The Game Census
PLANET ALPHA cover art

PLANET ALPHA

Planet Alpha ApS · Team17 Digital Ltd · 2018-09-04

SteamGOGPlayStation StoreMicrosoft Store

ActionAdventureIndie

Modes: Single player · Perspectives: Side view

Releases: Sep 04, 2018 (PlayStation 4), Sep 04, 2018 (Nintendo Switch), Sep 04, 2018 (Xbox One), Sep 04, 2018 (PC (Microsoft Windows))

PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.

PLANET ALPHA is a 2018 Action, Adventure, and Indie game priced at $9.99, with Mostly Positive reviews from 70% of 1,134 reviews and an estimated 100,000 to 200,000 owners.

0
playing now
70%
positive of 1.1k reviews
Mostly Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
58/100
critic score (3 outlets, IGDB)
69/100
IGDB user rating (31 ratings)
4.09★
PlayStation Store rating (629 ratings)
gold
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$9.99
steam price (US)

0 players in-game as of 2026-10-15 23:00 UTC (census sample)

Health check

Quietly active
  • · 0 players in-game at the last census sample.
  • · 37 reviews in the last 8 weeks (~5/week).
  • · Review velocity up 12% vs the prior 8 weeks.
  • · Top 14% of 28,539 Action games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 28k–68k copies

Review-multiple estimate from 1,134 total reviews — how this is computed.

Current store prices

GameBillet$1.72-91%
Gamesplanet$1.84-82%
Steam$1.99-80%
Microsoft Store$9.99
GOG$19.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $1.64 at 2game (2022-03-11) · bundled 2×via IsThereAnyDeal

12-month high $19.99 · on sale 194 of 217 observed days · $0.20 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
646420182026Week of 2018-09-01: 64 positiveWeek of 2018-09-01: 10 negativeWeek of 2018-10-01: 15 positiveWeek of 2018-10-01: 5 negativeWeek of 2018-11-01: 16 positiveWeek of 2018-11-01: 4 negativeWeek of 2018-12-01: 9 positiveWeek of 2018-12-01: 4 negativeWeek of 2019-01-01: 6 positiveWeek of 2019-01-01: 3 negativeWeek of 2019-02-01: 2 positiveWeek of 2019-02-01: 3 negativeWeek of 2019-03-01: 9 positiveWeek of 2019-03-01: 3 negativeWeek of 2019-04-01: 3 positiveWeek of 2019-05-01: 1 positiveWeek of 2019-05-01: 3 negativeWeek of 2019-06-01: 8 positiveWeek of 2019-06-01: 1 negativeWeek of 2019-07-01: 4 positiveWeek of 2019-07-01: 2 negativeWeek of 2019-08-01: 2 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 1 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-10-01: 13 positiveWeek of 2019-10-01: 3 negativeWeek of 2019-11-01: 12 positiveWeek of 2019-11-01: 5 negativeWeek of 2019-12-01: 15 positiveWeek of 2019-12-01: 4 negativeWeek of 2020-01-01: 5 positiveWeek of 2020-01-01: 2 negativeWeek of 2020-02-01: 8 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 4 positiveWeek of 2020-03-01: 2 negativeWeek of 2020-04-01: 12 positiveWeek of 2020-05-01: 4 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 18 positiveWeek of 2020-07-01: 9 positiveWeek of 2020-07-01: 3 negativeWeek of 2020-08-01: 7 positiveWeek of 2020-09-01: 6 positiveWeek of 2020-09-01: 2 negativeWeek of 2020-10-01: 10 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 12 positiveWeek of 2020-11-01: 3 negativeWeek of 2020-12-01: 5 positiveWeek of 2020-12-01: 1 negativeWeek of 2021-01-01: 10 positiveWeek of 2021-01-01: 4 negativeWeek of 2021-02-01: 3 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 7 positiveWeek of 2021-04-01: 2 positiveWeek of 2021-04-01: 1 negativeWeek of 2021-05-01: 12 positiveWeek of 2021-05-01: 5 negativeWeek of 2021-06-01: 3 positiveWeek of 2021-06-01: 4 negativeWeek of 2021-07-01: 6 positiveWeek of 2021-07-01: 2 negativeWeek of 2021-08-01: 2 positiveWeek of 2021-09-01: 3 positiveWeek of 2021-09-01: 1 negativeWeek of 2021-10-01: 6 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 6 positiveWeek of 2021-12-01: 2 positiveWeek of 2021-12-01: 3 negativeWeek of 2022-01-01: 5 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-02-01: 3 positiveWeek of 2022-02-01: 3 negativeWeek of 2022-03-01: 2 positiveWeek of 2022-04-01: 1 positiveWeek of 2022-05-01: 1 positiveWeek of 2022-05-01: 2 negativeWeek of 2022-06-01: 2 positiveWeek of 2022-06-01: 4 negativeWeek of 2022-07-01: 2 positiveWeek of 2022-07-01: 1 negativeWeek of 2022-08-01: 4 positiveWeek of 2022-09-01: 1 positiveWeek of 2022-10-01: 7 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 4 positiveWeek of 2022-12-01: 1 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 3 positiveWeek of 2023-01-01: 4 negativeWeek of 2023-02-01: 3 positiveWeek of 2023-03-01: 3 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-05-01: 2 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 1 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 1 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 1 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 7 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 2 positiveWeek of 2024-01-01: 3 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-02-01: 4 positiveWeek of 2024-03-01: 4 positiveWeek of 2024-04-01: 3 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 3 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 8 positiveWeek of 2024-07-01: 4 positiveWeek of 2024-07-01: 2 negativeWeek of 2024-08-01: 2 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 1 positiveWeek of 2024-09-01: 2 negativeWeek of 2024-10-01: 3 positiveWeek of 2024-10-01: 1 negativeWeek of 2024-11-01: 3 positiveWeek of 2024-12-01: 2 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 3 positiveWeek of 2025-01-01: 3 negativeWeek of 2025-02-01: 2 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 3 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 3 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 3 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 2 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 2 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-08-01: 3 negativeWeek of 2025-09-01: 5 positiveWeek of 2025-09-01: 2 negativeWeek of 2025-10-01: 1 positiveWeek of 2025-11-01: 3 positiveWeek of 2025-11-01: 2 negativeWeek of 2025-12-01: 4 positiveWeek of 2025-12-01: 3 negativeWeek of 2026-01-01: 5 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 3 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 5 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 3 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 2 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 5 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 5 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

202026-09-17 00:00 — 1 players2026-09-18 08:00 — 0 players2026-09-19 15:00 — 1 players2026-09-20 23:00 — 1 players2026-09-22 07:00 — 1 players2026-09-23 14:00 — 0 players2026-09-24 22:00 — 0 players2026-09-26 05:00 — 1 players2026-09-27 13:00 — 0 players2026-09-28 20:00 — 0 players2026-09-30 04:00 — 0 players2026-10-01 11:00 — 0 players2026-10-02 19:00 — 1 players2026-10-04 03:00 — 2 players2026-10-05 10:00 — 0 players2026-10-06 18:00 — 2 players2026-10-08 01:00 — 0 players2026-10-09 09:00 — 0 players2026-10-10 16:00 — 1 players2026-10-12 00:00 — 1 players2026-10-13 08:00 — 1 players2026-10-14 15:00 — 0 players2026-10-15 23:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$19.99$1.642018-08-142026-10-162018-08-14 — best price $17.992018-11-29 — best price $19.992019-03-15 — best price $19.992019-07-18 — best price $9.992019-09-28 — best price $15.952019-12-01 — best price $3.892020-02-07 — best price $19.632020-04-19 — best price $4.502020-06-27 — best price $15.952020-09-21 — best price $4.992020-12-03 — best price $19.992021-02-07 — best price $16.882021-04-29 — best price $19.992021-06-21 — best price $19.992021-09-08 — best price $16.792021-11-26 — best price $4.992022-02-04 — best price $19.992022-04-15 — best price $19.992022-07-25 — best price $3.992022-10-15 — best price $17.482023-01-05 — best price $19.992023-05-04 — best price $17.492023-07-31 — best price $3.992023-11-28 — best price $9.992024-02-29 — best price $3.992024-05-21 — best price $5.992024-08-20 — best price $3.282024-11-01 — best price $3.492025-01-16 — best price $16.792025-04-11 — best price $4.002025-07-14 — best price $8.442025-09-18 — best price $4.002025-11-20 — best price $1.742026-02-12 — best price $5.992026-04-16 — best price $3.992026-06-19 — best price $1.792026-08-18 — best price $1.992026-09-23 — best price $1.722026-10-16 — best price $1.84
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

16
achievements tracked
22%
earned "Bone Appetite!"
7.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam Trading CardsSteam CloudFamily Sharing2 DLC

12 supported languages: English, French, Italian, German, Spanish - Spain, Danish, Romanian, Russian, Swedish, Japanese, Korean, Simplified Chinese

Post-launch support: 2 DLC released, first 2018-09-04 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Xbox One (Xbox)2,83929%16
Steam (Steam)1,19118%16
PS4 (PlayStation)70743%16
Switch (Nintendo)400%0

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

2.5DIndieSpaceActionAliensSci-fiStealthSurvivalAdventureOpen World

Census log

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

Players also track

Don't Knock TwiceToby: The Secret MineForgotton AnneSemblanceEternity: The Last UnicornDream AloneDegrees of SeparationEtherborn

Similarity via IGDB.

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