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1-DC

Game overview

1-DC

89o · Oct 31, 2025

An open-ended programming puzzle game with a minimalist, abstract, Assembly-like programming language.

Simulation
Last tracked players
0
All-time peak
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24-hour change
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Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description

TO BE CLEAR: YOU NEED TO BE SOMEWHAT FAMILIAR WITH HOW PROGRAMMING WORKS IN ORDER TO ENJOY THIS GAME.

1-DC is an open-ended programming puzzle game (a "zach-like"), featuring a fictional low-level programming language. There are only three base commands; the rest depends on the commands' parameters (somewhat like SIC-1). This challenges the player to think in abstract and minimal terms.

How can you calculate a sine wave with only two variables? That's up to you to figure out.

Features:

  • 32 base levels;

  • 16 bonus levels, featuring negative numbers and a third variable slot;

  • A commands par in each level that you can optimize for;

  • 12 achievements, ranging from tedious to confusing;

  • A simple level editor, with more variable slots and a greater range of values

  • Voicelogs left by your boss, to inform you about his search for your missing wife.

Media gallery 7 screenshots · 0 videos
1-DC game capsule image

Screenshots

1-DC screenshot 1
1-DC screenshot 2
1-DC screenshot 3
1-DC screenshot 4
1-DC screenshot 5
1-DC screenshot 6
1-DC screenshot 7

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows · Linux

Windows

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS *: Windows 8 64-bit
  • Processor: AMD A4-1250 APU or Intel Pentium 957
  • Memory: 4 GB RAM
  • Graphics: AMD Radeon HD 8210 Graphics or Intel HD Graphics
  • DirectX: Version 11
  • Storage: 100 MB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 64-bit
  • Processor: Intel Core i7 720QM or AMD Phenom 9550
  • Memory: 6 GB RAM
  • Graphics: ATI Radeon HD 4830 or Intel HD 520
  • DirectX: Version 12
  • Storage: 150 MB available space

Linux

Minimum

Minimum:
  • OS: Ubuntu 22 LTS 64-bit
  • Processor: AMD A4-1250 APU or Intel Pentium 957
  • Memory: 4 GB RAM
  • Graphics: AMD Radeon HD 8210 Graphics or Intel HD Graphics
  • Storage: 100 MB available space

Recommended

Recommended:
  • OS: Ubuntu 24 LTS 64-bit
  • Processor: Intel Core i7 720QM or AMD Phenom 9550
  • Memory: 6 GB RAM
  • Graphics: ATI Radeon HD 4830 or Intel HD 520
  • Storage: 150 MB available space
Game details Languages, features & support
Publisher
89o
Brazilian rating
12
Steam Germany rating
16
Content warning
In the optional voicelogs, there are references to domestic violence, torture and suicide, and textual descriptions of gruesome violence.
Achievements
12
Features
Single-player, Steam Achievements, Color Alternatives, Adjustable Difficulty, Mouse Only Option, Playable without Timed Input, Save Anytime, Touch Only Option, Steam Cloud, Includes level editor, Family Sharing
Languages
English*, Polish
*languages with full audio support
More analysis Activity patterns, updates & developer tools

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Game Insights

Buy Verdict

Wait — $4.99.

Wait for upcoming sale in ~13 days for potentially better pricing.

▬ ~13 days until next sale

Value Score

Great Value — 100th percentile.

Price-to-player ratio ranks in the 100th percentile.

▲ Market pricing tier

Genre Benchmarks

Value Ratio Top 0%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is 1-DC worth buying right now?
Wait — $4.99. Wait for upcoming sale in ~13 days for potentially better pricing.
When does 1-DC go on sale?
Wait for upcoming sale in ~13 days for potentially better pricing.
Is 1-DC free to play?
1-DC costs $4.99 on Steam.
What genre is 1-DC?
1-DC is a Simulation game.
Who developed 1-DC?
1-DC was developed by 89o and published by 89o.
What platforms does 1-DC support?
Available on Steam for Windows, Linux.