The Game Census
Sigma Theory: Global Cold War cover art

Sigma Theory: Global Cold War

Mi-Clos Studio · Goblinz Publishing · 2019-11-21

SteamGOG

SimulationStrategy

Modes: Single player

Releases: Apr 18, 2019 (PC (Microsoft Windows)), Apr 18, 2019 (Linux), Apr 18, 2019 (Mac), Oct 18, 2022 (iOS), Oct 18, 2022 (Android), Oct 18, 2022 (Nintendo Switch)

A Turn-based Strategy game in a futuristic global cold war from the award-winning creators of Out There. Recruit a squad of special agents and run your intel agency to secure the control of the singularity.

Sigma Theory: Global Cold War is a Simulation, Strategy game released in 2019, priced at $17.99, with an estimated 50,000 .. 100,000 owners and a Mostly Positive review sentiment (76% of 1386 reviews).

2
playing now
76%
positive of 1.4k reviews
Mostly Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
70/100
IGDB user rating (11 ratings)
platinum
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$17.99
steam price (US)

2 players in-game as of 2026-10-14 17:00 UTC (census sample)

Health check

Quiet
  • · 2 players in-game at the last census sample.
  • · 13 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 41% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (152 reviews).
  • · Top 12% of 16,650 Simulation games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 35k–83k copies

Review-multiple estimate from 1,386 total reviews — how this is computed.

Current store prices

GOG$17.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $1.79 at IndieGala Store (2023-06-10) · bundled 8×via IsThereAnyDeal

12-month high $17.99 · on sale 54 of 91 observed days · $16.20 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
12312320192026Week of 2019-04-01: 121 positiveWeek of 2019-04-01: 31 negativeWeek of 2019-05-01: 22 positiveWeek of 2019-05-01: 6 negativeWeek of 2019-06-01: 17 positiveWeek of 2019-06-01: 6 negativeWeek of 2019-07-01: 21 positiveWeek of 2019-07-01: 7 negativeWeek of 2019-08-01: 7 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 11 positiveWeek of 2019-09-01: 6 negativeWeek of 2019-10-01: 9 positiveWeek of 2019-10-01: 3 negativeWeek of 2019-11-01: 123 positiveWeek of 2019-11-01: 18 negativeWeek of 2019-12-01: 46 positiveWeek of 2019-12-01: 10 negativeWeek of 2020-01-01: 23 positiveWeek of 2020-01-01: 7 negativeWeek of 2020-02-01: 40 positiveWeek of 2020-02-01: 19 negativeWeek of 2020-03-01: 18 positiveWeek of 2020-03-01: 6 negativeWeek of 2020-04-01: 16 positiveWeek of 2020-04-01: 6 negativeWeek of 2020-05-01: 16 positiveWeek of 2020-05-01: 4 negativeWeek of 2020-06-01: 10 positiveWeek of 2020-06-01: 3 negativeWeek of 2020-07-01: 21 positiveWeek of 2020-07-01: 7 negativeWeek of 2020-08-01: 5 positiveWeek of 2020-08-01: 2 negativeWeek of 2020-09-01: 3 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 4 positiveWeek of 2020-11-01: 12 positiveWeek of 2020-11-01: 3 negativeWeek of 2020-12-01: 9 positiveWeek of 2020-12-01: 6 negativeWeek of 2021-01-01: 4 positiveWeek of 2021-01-01: 2 negativeWeek of 2021-02-01: 2 positiveWeek of 2021-03-01: 10 positiveWeek of 2021-03-01: 3 negativeWeek of 2021-04-01: 1 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 1 positiveWeek of 2021-06-01: 2 positiveWeek of 2021-06-01: 2 negativeWeek of 2021-07-01: 3 positiveWeek of 2021-07-01: 6 negativeWeek of 2021-08-01: 2 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 1 positiveWeek of 2021-10-01: 4 positiveWeek of 2021-11-01: 3 positiveWeek of 2021-11-01: 2 negativeWeek of 2021-12-01: 3 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 5 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 1 positiveWeek of 2022-02-01: 1 negativeWeek of 2022-04-01: 7 positiveWeek of 2022-04-01: 3 negativeWeek of 2022-05-01: 13 positiveWeek of 2022-05-01: 3 negativeWeek of 2022-06-01: 1 positiveWeek of 2022-06-01: 2 negativeWeek of 2022-07-01: 7 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 3 positiveWeek of 2022-09-01: 3 positiveWeek of 2022-09-01: 2 negativeWeek of 2022-10-01: 9 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 2 positiveWeek of 2022-12-01: 3 positiveWeek of 2023-01-01: 2 positiveWeek of 2023-02-01: 2 positiveWeek of 2023-03-01: 2 positiveWeek of 2023-05-01: 3 positiveWeek of 2023-06-01: 2 positiveWeek of 2023-06-01: 1 negativeWeek of 2023-07-01: 2 positiveWeek of 2023-08-01: 2 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 1 positiveWeek of 2023-11-01: 2 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 3 positiveWeek of 2024-01-01: 3 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 2 positiveWeek of 2024-03-01: 7 positiveWeek of 2024-03-01: 3 negativeWeek of 2024-04-01: 1 positiveWeek of 2024-04-01: 2 negativeWeek of 2024-05-01: 1 positiveWeek of 2024-05-01: 3 negativeWeek of 2024-06-01: 2 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 2 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-10-01: 1 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 1 positiveWeek of 2024-12-01: 1 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 2 positiveWeek of 2025-02-01: 2 positiveWeek of 2025-03-01: 2 positiveWeek of 2025-04-01: 1 positiveWeek of 2025-04-01: 2 negativeWeek of 2025-05-01: 3 positiveWeek of 2025-06-01: 4 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 2 positiveWeek of 2025-07-01: 1 negativeWeek of 2025-08-01: 1 positiveWeek of 2025-09-01: 3 positiveWeek of 2025-10-01: 2 positiveWeek of 2025-11-01: 1 positiveWeek of 2025-12-01: 1 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-05-01: 3 positiveWeek of 2026-05-01: 2 negativeWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 1 positiveWeek of 2026-08-01: 2 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

402026-09-15 02:00 — 0 players2026-09-16 11:00 — 1 players2026-09-17 18:00 — 1 players2026-09-19 02:00 — 0 players2026-09-20 09:00 — 0 players2026-09-21 17:00 — 1 players2026-09-23 00:00 — 1 players2026-09-24 08:00 — 3 players2026-09-25 15:00 — 4 players2026-09-26 23:00 — 2 players2026-09-28 06:00 — 0 players2026-09-29 14:00 — 1 players2026-09-30 21:00 — 1 players2026-10-02 05:00 — 0 players2026-10-03 12:00 — 1 players2026-10-04 21:00 — 2 players2026-10-06 04:00 — 1 players2026-10-07 12:00 — 1 players2026-10-08 19:00 — 0 players2026-10-10 03:00 — 0 players2026-10-11 10:00 — 2 players2026-10-12 18:00 — 4 players2026-10-14 01:00 — 2 players2026-10-14 17:00 — 2 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$18.03$1.792019-04-082026-10-142019-04-08 — best price $17.992019-07-13 — best price $17.992019-10-28 — best price $14.392020-01-13 — best price $18.032020-02-24 — best price $17.992020-05-25 — best price $17.992020-07-31 — best price $9.992020-09-04 — best price $16.092020-10-15 — best price $17.992020-11-23 — best price $9.172021-01-01 — best price $17.992021-02-08 — best price $17.992021-03-28 — best price $16.092021-05-10 — best price $17.992021-07-15 — best price $7.192021-11-12 — best price $5.502022-01-14 — best price $17.992022-04-22 — best price $5.752022-11-23 — best price $7.192023-01-21 — best price $14.162023-04-10 — best price $17.992023-06-14 — best price $3.602023-08-07 — best price $2.692023-10-10 — best price $3.592023-12-15 — best price $2.882024-02-14 — best price $3.592024-04-05 — best price $15.292024-06-06 — best price $14.162024-11-07 — best price $15.292025-02-23 — best price $15.292025-06-03 — best price $17.992025-10-09 — best price $4.492026-04-03 — best price $17.992026-09-03 — best price $4.492026-09-28 — best price $4.492026-10-14 — best price $17.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

38
achievements tracked
75.5%
earned "Comprehensive Intelligence"
23.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsSteam WorkshopSteam CloudSteam LeaderboardsFamily Sharing3 DLC

4 supported languages: English, French, German, Russian

Post-launch support: 3 DLC released, first 2019-04-19, latest 2020-06-25 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Switch (Nintendo)0—0

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

Player tags

3DWarCasualEconomySandboxPoliticsStrategyDifficultPoliticalManagement

Census log

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

Players also track

Star Control®: OriginsDig or DieSurvivalistReverse CrawlForce of NatureWeapon Shop FantasyRebel Galaxy OutlawCHANGE: A Homeless Survival Experience

Similarity via IGDB.

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