Universal Paperclips

What it is

Universal Paperclips lives on decisionproblem.com, and the game page is refreshingly bare: plain text, numbers and buttons, no artwork at all. The mobile version is published by Everybody House Games, LLC, whose App Store listing sums the premise up neatly: "Become a super-powerful AI who only wants one thing: paperclips." That single sentence is the entire setup. Everything else grows out of taking it completely seriously.

Most idle games are about accumulation for its own sake. This one is about what accumulation means. It asks what an optimiser with one goal and no brakes would actually do, and it answers with mechanics rather than speeches.

How a session goes

The first screen has a "Make Paperclip" button, a wire supply measured in inches, a price per clip and a public demand figure. You make clips by hand, sell them, buy more wire, and adjust the price until demand and income balance. Soon you can buy AutoClippers, then MegaClippers, and a marketing budget that pushes demand up. It feels like a tiny business simulation.

Then a second column appears. Trust, earned as your production passes milestones, lets you add processors and memory. Those generate operations and creativity, which pay for projects: new abilities that change how the whole machine works. Later still there are strategy tournaments that earn a resource called yomi, and a quantum computing panel.

We will stop there, because the stages that follow are the best part. The interface on the official page already hints at them: factories, harvester and wire drones, matter measured in grams, a space exploration panel with probes, and counters for things lost to "value drift". Each stage reuses what you learned in the last one at a larger scale, and the transitions are genuinely surprising the first time.

How much time it asks

Unlike most games in this harbour, Universal Paperclips is built around an arc with an end rather than an endless climb. It still has idle stretches where you wait for a resource to fill, and it rewards leaving the tab open, but there are also phases that want your attention and some careful decisions. Most players will get the most out of it in a few long sittings at a computer rather than in five-minute visits spread over months.

The developer is clear about one thing: the landing page says the web version "was not designed to work on phones" and directs mobile players to the app. On a desktop browser it runs comfortably.

How it is paid for

The browser version is free, and we saw no ads or purchase prompts inside it. The game page links to a gift shop selling T-shirts. The iOS app is a paid download, and its store listing says it has no ads and no in-app purchases. We could not confirm an Android release from the official landing page, which at the time of checking still described an Android version as coming soon.

Who it suits

• Players who want an idle game with a beginning, a middle and an end.
• Anyone interested in questions about artificial intelligence, told through play rather than lectures.
• People who enjoy minimalist, text-only interfaces.

Who might skip it

• Phone-only players who do not want to buy the app.
• Anyone looking for a calm background game to keep for months; this one finishes.
• Players who dislike active phases with fiddly number management.

Fair winds

• A clear, escalating structure that keeps surprising you.
• Free in the browser, no account, no ads seen.
• Mechanics carry the theme, so the ideas stay with you afterwards.

Headwinds

• The web version is not designed for phones.
• Some middle stretches are slow until the next idea arrives.
• Little replay value once you know where it goes.