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SIC-1 header art

SIC-1

SIC-1 is a single-instruction programming game. Neglect your personal life in pursuit of promotions and vague assurances of job security! Optimize your programs to rise to the top of the leaderboards! SIC Systems thanks you for your hard work! Now please return to your desk.

Steam Page
Release
December 2, 2022
3 years and 243 days ago
Steam Reviews
Very Positive256 reviews94.5%

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Game contextLatest: IGF Team
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Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 12, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 12, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 12, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is SIC-1 and Anti-Pattern Games funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for SIC-1 and Anti-Pattern Games?Creative controlWho appears to retain creative control of the game.
Updated: Jul 12, 2026Release statusWhether and how the game has been released.

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About the Game

SIC-1 is a programming game where the computer only understands a single instruction.

  • Learn an esoteric assembly language.
  • Implement programs to unlock more impressive job titles.
  • Optimize your programs to climb the leaderboards.
  • Sacrifice your personal life for the good of the company!

It's an assembly language zachlike for everyone! New programmers will appreciate how few unique instructions there are to learn (just one!), and experienced programmers will appreciate how poorly suited this one instruction is for writing straight-forward programs.

If you're ready for a challenge, respond to this job posting from SIC Systems:

SIC Systems is hiring engineers to produce highly efficient programs for our flagship product: the Single Instruction Computer Mark 1 (SIC-1).

The SIC-1 represents a transformational change in computing, reducing complexity to the point that the processor only executes a single instruction: subtract and branch if less than or equal to zero ("subleq").

Enter the brave new world of single-instruction computing and invent new ways of implementing programs that would be trivial on a conventional computer. Don't adjust the technology to match how you think, adjust your thinking to match how the SIC-1 operates!