PCGame

TIS-100

Programming puzzles about routing data through a computer's limited nodes

Zachtronics · Released Jul 20, 2015

IndieSimulation

Reviews
Overwhelmingly Positive
97% of 3,545
Recent reviews
Not enough recent
Players
12
daily peak, Nov 7, 2026
Steam Deck
Unsupported
Last update on Steam
2 years ago
Apr 23, 2024
Minimum PC
2 GB RAM · 0.1 GB disk
Full requirements

What is TIS-100?

A programming puzzle game set inside a fictional computer. You write assembly-language instructions for interconnected processing nodes to repair corrupted code, solve puzzles, and investigate who built the machine. Sandbox areas let you create your own challenges.

For you if...

  • +you enjoy solving puzzles by writing low-level code
  • +you like optimizing programs under tight instruction limits
  • +you want difficult puzzles with room to refine solutions

Not for you if...

  • −you prefer puzzles that do not require writing code
  • −you want to learn without consulting a reference manual
  • −you dislike steep difficulty and tight programming constraints

What players say

97% of 3,545 reviews are positive

Players praise the challenge of solving and optimizing tightly constrained programs. Others find the puzzles obtuse or too difficult, and some dislike having to consult the manual.

Players over time

▼ -47% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 25 players on Sep 26, 2026.

Show the data
DayPlayers
Nov 7, 202612
Nov 6, 20268
Nov 5, 20260
Nov 4, 202611
Nov 3, 202614
Nov 2, 202611
Nov 1, 20268
Oct 31, 202612
Oct 30, 20267
Oct 29, 202612
Oct 28, 202614
Oct 27, 202613
Oct 26, 202611
Oct 25, 202612
Oct 24, 202612
Oct 23, 202616
Oct 22, 202613
Oct 21, 202616
Oct 20, 202610
Oct 19, 202617
Oct 18, 202611
Oct 17, 202614
Oct 16, 20265
Oct 15, 202611
Oct 14, 202614
Oct 13, 202613
Oct 12, 202615
Oct 11, 202613
Oct 10, 202616
Oct 9, 20266
Oct 8, 202620
Oct 7, 202616
Oct 6, 202621
Oct 5, 202621
Oct 4, 202621
Oct 3, 202622
Oct 2, 202625
Oct 1, 202621
Sep 30, 202625
Sep 29, 202611
Sep 28, 202618
Sep 27, 202620
Sep 26, 202625
Sep 25, 202620
Sep 24, 202613
Sep 23, 202621
Sep 23, 202620
Sep 22, 202624

Screenshots and trailer

TIS-100 screenshot 1

TIS-100 system requirements

Minimum: 2 GB RAM, 0.1 GB of disk space.

As published by the developer.

Can my PC run TIS-100?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS
Windows XP / Vista / 7 / 8 / 10
Processor
2.0 GHz
Memory
2 GB RAM
Storage
100 MB available space

Does TIS-100 have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does TIS-100 run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

  • Not supported on SteamOS

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows, macOS, Linux
Achievements
10
Steam features
Cloud saves, Family Sharing
Languages
Text only: English.

Does TIS-100 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam

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