The Game Census
TIS-100 cover art

TIS-100

Zachtronics · 2015-07-20

SteamGOG

IndieSimulation

Modes: Single player · Perspectives: Text

Releases: Jul 20, 2015 (Linux), Jul 20, 2015 (PC (Microsoft Windows)), Jul 20, 2015 (Mac)

TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!

TIS-100 is an Indie, Simulation game released in 2015, priced at $6.99, with an estimated 200,000 .. 500,000 owners and an Overwhelmingly Positive review sentiment (97% of 4109 reviews).

9
playing now
97%
positive of 4.1k reviews
Overwhelmingly Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
70/100
IGDB user rating (15 ratings)
platinum
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$6.99
steam price (US)

9 players in-game as of 2026-10-15 04:00 UTC (census sample)

TIS-100 is a programming/puzzle video game developed by Zachtronics Industries. The game has the player develop mock assembly language code to perform certain tasks on a fictional, virtualized 1970s computer that has been corrupted. The game was released for Windows, OS X, and Linux personal computers in July 2015. A mobile port was released for iPadOS in January 2016.

Trailer

TIS-100 trailer thumbnail

TIS-100 Trailer

≈1,000,000 YouTube results for this game's trailer search

Health check

Quietly active
  • · 9 players in-game at the last census sample.
  • · 117 reviews in the last 8 weeks (~15/week).
  • · Review velocity down 7% vs the prior 8 weeks.
  • · Top 4% of 50,052 Indie games in the census by review count.
Estimated sales: 103k–247k copies

Review-multiple estimate from 4,109 total reviews — how this is computed.

Current store prices

GOG$6.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $1.74 at Steam (2018-10-10) · bundled 4×via IsThereAnyDeal

12-month high $6.99 · on sale 41 of 76 observed days · $5.25 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
949420182026Week of 2018-01-01: 24 positiveWeek of 2018-01-01: 1 negativeWeek of 2018-02-01: 18 positiveWeek of 2018-03-01: 14 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 7 positiveWeek of 2018-05-01: 11 positiveWeek of 2018-06-01: 13 positiveWeek of 2018-06-01: 2 negativeWeek of 2018-07-01: 17 positiveWeek of 2018-08-01: 14 positiveWeek of 2018-09-01: 10 positiveWeek of 2018-10-01: 33 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-11-01: 79 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 7 positiveWeek of 2019-01-01: 16 positiveWeek of 2019-02-01: 12 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 7 positiveWeek of 2019-04-01: 4 positiveWeek of 2019-04-01: 1 negativeWeek of 2019-05-01: 10 positiveWeek of 2019-06-01: 94 positiveWeek of 2019-06-01: 3 negativeWeek of 2019-07-01: 61 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-08-01: 9 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 15 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-10-01: 13 positiveWeek of 2019-10-01: 1 negativeWeek of 2019-11-01: 25 positiveWeek of 2019-12-01: 29 positiveWeek of 2019-12-01: 2 negativeWeek of 2020-01-01: 15 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 19 positiveWeek of 2020-03-01: 29 positiveWeek of 2020-04-01: 18 positiveWeek of 2020-04-01: 2 negativeWeek of 2020-05-01: 16 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 14 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 26 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 15 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 7 positiveWeek of 2020-10-01: 16 positiveWeek of 2020-11-01: 29 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 20 positiveWeek of 2021-01-01: 15 positiveWeek of 2021-02-01: 14 positiveWeek of 2021-03-01: 15 positiveWeek of 2021-04-01: 20 positiveWeek of 2021-05-01: 13 positiveWeek of 2021-06-01: 14 positiveWeek of 2021-07-01: 19 positiveWeek of 2021-08-01: 15 positiveWeek of 2021-09-01: 10 positiveWeek of 2021-10-01: 17 positiveWeek of 2021-10-01: 1 negativeWeek of 2021-11-01: 19 positiveWeek of 2021-12-01: 28 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 21 positiveWeek of 2022-02-01: 18 positiveWeek of 2022-03-01: 13 positiveWeek of 2022-04-01: 12 positiveWeek of 2022-05-01: 15 positiveWeek of 2022-06-01: 10 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 17 positiveWeek of 2022-08-01: 8 positiveWeek of 2022-08-01: 1 negativeWeek of 2022-09-01: 15 positiveWeek of 2022-10-01: 10 positiveWeek of 2022-11-01: 15 positiveWeek of 2022-12-01: 9 positiveWeek of 2023-01-01: 22 positiveWeek of 2023-02-01: 8 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 12 positiveWeek of 2023-04-01: 18 positiveWeek of 2023-04-01: 1 negativeWeek of 2023-05-01: 11 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-06-01: 20 positiveWeek of 2023-07-01: 11 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-08-01: 11 positiveWeek of 2023-09-01: 8 positiveWeek of 2023-10-01: 10 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 9 positiveWeek of 2023-12-01: 17 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 18 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 9 positiveWeek of 2024-03-01: 13 positiveWeek of 2024-03-01: 2 negativeWeek of 2024-04-01: 10 positiveWeek of 2024-05-01: 17 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-06-01: 9 positiveWeek of 2024-07-01: 11 positiveWeek of 2024-08-01: 5 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 10 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 12 positiveWeek of 2024-11-01: 5 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 17 positiveWeek of 2025-01-01: 12 positiveWeek of 2025-02-01: 8 positiveWeek of 2025-03-01: 11 positiveWeek of 2025-04-01: 7 positiveWeek of 2025-05-01: 13 positiveWeek of 2025-06-01: 16 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 38 positiveWeek of 2025-07-01: 2 negativeWeek of 2025-08-01: 8 positiveWeek of 2025-09-01: 7 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 17 positiveWeek of 2025-10-01: 1 negativeWeek of 2025-11-01: 15 positiveWeek of 2025-12-01: 19 positiveWeek of 2025-12-01: 2 negativeWeek of 2026-01-01: 20 positiveWeek of 2026-02-01: 12 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 12 positiveWeek of 2026-03-01: 1 negativeWeek of 2026-04-01: 12 positiveWeek of 2026-05-01: 10 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 14 positiveWeek of 2026-07-01: 12 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 10 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

4092026-09-15 14:00 — 30 players2026-09-16 22:00 — 23 players2026-09-18 05:00 — 18 players2026-09-19 13:00 — 23 players2026-09-20 20:00 — 34 players2026-09-22 04:00 — 24 players2026-09-23 12:00 — 20 players2026-09-24 19:00 — 19 players2026-09-26 03:00 — 22 players2026-09-27 10:00 — 21 players2026-09-28 18:00 — 24 players2026-09-30 01:00 — 25 players2026-10-01 09:00 — 21 players2026-10-02 16:00 — 25 players2026-10-04 00:00 — 27 players2026-10-05 08:00 — 17 players2026-10-06 15:00 — 17 players2026-10-07 23:00 — 14 players2026-10-09 06:00 — 10 players2026-10-10 14:00 — 21 players2026-10-11 22:00 — 11 players2026-10-13 05:00 — 11 players2026-10-14 13:00 — 12 players2026-10-15 04:00 — 9 players
Concurrent players, hourly average, last 30 days (census samples).
20514Jun 2015Aug 2026Jun 2015 — avg 205 · peak 468Oct 2015 — avg 37 · peak 71Feb 2016 — avg 57 · peak 109Jun 2016 — avg 46 · peak 117Oct 2016 — avg 58 · peak 151Feb 2017 — avg 41 · peak 81Jun 2017 — avg 40 · peak 128Oct 2017 — avg 34 · peak 112Feb 2018 — avg 29 · peak 76Jun 2018 — avg 33 · peak 72Oct 2018 — avg 61 · peak 321Feb 2019 — avg 24 · peak 53Jun 2019 — avg 48 · peak 268Oct 2019 — avg 20 · peak 37Feb 2020 — avg 20 · peak 42Jun 2020 — avg 23 · peak 61Oct 2020 — avg 20 · peak 40Feb 2021 — avg 25 · peak 48Jun 2021 — avg 19 · peak 39Oct 2021 — avg 21 · peak 50Feb 2022 — avg 19 · peak 36Jun 2022 — avg 19 · peak 50Oct 2022 — avg 18 · peak 40Feb 2023 — avg 16 · peak 36Jun 2023 — avg 16 · peak 32Oct 2023 — avg 19 · peak 50Feb 2024 — avg 16 · peak 30Jun 2024 — avg 18 · peak 43Oct 2024 — avg 21 · peak 54Feb 2025 — avg 18 · peak 42Jun 2025 — avg 21 · peak 50Oct 2025 — avg 19 · peak 42Feb 2026 — avg 23 · peak 46Jun 2026 — avg 19 · peak 39Aug 2026 — avg 17 · peak 30
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$6.99$1.742015-06-012026-10-152015-06-01 — best price $6.292015-11-25 — best price $3.492016-05-23 — best price $6.992016-09-15 — best price $6.992017-02-09 — best price $6.992017-09-18 — best price $3.492018-01-25 — best price $6.992018-07-05 — best price $6.992018-11-19 — best price $3.492019-02-04 — best price $3.492019-06-04 — best price $1.752019-09-24 — best price $3.492020-01-11 — best price $3.492020-03-25 — best price $6.292020-08-14 — best price $3.492020-11-28 — best price $3.492021-03-22 — best price $3.492021-08-30 — best price $3.492021-12-22 — best price $3.492022-05-03 — best price $6.292022-09-13 — best price $3.492022-11-29 — best price $6.992023-02-23 — best price $3.492023-05-23 — best price $3.492023-08-10 — best price $6.992023-11-28 — best price $6.992024-02-22 — best price $6.992024-05-19 — best price $6.992024-07-30 — best price $3.492024-10-16 — best price $3.492024-12-03 — best price $6.992025-02-05 — best price $6.992025-05-14 — best price $3.492025-07-31 — best price $6.992025-10-28 — best price $3.492026-03-26 — best price $6.992026-09-01 — best price $3.492026-09-16 — best price $6.992026-10-01 — best price $3.492026-10-15 — best price $6.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

109252026-05-28 — 60 pageviews2026-06-01 — 62 pageviews2026-06-05 — 66 pageviews2026-06-09 — 55 pageviews2026-06-13 — 29 pageviews2026-06-17 — 45 pageviews2026-06-21 — 37 pageviews2026-06-25 — 58 pageviews2026-06-29 — 60 pageviews2026-07-03 — 69 pageviews2026-07-07 — 54 pageviews2026-07-11 — 42 pageviews2026-07-15 — 35 pageviews2026-07-19 — 53 pageviews2026-07-23 — 45 pageviews2026-07-27 — 52 pageviews2026-07-31 — 38 pageviews2026-08-04 — 38 pageviews2026-08-08 — 35 pageviews2026-08-12 — 53 pageviews2026-08-16 — 38 pageviews2026-08-20 — 40 pageviews2026-08-24 — 43 pageviews2026-08-28 — 58 pageviews2026-09-01 — 30 pageviews2026-09-05 — 37 pageviews2026-09-09 — 25 pageviews2026-09-13 — 94 pageviews2026-09-17 — 56 pageviews2026-09-21 — 37 pageviews2026-09-25 — 57 pageviews2026-09-29 — 55 pageviews2026-10-03 — 58 pageviews2026-10-07 — 65 pageviews2026-10-11 — 35 pageviews2026-10-13 — 33 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

10
achievements tracked
90.5%
earned "RTFM"
7.1%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsSteam CloudSteam LeaderboardsIncludes level editorFamily Sharing

1 supported languages: English

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)16,4253%10

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

IndieLogicCodingPuzzleHackingDifficultEducationAutomationSimulationProgramming

Census log

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

Players also track

Imagine EarthSupreme Ruler UltimateToby: The Secret MineLife is Feudal: Forest VillageAnother Brick in The MallWeapon Shop FantasyStartup CompanyDude Simulator

Similarity via IGDB.

Official site ↗Wikipedia ↗