The Game Census
Sentinel 3: Homeworld cover art

Sentinel 3: Homeworld

Origin8 · Strategy First · 2014-02-03

SteamEpic Games Store

IndieStrategy

Modes: Single player

Releases: Jan 01, 2014 (PC (Microsoft Windows))

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

4
playing now
80%
positive of 148 reviews
Mostly Positive
steam rating
20,000–50,000
owners (SteamSpy est.)
60/100
IGDB user rating (1 ratings)
gold
deck/linux tier (ProtonDB)
$5.99
steam price (US)

4 players in-game as of 2026-08-30 13:00 UTC (census sample)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 56% of 18,161 Indie games in the census by review count.
Estimated sales: 3.7k–8.9k copies

Review-multiple estimate from 148 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$5.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.52 at GamersGate (2021-06-14) · bundled 3×via IsThereAnyDeal

12-month high $6.99 · on sale 33 of 66 observed days (census price snapshots)

Players online

402026-08-12 00:00 — 1 players2026-08-12 16:00 — 1 players2026-08-13 08:00 — 2 players2026-08-13 23:00 — 0 players2026-08-14 15:00 — 1 players2026-08-15 07:00 — 1 players2026-08-15 23:00 — 0 players2026-08-16 15:00 — 2 players2026-08-17 07:00 — 1 players2026-08-17 23:00 — 0 players2026-08-18 14:00 — 2 players2026-08-19 06:00 — 1 players2026-08-19 22:00 — 2 players2026-08-20 14:00 — 1 players2026-08-21 06:00 — 2 players2026-08-21 21:00 — 1 players2026-08-22 13:00 — 4 players2026-08-23 05:00 — 2 players2026-08-23 21:00 — 0 players2026-08-24 12:00 — 1 players2026-08-25 04:00 — 1 players2026-08-25 20:00 — 0 players2026-08-26 13:00 — 2 players2026-08-27 05:00 — 0 players2026-08-27 21:00 — 3 players2026-08-28 12:00 — 1 players2026-08-29 05:00 — 0 players2026-08-29 21:00 — 1 players2026-08-30 13:00 — 4 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$15.42$0.522015-01-012026-08-212015-01-01 — best price $1.742015-04-30 — best price $15.412015-12-22 — best price $1.042016-02-06 — best price $9.492016-10-24 — best price $1.392017-11-01 — best price $6.992018-04-03 — best price $8.392018-07-19 — best price $1.402018-11-20 — best price $1.392019-04-25 — best price $6.992019-12-16 — best price $6.992020-05-08 — best price $8.092020-06-30 — best price $5.772020-08-03 — best price $6.992020-09-16 — best price $6.992020-10-29 — best price $6.292020-12-04 — best price $6.992021-01-11 — best price $5.842021-02-22 — best price $5.842021-04-02 — best price $5.132021-05-10 — best price $6.992021-07-08 — best price $6.992021-12-09 — best price $6.992022-03-07 — best price $6.992022-07-01 — best price $5.132022-11-14 — best price $1.192023-02-13 — best price $1.392023-06-15 — best price $6.992023-11-20 — best price $0.892024-03-28 — best price $6.992024-08-19 — best price $1.192025-02-14 — best price $6.992025-08-25 — best price $5.992026-02-09 — best price $1.202026-07-06 — best price $5.992026-08-21 — best price $5.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam AchievementsFamily Sharing

1 supported languages: English

Player tags

IndieActionSci-fiStrategyTower Defense

Census log

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

Players also track

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Similarity via IGDB.

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