The Game Census
AGON - The Mysterious Codex (Trilogy) cover art

AGON - The Mysterious Codex (Trilogy)

Private Moon Studios · M.INDIE · 2015-11-18

Steam

Adventure

Modes: Single player

Releases: 2006 (PC (Microsoft Windows)), 2006 (Mac)

Professor Hunt embarks on an adventure journey from London to Lapland and Madagascar, in search of mysterious ancient board games.

AGON - The Mysterious Codex (Trilogy) is an Adventure game released in 2015, priced at $9.99, with an estimated 20,000 to 50,000 owners and a Mixed review sentiment (65% of 95 reviews).

0
playing now
65%
positive of 95 reviews
Mixed
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
50/100
critic score (1 outlets, IGDB)
pending
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$9.99
steam price (US)

0 players in-game as of 2026-10-14 08:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 11 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 10% vs the prior 8 weeks.
  • · Top 41% of 28,739 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 2.4k–5.7k copies

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

All-time low: $0.77 at GameBillet (2025-11-05) · bundled 3×via IsThereAnyDeal

12-month high $9.99 · on sale 29 of 59 observed days (census price snapshots)

Review momentum

PositiveNegative
3320152026Week of 2015-11-01: 1 positiveWeek of 2016-05-01: 1 positiveWeek of 2016-09-01: 1 positiveWeek of 2016-10-01: 1 negativeWeek of 2017-01-01: 1 positiveWeek of 2017-02-01: 1 positiveWeek of 2018-03-01: 1 positiveWeek of 2019-07-01: 1 negativeWeek of 2020-01-01: 1 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 1 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-06-01: 1 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-09-01: 1 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-11-01: 3 positiveWeek of 2021-04-01: 2 positiveWeek of 2021-05-01: 1 positiveWeek of 2021-05-01: 1 negativeWeek of 2021-07-01: 1 positiveWeek of 2021-10-01: 1 positiveWeek of 2021-11-01: 2 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 1 positiveWeek of 2022-07-01: 1 positiveWeek of 2022-08-01: 1 negativeWeek of 2023-02-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 1 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-04-01: 1 negativeWeek of 2025-01-01: 2 positiveWeek of 2025-02-01: 1 positiveWeek of 2025-03-01: 2 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-05-01: 1 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 1 negativeWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

302026-09-15 09:00 — 0 players2026-09-16 17:00 — 0 players2026-09-18 01:00 — 0 players2026-09-19 08:00 — 0 players2026-09-20 16:00 — 2 players2026-09-21 23:00 — 0 players2026-09-23 07:00 — 0 players2026-09-24 15:00 — 0 players2026-09-25 22:00 — 1 players2026-09-27 06:00 — 3 players2026-09-28 13:00 — 0 players2026-09-29 21:00 — 0 players2026-10-01 04:00 — 0 players2026-10-02 12:00 — 0 players2026-10-03 19:00 — 0 players2026-10-05 03:00 — 0 players2026-10-06 11:00 — 0 players2026-10-07 18:00 — 0 players2026-10-09 02:00 — 0 players2026-10-10 09:00 — 0 players2026-10-11 17:00 — 0 players2026-10-13 01:00 — 0 players2026-10-14 08:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$11.13$0.772015-11-182026-08-172015-11-18 — best price $5.992016-06-16 — best price $9.992016-11-29 — best price $9.992017-07-05 — best price $9.992017-12-26 — best price $8.282018-05-24 — best price $9.992018-10-08 — best price $2.702019-02-12 — best price $9.992019-06-03 — best price $1.992019-10-01 — best price $1.992020-01-06 — best price $1.992020-04-03 — best price $1.992020-07-27 — best price $0.992020-09-22 — best price $9.992020-12-11 — best price $9.992021-02-25 — best price $9.992021-05-14 — best price $1.002021-07-02 — best price $1.342021-09-18 — best price $7.992021-11-27 — best price $7.992022-02-23 — best price $0.992022-10-17 — best price $0.992023-02-06 — best price $9.992023-05-30 — best price $9.992023-09-04 — best price $8.592023-11-29 — best price $9.992024-03-14 — best price $0.992024-05-11 — best price $1.402024-06-17 — best price $1.492024-07-31 — best price $9.712024-09-18 — best price $1.492024-11-02 — best price $9.762025-01-02 — best price $8.892025-06-06 — best price $0.822025-08-30 — best price $8.272025-11-14 — best price $9.992026-02-02 — best price $9.992026-06-15 — best price $9.992026-08-17 — best price $9.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam Trading CardsFamily Sharing

5 supported languages: English, German, French, Italian, Spanish - Spain

Player tags

PuzzleAdventurePoint & Click

Census log

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

Players also track

Rusty Lake HotelOmensight: Definitive EditionUnforeseen IncidentsQuern - Undying ThoughtsGreedFallAncient CitiesBad North: Jotunn EditionDraugen

Similarity via IGDB.

Wikipedia ↗