The Game Census
Combined Arms Operations Series cover art

Combined Arms Operations Series

Nemeton Singularity Simulations · 2021-06-21

Steam

SimulationStrategy

Modes: Single player, Multiplayer, Co-operative

Releases: Jun 21, 2021 (PC (Microsoft Windows))

The Combined Arms Operations Series simulates hypothetical battles between World War II armies. Assemble your forces, out plan, and outfight your enemies to master the art of combined arms warfare in chaotic simultaneous turns where commanders must adapt quickly to an evolving battlefield.

Combined Arms Operations Series is a Simulation, Strategy game released in 2021, priced at $19.99, with an estimated 50,000 .. 100,000 owners and a Positive sentiment (92% of 25 reviews).

0
playing now
92%
positive of 25 reviews
Positive
steam's rating (official)
50,000–100,000
owners (SteamSpy est.)
$19.99
steam price (US)

0 players in-game as of 2026-10-14 20:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 8 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 27% vs the prior 8 weeks.
  • · Top 74% of 16,638 Simulation games in the census by review count.

Health tier since 2026-09-02

All-time low: $13.99 at Steam (2025-12-18)via IsThereAnyDeal

12-month high $19.99 · on sale 1 of 2 observed days (census price snapshots)

Review momentum

PositiveNegative
2220212026Week of 2021-06-01: 2 positiveWeek of 2021-07-01: 1 positiveWeek of 2021-10-01: 1 positiveWeek of 2021-11-01: 1 positiveWeek of 2021-12-01: 2 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-02-01: 1 positiveWeek of 2022-08-01: 1 positiveWeek of 2022-11-01: 1 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-04-01: 1 negativeWeek of 2024-01-01: 1 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-11-01: 1 positiveWeek of 2025-01-01: 1 positiveWeek of 2025-02-01: 1 positiveWeek of 2025-03-01: 1 positiveWeek of 2025-05-01: 1 positiveWeek of 2025-06-01: 1 positiveWeek of 2025-10-01: 1 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-07-01: 2 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

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

Price history

$19.99$13.992021-06-212026-01-052021-06-21 — best price $19.992021-12-22 — best price $14.992022-01-05 — best price $19.992022-12-22 — best price $14.992023-01-05 — best price $19.992023-06-29 — best price $15.992023-07-13 — best price $19.992023-08-28 — best price $14.992023-09-04 — best price $19.992023-12-21 — best price $14.992024-01-04 — best price $19.992024-06-27 — best price $14.992024-07-11 — best price $19.992024-11-27 — best price $15.992024-12-04 — best price $19.992025-04-28 — best price $15.992025-05-05 — best price $19.992025-06-26 — best price $15.992025-07-10 — best price $19.992025-12-18 — best price $13.992026-01-05 — best price $19.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

27
achievements tracked
98.9%
earned "Launch the game"
1.9%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerPvPOnline PvPCo-opOnline Co-opSteam AchievementsSteam WorkshopSteam CloudFamily Sharing

1 supported languages: English

Player tags

WarWargameHex GridMilitaryModdableStrategyTacticalBoard GameHistoricalSimulation

Census log

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

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Similarity via IGDB.

Official site ↗