The Game Census
BRAIN / OUT cover art

BRAIN / OUT

Desertkun · 2017-02-24

Steam

ActionFree To PlayIndieMassively Multiplayer

Modes: Multiplayer, Massively Multiplayer Online (MMO) · Perspectives: Side view

Releases: Feb 24, 2017 (PC (Microsoft Windows)), Feb 24, 2017 (Mac), Feb 24, 2017 (Linux)

Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!

BRAIN / OUT is an Action, Free To Play, Indie, and Massively Multiplayer game released in 2017, free-to-play, with an estimated 1,000,000 .. 2,000,000 owners and a Very Positive review sentiment (82% of 15225 reviews).

1
playing now
82%
positive of 15k reviews
Very Positive
steam's rating (official)
1,000,000–2,000,000
owners (SteamSpy est.)
70/100
IGDB user rating (5 ratings)
platinum
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
Free
steam price (US)

1 players in-game as of 2026-10-14 11:00 UTC (census sample)

Health check

Quietly active
  • · 1 players in-game at the last census sample.
  • · 137 reviews in the last 8 weeks (~17/week).
  • · Review velocity down 17% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (390 reviews).
  • · Top 4% of 27,649 Action games in the census by review count.

Health tier since 2026-08-30

All-time low: $1.39 at Steam (2021-12-23)via IsThereAnyDeal

Review momentum

PositiveNegative
36936920182026Week of 2018-01-01: 319 positiveWeek of 2018-01-01: 71 negativeWeek of 2018-02-01: 186 positiveWeek of 2018-02-01: 64 negativeWeek of 2018-03-01: 271 positiveWeek of 2018-03-01: 51 negativeWeek of 2018-04-01: 207 positiveWeek of 2018-04-01: 69 negativeWeek of 2018-05-01: 240 positiveWeek of 2018-05-01: 72 negativeWeek of 2018-06-01: 223 positiveWeek of 2018-06-01: 66 negativeWeek of 2018-07-01: 155 positiveWeek of 2018-07-01: 48 negativeWeek of 2018-08-01: 187 positiveWeek of 2018-08-01: 48 negativeWeek of 2018-09-01: 92 positiveWeek of 2018-09-01: 31 negativeWeek of 2018-10-01: 134 positiveWeek of 2018-10-01: 34 negativeWeek of 2018-11-01: 303 positiveWeek of 2018-11-01: 38 negativeWeek of 2018-12-01: 137 positiveWeek of 2018-12-01: 44 negativeWeek of 2019-01-01: 160 positiveWeek of 2019-01-01: 33 negativeWeek of 2019-02-01: 142 positiveWeek of 2019-02-01: 36 negativeWeek of 2019-03-01: 154 positiveWeek of 2019-03-01: 49 negativeWeek of 2019-04-01: 99 positiveWeek of 2019-04-01: 17 negativeWeek of 2019-05-01: 112 positiveWeek of 2019-05-01: 24 negativeWeek of 2019-06-01: 257 positiveWeek of 2019-06-01: 30 negativeWeek of 2019-07-01: 281 positiveWeek of 2019-07-01: 32 negativeWeek of 2019-08-01: 86 positiveWeek of 2019-08-01: 31 negativeWeek of 2019-09-01: 76 positiveWeek of 2019-09-01: 21 negativeWeek of 2019-10-01: 136 positiveWeek of 2019-10-01: 18 negativeWeek of 2019-11-01: 369 positiveWeek of 2019-11-01: 21 negativeWeek of 2019-12-01: 275 positiveWeek of 2019-12-01: 21 negativeWeek of 2020-01-01: 186 positiveWeek of 2020-01-01: 28 negativeWeek of 2020-02-01: 159 positiveWeek of 2020-02-01: 29 negativeWeek of 2020-03-01: 178 positiveWeek of 2020-03-01: 22 negativeWeek of 2020-04-01: 196 positiveWeek of 2020-04-01: 29 negativeWeek of 2020-05-01: 268 positiveWeek of 2020-05-01: 65 negativeWeek of 2020-06-01: 141 positiveWeek of 2020-06-01: 32 negativeWeek of 2020-07-01: 137 positiveWeek of 2020-07-01: 16 negativeWeek of 2020-08-01: 124 positiveWeek of 2020-08-01: 22 negativeWeek of 2020-09-01: 81 positiveWeek of 2020-09-01: 14 negativeWeek of 2020-10-01: 106 positiveWeek of 2020-10-01: 17 negativeWeek of 2020-11-01: 180 positiveWeek of 2020-11-01: 23 negativeWeek of 2020-12-01: 160 positiveWeek of 2020-12-01: 25 negativeWeek of 2021-01-01: 143 positiveWeek of 2021-01-01: 34 negativeWeek of 2021-02-01: 123 positiveWeek of 2021-02-01: 22 negativeWeek of 2021-03-01: 121 positiveWeek of 2021-03-01: 27 negativeWeek of 2021-04-01: 143 positiveWeek of 2021-04-01: 27 negativeWeek of 2021-05-01: 136 positiveWeek of 2021-05-01: 12 negativeWeek of 2021-06-01: 129 positiveWeek of 2021-06-01: 18 negativeWeek of 2021-07-01: 108 positiveWeek of 2021-07-01: 20 negativeWeek of 2021-08-01: 125 positiveWeek of 2021-08-01: 25 negativeWeek of 2021-09-01: 84 positiveWeek of 2021-09-01: 15 negativeWeek of 2021-10-01: 102 positiveWeek of 2021-10-01: 13 negativeWeek of 2021-11-01: 122 positiveWeek of 2021-11-01: 17 negativeWeek of 2021-12-01: 101 positiveWeek of 2021-12-01: 16 negativeWeek of 2022-01-01: 105 positiveWeek of 2022-01-01: 25 negativeWeek of 2022-02-01: 86 positiveWeek of 2022-02-01: 10 negativeWeek of 2022-03-01: 90 positiveWeek of 2022-03-01: 79 negativeWeek of 2022-04-01: 43 positiveWeek of 2022-04-01: 17 negativeWeek of 2022-05-01: 51 positiveWeek of 2022-05-01: 11 negativeWeek of 2022-06-01: 47 positiveWeek of 2022-06-01: 9 negativeWeek of 2022-07-01: 57 positiveWeek of 2022-07-01: 23 negativeWeek of 2022-08-01: 50 positiveWeek of 2022-08-01: 32 negativeWeek of 2022-09-01: 35 positiveWeek of 2022-09-01: 11 negativeWeek of 2022-10-01: 42 positiveWeek of 2022-10-01: 14 negativeWeek of 2022-11-01: 55 positiveWeek of 2022-11-01: 12 negativeWeek of 2022-12-01: 48 positiveWeek of 2022-12-01: 11 negativeWeek of 2023-01-01: 56 positiveWeek of 2023-01-01: 9 negativeWeek of 2023-02-01: 43 positiveWeek of 2023-02-01: 8 negativeWeek of 2023-03-01: 36 positiveWeek of 2023-03-01: 5 negativeWeek of 2023-04-01: 51 positiveWeek of 2023-04-01: 13 negativeWeek of 2023-05-01: 34 positiveWeek of 2023-05-01: 9 negativeWeek of 2023-06-01: 33 positiveWeek of 2023-06-01: 7 negativeWeek of 2023-07-01: 36 positiveWeek of 2023-07-01: 13 negativeWeek of 2023-08-01: 26 positiveWeek of 2023-08-01: 11 negativeWeek of 2023-09-01: 28 positiveWeek of 2023-09-01: 4 negativeWeek of 2023-10-01: 35 positiveWeek of 2023-10-01: 6 negativeWeek of 2023-11-01: 40 positiveWeek of 2023-11-01: 5 negativeWeek of 2023-12-01: 30 positiveWeek of 2023-12-01: 8 negativeWeek of 2024-01-01: 36 positiveWeek of 2024-01-01: 11 negativeWeek of 2024-02-01: 33 positiveWeek of 2024-02-01: 10 negativeWeek of 2024-03-01: 41 positiveWeek of 2024-03-01: 9 negativeWeek of 2024-04-01: 19 positiveWeek of 2024-04-01: 7 negativeWeek of 2024-05-01: 29 positiveWeek of 2024-05-01: 4 negativeWeek of 2024-06-01: 32 positiveWeek of 2024-06-01: 4 negativeWeek of 2024-07-01: 28 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 21 positiveWeek of 2024-08-01: 3 negativeWeek of 2024-09-01: 23 positiveWeek of 2024-09-01: 6 negativeWeek of 2024-10-01: 27 positiveWeek of 2024-10-01: 8 negativeWeek of 2024-11-01: 25 positiveWeek of 2024-11-01: 1 negativeWeek of 2024-12-01: 18 positiveWeek of 2024-12-01: 2 negativeWeek of 2025-01-01: 25 positiveWeek of 2025-01-01: 5 negativeWeek of 2025-02-01: 28 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 23 positiveWeek of 2025-03-01: 7 negativeWeek of 2025-04-01: 15 positiveWeek of 2025-04-01: 6 negativeWeek of 2025-05-01: 23 positiveWeek of 2025-05-01: 3 negativeWeek of 2025-06-01: 15 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 23 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-08-01: 20 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 17 positiveWeek of 2025-09-01: 2 negativeWeek of 2025-10-01: 13 positiveWeek of 2025-10-01: 4 negativeWeek of 2025-11-01: 12 positiveWeek of 2025-11-01: 5 negativeWeek of 2025-12-01: 15 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 12 positiveWeek of 2026-01-01: 4 negativeWeek of 2026-02-01: 15 positiveWeek of 2026-02-01: 3 negativeWeek of 2026-03-01: 21 positiveWeek of 2026-03-01: 5 negativeWeek of 2026-04-01: 8 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 13 positiveWeek of 2026-05-01: 3 negativeWeek of 2026-06-01: 14 positiveWeek of 2026-06-01: 2 negativeWeek of 2026-07-01: 15 positiveWeek of 2026-07-01: 4 negativeWeek of 2026-08-01: 7 positiveWeek of 2026-08-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

902026-09-15 12:00 — 5 players2026-09-16 20:00 — 0 players2026-09-18 04:00 — 1 players2026-09-19 11:00 — 0 players2026-09-20 19:00 — 6 players2026-09-22 02:00 — 0 players2026-09-23 10:00 — 1 players2026-09-24 17:00 — 1 players2026-09-26 01:00 — 1 players2026-09-27 08:00 — 2 players2026-09-28 16:00 — 6 players2026-09-29 23:00 — 2 players2026-10-01 07:00 — 1 players2026-10-02 14:00 — 4 players2026-10-03 22:00 — 3 players2026-10-05 06:00 — 2 players2026-10-06 14:00 — 4 players2026-10-07 21:00 — 2 players2026-10-09 05:00 — 0 players2026-10-10 12:00 — 3 players2026-10-11 20:00 — 7 players2026-10-13 03:00 — 3 players2026-10-14 11:00 — 1 players
Concurrent players, hourly average, last 30 days (census samples).
8473Feb 2017Aug 2026Feb 2017 — avg 580 · peak 1,520May 2017 — avg 474 · peak 1,044Aug 2017 — avg 344 · peak 579Nov 2017 — avg 298 · peak 674Feb 2018 — avg 400 · peak 868May 2018 — avg 455 · peak 884Aug 2018 — avg 352 · peak 752Nov 2018 — avg 258 · peak 727Feb 2019 — avg 250 · peak 681May 2019 — avg 209 · peak 549Aug 2019 — avg 170 · peak 312Nov 2019 — avg 144 · peak 353Feb 2020 — avg 130 · peak 374May 2020 — avg 217 · peak 669Aug 2020 — avg 113 · peak 219Nov 2020 — avg 170 · peak 423Feb 2021 — avg 155 · peak 361May 2021 — avg 136 · peak 351Aug 2021 — avg 129 · peak 284Nov 2021 — avg 100 · peak 233Feb 2022 — avg 103 · peak 220May 2022 — avg 48 · peak 124Aug 2022 — avg 48 · peak 90Nov 2022 — avg 41 · peak 112Feb 2023 — avg 47 · peak 104May 2023 — avg 38 · peak 83Aug 2023 — avg 31 · peak 69Nov 2023 — avg 27 · peak 66Feb 2024 — avg 31 · peak 75May 2024 — avg 23 · peak 58Aug 2024 — avg 23 · peak 49Nov 2024 — avg 18 · peak 51Feb 2025 — avg 16 · peak 38May 2025 — avg 9 · peak 26Aug 2025 — avg 5 · peak 15Nov 2025 — avg 4 · peak 13Feb 2026 — avg 4 · peak 16May 2026 — avg 4 · peak 13Aug 2026 — avg 4 · peak 18
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Completion

60+
achievements tracked
14.2%
earned "The Nine Lives"
1.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxMulti-playerPvPOnline PvPCross-Platform MultiplayerSteam AchievementsSteam Trading CardsIn-App PurchasesPartial Controller SupportIncludes level editorFamily Sharing

15 supported languages: English, Polish, Russian, French, German, Spanish - Spain, Portuguese - Portugal, Italian, Dutch, Ukrainian, Romanian, Turkish…

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)3,2822%85

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

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

2DWarCo-opIndieActionShooterViolentSurvivalPlatformerMultiplayer

Census log

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

Players also track

Breach & ClearGentleMoon 2Black SquadRICOWorld War 3Rebel Galaxy OutlawEARTH DEFENSE FORCE: IRON RAIN

Similarity via IGDB.

Official site ↗