The Game Census
Infinite Space III: Sea of Stars cover art

Infinite Space III: Sea of Stars

Digital Eel · 2015-10-29

SteamGOG

AdventureIndie

Modes: Single player

Releases: Sep 04, 2015 (Mac), Sep 04, 2015 (PC (Microsoft Windows))

Sea of Stars is a starship roguelike, a sandbox adventure game of interstellar exploration and combat. Travel from star to star, upgrade your ship with new systems and weapons, build up your flotilla with allies and mercenaries, and take on a variety of alien menaces.

Infinite Space III: Sea of Stars is an Adventure and Indie game released in 2015, priced at $4.99, with Mixed reviews (68% of 129 reviews) and an estimated 20,000 .. 50,000 owners.

0
playing now
68%
positive of 129 reviews
Mixed
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
60/100
IGDB user rating (0 ratings)
gold
deck/linux tier (ProtonDB)
$4.99
steam price (US)

0 players in-game as of 2026-10-15 00:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 4 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 43% vs the prior 8 weeks.
  • · Top 36% of 28,838 Adventure games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 3.2k–7.7k copies

Review-multiple estimate from 129 total reviews — how this is computed.

Current store prices

GOG$0.99-80%

Deal snapshots via CheapShark, refreshed daily.

All-time low: $0.99 at Humble Store (2022-05-06) · bundled 5×via IsThereAnyDeal

12-month high $4.99 · on sale 47 of 80 observed days · at its all-time low (census price snapshots)

Review momentum

PositiveNegative
3320142026Week of 2014-04-01: 1 positiveWeek of 2014-07-01: 1 positiveWeek of 2014-11-01: 3 positiveWeek of 2015-03-01: 1 positiveWeek of 2015-04-01: 1 positiveWeek of 2015-05-01: 1 positiveWeek of 2015-06-01: 2 positiveWeek of 2015-07-01: 2 positiveWeek of 2015-10-01: 1 positiveWeek of 2015-10-01: 1 negativeWeek of 2015-11-01: 2 positiveWeek of 2015-11-01: 1 negativeWeek of 2015-12-01: 2 positiveWeek of 2015-12-01: 1 negativeWeek of 2016-01-01: 3 positiveWeek of 2016-01-01: 1 negativeWeek of 2016-03-01: 1 positiveWeek of 2016-03-01: 1 negativeWeek of 2016-04-01: 1 positiveWeek of 2016-04-01: 1 negativeWeek of 2016-05-01: 1 positiveWeek of 2016-12-01: 1 positiveWeek of 2017-01-01: 1 positiveWeek of 2017-02-01: 1 negativeWeek of 2017-03-01: 1 negativeWeek of 2017-05-01: 1 positiveWeek of 2017-06-01: 1 positiveWeek of 2017-10-01: 1 positiveWeek of 2018-08-01: 1 negativeWeek of 2019-07-01: 1 negativeWeek of 2019-10-01: 1 positiveWeek of 2019-11-01: 1 positiveWeek of 2020-04-01: 1 positiveWeek of 2020-12-01: 1 positiveWeek of 2021-03-01: 1 positiveWeek of 2021-11-01: 1 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-07-01: 1 positiveWeek of 2023-08-01: 1 positiveWeek of 2023-09-01: 1 positiveWeek of 2024-06-01: 1 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-09-01: 1 negativeWeek of 2025-11-01: 1 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

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

Price history

$9.99$0.992015-01-012026-10-142015-01-01 — best price $4.992015-11-09 — best price $9.992015-12-25 — best price $9.992016-05-10 — best price $4.992016-11-09 — best price $9.992016-12-08 — best price $3.392017-01-26 — best price $9.992017-10-24 — best price $9.992018-01-11 — best price $2.492018-10-29 — best price $1.992019-01-24 — best price $9.992019-11-01 — best price $9.992020-03-25 — best price $8.892020-06-25 — best price $1.992020-12-01 — best price $9.992021-04-30 — best price $1.692021-11-19 — best price $1.692022-02-02 — best price $4.992022-10-24 — best price $1.692023-01-20 — best price $2.492023-06-29 — best price $1.692023-11-06 — best price $4.992024-02-15 — best price $0.992024-07-11 — best price $0.992024-12-04 — best price $4.992025-03-20 — best price $0.992025-07-28 — best price $4.992025-09-19 — best price $4.992025-10-28 — best price $0.992026-01-08 — best price $0.992026-03-27 — best price $0.992026-06-09 — best price $0.992026-08-29 — best price $0.992026-09-06 — best price $0.992026-09-14 — best price $4.992026-09-22 — best price $4.992026-09-30 — best price $0.992026-10-08 — best price $4.992026-10-14 — best price $0.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

52
achievements tracked
22.6%
earned "First Flight"
4.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerFamily Sharing1 DLC

Post-launch support: 1 DLC released, first 2015-07-03 (Steam store data)

Player tags

IndieSpaceSci-fiAdventureRogue-like

Census log

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

Players also track

Star Control®: OriginsSurvivalistInto the StarsSol 0: Mars ColonizationPlanetbaseMedieval Kingdom WarsForce of NatureAncient Cities

Similarity via IGDB.