, challenging dungeon puzzles, optional minigames and most importantly, a lot of cute anime girls.

Serment - Contract with a Devil is an RPG game released in 2019, priced at $14.99, with an owner estimate of 0 .. 20,000 and a Mostly Positive review sentiment (78% of 95 reviews).

78%
positive of 95 reviews
Mostly Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
70/100
IGDB user rating (0 ratings)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

Health check

Quiet
  • · 10 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 11% vs the prior 8 weeks.
  • · Top 48% of 13,891 RPG games in the census by review count.
Estimated sales: 2.4k–5.7k copies

Review-multiple estimate from 95 total reviews — how this is computed.

Current store prices

GOG$2.99-80%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $1.80 at GreenManGaming (2025-08-21)via IsThereAnyDeal

12-month high $14.99 · on sale 72 of 99 observed days · $1.19 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
242420192026Week of 2019-02-01: 24 positiveWeek of 2019-02-01: 3 negativeWeek of 2019-03-01: 1 positiveWeek of 2019-03-01: 2 negativeWeek of 2019-05-01: 2 positiveWeek of 2019-06-01: 3 positiveWeek of 2019-06-01: 1 negativeWeek of 2019-07-01: 1 positiveWeek of 2019-09-01: 1 positiveWeek of 2019-11-01: 5 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 2 positiveWeek of 2020-01-01: 1 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-04-01: 1 positiveWeek of 2020-06-01: 1 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-10-01: 1 negativeWeek of 2021-01-01: 2 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-08-01: 1 positiveWeek of 2021-09-01: 1 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 1 positiveWeek of 2022-06-01: 1 positiveWeek of 2022-07-01: 1 positiveWeek of 2022-11-01: 2 positiveWeek of 2022-11-01: 1 negativeWeek of 2023-01-01: 2 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 1 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-03-01: 1 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 1 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 1 positiveWeek of 2024-10-01: 1 positiveWeek of 2024-11-01: 1 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 1 positiveWeek of 2025-08-01: 2 positiveWeek of 2025-12-01: 1 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-02-01: 1 negativeWeek of 2026-07-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$14.99$1.802019-02-022026-10-142019-02-02 — best price $11.992019-09-09 — best price $9.742019-12-11 — best price $8.992020-03-03 — best price $10.492020-06-06 — best price $13.492020-12-01 — best price $14.992021-03-30 — best price $14.992021-08-16 — best price $7.492021-11-18 — best price $6.002022-01-24 — best price $6.002022-04-04 — best price $14.992022-07-12 — best price $3.002022-09-27 — best price $14.992022-12-12 — best price $3.742023-03-16 — best price $3.742023-07-04 — best price $14.992023-10-25 — best price $2.242023-12-13 — best price $5.992024-03-14 — best price $4.492024-05-13 — best price $14.992024-07-26 — best price $4.502024-10-16 — best price $14.992024-12-13 — best price $3.602025-03-13 — best price $3.742025-05-07 — best price $14.992025-07-10 — best price $14.992025-09-11 — best price $14.992025-11-04 — best price $14.992026-01-11 — best price $14.992026-04-03 — best price $2.392026-06-19 — best price $1.872026-08-29 — best price $2.252026-09-10 — best price $14.992026-09-22 — best price $2.252026-10-04 — best price $2.252026-10-14 — best price $2.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsSteam Trading CardsPartial Controller SupportFamily Sharing

1 supported languages: English

Player tags

RPGCuteJRPGAnimeFunnyComedyAdventureDating SimStory RichTurn-Based

Census log

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

Players also track

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Similarity via IGDB.