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An open-ended programming puzzle game with a minimalist, abstract, Assembly-like programming language.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest ends
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.
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.
Lowest tracked price: €3.24 (Jul 7, 2026) · current best: €4.99.
100% positive reviews all-time.
Right now the cheapest offer for 1-DC is €4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for 1-DC is €3.24 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when 1-DC drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
