The Game Census
IDUN cover art

IDUN

IDUN Interactive · Surefire.Games · 2025-01-20

Steam

ActionAdventureIndieSimulationStrategy

Modes: Single player

Releases: Jan 20, 2025 (Linux), Jan 20, 2025 (Mac), Jan 20, 2025 (PC (Microsoft Windows))

A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!

44
playing now
79%
positive of 718 reviews
Mostly Positive
steam rating
20,000–50,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
$5.99
steam price (US)

44 players in-game as of 2026-08-30 11:00 UTC (census sample)

Health check

Quiet
  • · 44 players in-game at the last census sample.
  • · 16 reviews in the last 8 weeks (~2/week).
  • · Review velocity down 6% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (271 reviews).
  • · Top 40% of 10,903 Action games in the census by review count.
Estimated sales: 14k–32k copies

Review-multiple estimate from 718 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$5.99-60%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $5.99 at Steam (2026-06-25)via IsThereAnyDeal

12-month high $14.99 · on sale 11 of 22 observed days (census price snapshots)

Review momentum

PositiveNegative
19619620252026Week of 2025-01-20: 196 positiveWeek of 2025-01-20: 75 negativeWeek of 2025-01-27: 52 positiveWeek of 2025-01-27: 13 negativeWeek of 2025-02-03: 28 positiveWeek of 2025-02-03: 2 negativeWeek of 2025-02-10: 16 positiveWeek of 2025-02-10: 2 negativeWeek of 2025-02-17: 13 positiveWeek of 2025-02-17: 3 negativeWeek of 2025-02-24: 10 positiveWeek of 2025-02-24: 1 negativeWeek of 2025-03-03: 3 positiveWeek of 2025-03-03: 1 negativeWeek of 2025-03-10: 10 positiveWeek of 2025-03-10: 4 negativeWeek of 2025-03-17: 14 positiveWeek of 2025-03-17: 2 negativeWeek of 2025-03-24: 12 positiveWeek of 2025-03-24: 4 negativeWeek of 2025-03-31: 6 positiveWeek of 2025-03-31: 1 negativeWeek of 2025-04-07: 1 positiveWeek of 2025-04-14: 5 positiveWeek of 2025-04-14: 1 negativeWeek of 2025-04-21: 5 positiveWeek of 2025-04-28: 4 positiveWeek of 2025-04-28: 2 negativeWeek of 2025-05-05: 2 positiveWeek of 2025-05-05: 6 negativeWeek of 2025-05-12: 2 positiveWeek of 2025-05-12: 2 negativeWeek of 2025-05-19: 7 positiveWeek of 2025-05-19: 1 negativeWeek of 2025-05-26: 2 positiveWeek of 2025-05-26: 1 negativeWeek of 2025-06-02: 3 positiveWeek of 2025-06-02: 1 negativeWeek of 2025-06-09: 3 positiveWeek of 2025-06-16: 3 positiveWeek of 2025-06-23: 4 positiveWeek of 2025-06-30: 3 positiveWeek of 2025-07-07: 1 positiveWeek of 2025-07-14: 3 positiveWeek of 2025-07-21: 1 positiveWeek of 2025-07-28: 4 positiveWeek of 2025-08-11: 2 positiveWeek of 2025-08-11: 1 negativeWeek of 2025-08-18: 1 positiveWeek of 2025-08-25: 3 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-09-08: 2 positiveWeek of 2025-09-08: 1 negativeWeek of 2025-09-29: 1 positiveWeek of 2025-09-29: 2 negativeWeek of 2025-10-06: 4 positiveWeek of 2025-10-06: 1 negativeWeek of 2025-10-13: 2 positiveWeek of 2025-10-13: 1 negativeWeek of 2025-10-20: 2 positiveWeek of 2025-10-27: 3 positiveWeek of 2025-10-27: 2 negativeWeek of 2025-11-03: 2 positiveWeek of 2025-11-10: 1 negativeWeek of 2025-11-17: 2 positiveWeek of 2025-11-24: 5 positiveWeek of 2025-11-24: 1 negativeWeek of 2025-12-01: 2 positiveWeek of 2025-12-08: 2 positiveWeek of 2025-12-08: 1 negativeWeek of 2025-12-22: 3 positiveWeek of 2025-12-22: 2 negativeWeek of 2025-12-29: 2 positiveWeek of 2025-12-29: 1 negativeWeek of 2026-01-05: 6 positiveWeek of 2026-01-05: 1 negativeWeek of 2026-01-19: 6 positiveWeek of 2026-01-19: 1 negativeWeek of 2026-01-26: 4 positiveWeek of 2026-01-26: 1 negativeWeek of 2026-02-02: 1 negativeWeek of 2026-02-09: 2 positiveWeek of 2026-02-09: 1 negativeWeek of 2026-02-23: 1 positiveWeek of 2026-03-02: 3 positiveWeek of 2026-03-09: 8 positiveWeek of 2026-03-09: 2 negativeWeek of 2026-03-16: 4 positiveWeek of 2026-03-16: 3 negativeWeek of 2026-03-23: 6 positiveWeek of 2026-03-23: 4 negativeWeek of 2026-03-30: 2 positiveWeek of 2026-03-30: 1 negativeWeek of 2026-04-13: 1 positiveWeek of 2026-04-20: 6 positiveWeek of 2026-04-27: 3 positiveWeek of 2026-04-27: 1 negativeWeek of 2026-05-04: 1 positiveWeek of 2026-05-11: 2 positiveWeek of 2026-05-18: 1 negativeWeek of 2026-05-25: 1 positiveWeek of 2026-06-01: 2 positiveWeek of 2026-06-08: 3 positiveWeek of 2026-06-15: 3 positiveWeek of 2026-06-22: 1 positiveWeek of 2026-06-29: 1 positiveWeek of 2026-06-29: 1 negativeWeek of 2026-07-06: 2 positiveWeek of 2026-07-13: 3 positiveWeek of 2026-07-20: 2 positiveWeek of 2026-07-27: 1 positiveWeek of 2026-07-27: 2 negativeWeek of 2026-08-10: 1 positiveWeek of 2026-08-10: 1 negativeWeek of 2026-08-17: 1 negativeWeek of 2026-08-24: 1 positiveWeek of 2026-08-24: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

44182026-08-26 12:00 — 30 players2026-08-27 04:00 — 24 players2026-08-27 20:00 — 25 players2026-08-28 12:00 — 22 players2026-08-29 04:00 — 18 players2026-08-29 19:00 — 31 players2026-08-30 11:00 — 44 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$14.99$5.992025-01-202026-08-242025-01-20 — best price $13.492025-02-03 — best price $14.992025-03-13 — best price $12.742025-03-20 — best price $14.992025-03-24 — best price $12.742025-03-31 — best price $14.992025-05-05 — best price $11.242025-05-12 — best price $14.992025-06-27 — best price $10.492025-07-10 — best price $14.992025-07-14 — best price $10.492025-07-21 — best price $14.992025-08-25 — best price $10.492025-09-01 — best price $14.992025-09-29 — best price $9.742025-10-13 — best price $14.992025-12-04 — best price $9.742025-12-11 — best price $14.992025-12-18 — best price $8.992026-01-05 — best price $14.992026-01-20 — best price $8.242026-01-26 — best price $14.992026-03-09 — best price $7.492026-03-16 — best price $14.992026-03-19 — best price $7.492026-03-26 — best price $14.992026-04-20 — best price $6.742026-04-27 — best price $14.992026-06-01 — best price $6.742026-06-08 — best price $14.992026-06-25 — best price $5.992026-07-09 — best price $14.992026-07-13 — best price $5.992026-07-20 — best price $14.992026-08-24 — best price $5.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

60+
achievements tracked
92.4%
earned "Wake Up Call - Cleared"
20.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxFull controller supportSingle-playerSteam AchievementsFull controller supportDualShock Controller SupportDualShock Controller SupportDualSense Controller SupportDualSense Controller SupportSteam CloudFamily Sharing

8 supported languages: English, French, German, Spanish - Spain, Japanese, Simplified Chinese, Traditional Chinese, Korean

Player tags

3DRTSSpaceCombatMiningSci-fiWargameBuildingStrategySurvival

Census log

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

Players also track

Star Control®: OriginsTransOcean: The Shipping CompanySupreme Ruler UltimateSurvivalistPolaris SectorMedieval Kingdom WarsBronze Age - HD EditionBusiness Magnate

Similarity via IGDB.

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