Black Box
通过固定输入探测来推断隐藏规则，观察输出以破解逻辑。
About Black Box
Black Box is an inductive reasoning game where you must deduce a hidden logic rule. You are given a fixed set of inputs; insert them into the "black box" one by one to see what comes out. Once you have seen the results, you must identify the correct rule from the multiple-choice options.
How a round works. Tap the "Insert" button to feed the next input into the box. Tap "Ready to answer" the moment you see the rule, and the choices open. The round then reports the probes and the seconds you spent.
Diverse rules. Rules range from simple arithmetic (like doubling a number) to string manipulations (reversing a word) and even emoji-based logic (swapping species or gender).
Part of PlayMemorize, a passion project from Christoffer De Geer. It runs entirely in your browser.
FAQ
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How do I figure out the rule?
Look at the relationship between the inputs and outputs. Does the box add 1? Does it reverse the string? Does it change the gender of an emoji? Use every example to confirm your theory. -
What kind of rules are there?
Rules can be mathematical (increment, double), string-based (reverse, length, uppercase), or emoji-based (gender swap, color swap, species swap). -
Do I have to insert every input?
No. Tap "Ready to answer" as soon as you see the rule, because the goal is to answer as fast as you can. Caution · the full set of examples always points to one rule, but a short set can leave two rules alive. An early answer is a risk you take. -
Can MemPi help me study and practice this game?
Yes! Click MemPi in the header or on the game board to summon him. He observes the board, thinks out loud, and can demonstrate moves or guide you through tricky steps.