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.

Sentinel 3: Homeworld is an Indie and Strategy game released in 2014, priced at $5.99, with an estimated 20,000 to 50,000 owners and Mostly Positive reviews (80% of 148 reviews).

1
playing now
80%
positive of 148 reviews
Mostly Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
60/100
IGDB user rating (1 ratings)
gold
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$5.99
steam price (US)

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

Health check

Quiet
  • · 1 players in-game at the last census sample.
  • · 11 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 22% vs the prior 8 weeks.
  • · Top 29% of 49,548 Indie games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 3.7k–8.9k copies

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

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

12-month high $6.99 · on sale 28 of 57 observed days (census price snapshots)

Review momentum

PositiveNegative
8820142026Week of 2014-02-01: 8 positiveWeek of 2014-02-01: 1 negativeWeek of 2014-03-01: 1 positiveWeek of 2014-05-01: 4 positiveWeek of 2014-05-01: 1 negativeWeek of 2014-07-01: 4 positiveWeek of 2014-07-01: 1 negativeWeek of 2014-08-01: 1 negativeWeek of 2014-09-01: 1 positiveWeek of 2014-09-01: 1 negativeWeek of 2014-10-01: 5 positiveWeek of 2014-11-01: 1 positiveWeek of 2014-12-01: 2 positiveWeek of 2014-12-01: 1 negativeWeek of 2015-01-01: 1 positiveWeek of 2015-01-01: 1 negativeWeek of 2015-02-01: 4 positiveWeek of 2015-02-01: 1 negativeWeek of 2015-04-01: 1 positiveWeek of 2015-05-01: 1 positiveWeek of 2015-06-01: 6 positiveWeek of 2015-06-01: 2 negativeWeek of 2015-07-01: 2 positiveWeek of 2015-08-01: 3 positiveWeek of 2015-09-01: 1 positiveWeek of 2015-10-01: 1 positiveWeek of 2015-11-01: 1 positiveWeek of 2015-11-01: 2 negativeWeek of 2015-12-01: 1 negativeWeek of 2016-02-01: 1 positiveWeek of 2016-04-01: 1 positiveWeek of 2016-05-01: 2 positiveWeek of 2016-08-01: 2 positiveWeek of 2016-09-01: 1 positiveWeek of 2016-10-01: 1 positiveWeek of 2016-12-01: 2 positiveWeek of 2017-01-01: 1 positiveWeek of 2017-01-01: 1 negativeWeek of 2017-02-01: 1 positiveWeek of 2017-04-01: 1 negativeWeek of 2017-05-01: 1 positiveWeek of 2017-06-01: 1 positiveWeek of 2017-07-01: 1 positiveWeek of 2017-10-01: 1 positiveWeek of 2017-11-01: 1 positiveWeek of 2018-06-01: 2 positiveWeek of 2018-08-01: 1 positiveWeek of 2018-09-01: 1 positiveWeek of 2018-10-01: 1 positiveWeek of 2018-12-01: 1 positiveWeek of 2019-03-01: 2 positiveWeek of 2019-06-01: 1 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-09-01: 1 positiveWeek of 2019-11-01: 1 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 3 positiveWeek of 2020-04-01: 1 positiveWeek of 2020-05-01: 5 positiveWeek of 2020-05-01: 2 negativeWeek of 2020-06-01: 1 positiveWeek of 2020-08-01: 2 positiveWeek of 2020-10-01: 1 positiveWeek of 2021-01-01: 2 positiveWeek of 2021-03-01: 1 positiveWeek of 2021-04-01: 1 positiveWeek of 2021-06-01: 1 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-11-01: 1 positiveWeek of 2022-04-01: 2 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-06-01: 1 positiveWeek of 2022-07-01: 2 positiveWeek of 2022-08-01: 1 positiveWeek of 2022-09-01: 2 positiveWeek of 2022-11-01: 1 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-03-01: 1 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-11-01: 1 negativeWeek of 2024-01-01: 2 positiveWeek of 2024-02-01: 2 negativeWeek of 2024-03-01: 1 positiveWeek of 2024-06-01: 1 negativeWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 1 positiveWeek of 2025-01-01: 3 positiveWeek of 2025-07-01: 2 positiveWeek of 2025-08-01: 2 positiveWeek of 2025-11-01: 1 positiveWeek of 2026-05-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

402026-09-15 08:00 — 1 players2026-09-16 17:00 — 4 players2026-09-18 00:00 — 2 players2026-09-19 08:00 — 4 players2026-09-20 15:00 — 3 players2026-09-21 23:00 — 0 players2026-09-23 06:00 — 0 players2026-09-24 14:00 — 3 players2026-09-25 21:00 — 3 players2026-09-27 05:00 — 0 players2026-09-28 12:00 — 1 players2026-09-29 20:00 — 1 players2026-10-01 03:00 — 0 players2026-10-02 11:00 — 1 players2026-10-03 19:00 — 2 players2026-10-05 03:00 — 0 players2026-10-06 10:00 — 2 players2026-10-07 18:00 — 2 players2026-10-09 01:00 — 1 players2026-10-10 09:00 — 2 players2026-10-11 16:00 — 2 players2026-10-13 00:00 — 0 players2026-10-14 08:00 — 1 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).

Completion

47
achievements tracked
87.6%
earned "Mission 1"
31.8%
median achievement earned by

Global achievement rates from Steam.

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.

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Similarity via IGDB.

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