# All Questions

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### What is an Etienne Word™?

This puzzle is based off the What is a Word™ and What is a Phrase™ series started by JLee and their spin-off What is a Number™ series. If a word conforms to a certain rule, I call it an Etienne Word™....
45 views

### IBaNTsJTtStPMP! #2

IBaNTsJTtStPMP means "I'm Bad at Naming Things, so Just Try to Solve this Patterned Masyu Puzzle!". The original Masyu rules apply. Make a single loop with lines passing through the ...
38 views

### A progressive Riley

Okay. This is the first Riley I've written, and it gets progressively harder as you go along, so here goes. I wrote this, and then realized that I used a mispronunciation of the target, so I had to ...
50 views

### A pile of chips involving primes

Ann and Bob play alternately on a pile of chips. On each play, either 1, 2 or 3 chips can be removed except if the number of chips is a prime number. In that case either 1, 2, 3, 4 or 5 chips can be ...
102 views

### Grid puzzle solutions

I have a simple grid puzzle: Example: | X | Y | X | | Y | X | Y | | Y | X | Y | The move is defined as a row or a column move. So when you move one cell, ...
55 views

### A cryptic list of words

You find yourself trapped in a dark room. You say, "hello" and bright lights turn on, flooding the area. You see a piece of paper on the ground: ...
45 views

### Determined the missing items

The two distinct sets of numbers below exhibit a pattern from the same kind, similar,but at the same time somewhat contrasting and a bit different to each other,one set is complete, the task is to ...
59 views

### What's the answer to this?

I've been sent this yesterday with no info and I'm so confused. Can anyone tell me what the message is? Seh gdyla wdhjh, seh qhun alts bhn hqhunxyh plt axxbdyf gxu plt yhqhu gxryi lyi tx seh wrmmah ...
97 views

This is a Slitherlink puzzle, being played on the surface of a 3D object, a Rhombicosidodecahedron. If you are not familiar with Slitherlink puzzles, I don't suggest starting on this one. Rules in ...
84 views

### The conclusion of the test

If I'm real, you want me. If I'm not, I'm a lie. If I'm real, you'll eat me. If I'm not, I'm batter. You might eat me raw, though not healthy. You might eat me baked, still not healthy. ...
56 views

### Tuesday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The goal of Blocking Donimoes is ...
384 views

### Dedicated to our #1 Fan

People tend to think of me as being small. However I can be confused with an imaginary large being. It has been said a saint got me right between the eyes, perhaps, next to America. I ...
82 views

### A little bit of encryption

A little selfmade encryption riddle: Whenever I'm searching for a solution, I have this feeling, like standing on a single point. While I take a step forward, I have the feeling I'm falling two ...
75 views

### Masyu turned vanilla

Tried to make something clever, but it didn't work out so you're getting a vanilla masyu instead. Normal masyu rules apply.
829 views

### Chemistry Riddle

Here is a riddle for all you science nerds out there! Each clue will give you a word or chemical. Tell me how these link together. Clue 1: Work out the chemical and take its atomic symbol part 1: ...
112 views

### Four coins on my desk

I have four coins, all of which are United States currency, on my desk. Some of these coins are face up, and the rest are face down. I know the following facts about the four coins: 1) Each of the ...
143 views

### Underworld Royalties

1. Mr. Edison's Travel Diaries From Liverpool, James Edison traveled to Valencia. After watching the scheduled match, he then traveled to Italia and then Amsterdam where he promised to return in ...
199 views

### How do you feel?

Someone's spilled coffee On your white shirt. The report you spent Four hours on, Ruined in the rain. And someone's decided That it'd be funny if you found, Dragon dung in your in-...
401 views

### Monday's Blocking Donimoes Problem

I've designed a set of dominoes puzzles that I call Donimoes. You slide the dominoes like the cars in Nob Yoshigahara's Rush Hour puzzle, always along their long axis. The Blocking Puzzle's Goal The ...
730 views

### As the Ferris wheel turns

It's a lovely evening in Letterland and all the little letter couples have gone down to the seaport promenade to stroll about and ride the Ferris wheel. As the Ferris wheel turns, those on the ...
150 views

### Next term of the series

Find the next term of the series $79,95,25,39,99,$____ $(1)$ $117$ $(2)$ $81$ $(3)$ $243$ Source: IBPS PO mains exam in India
112 views

### How to solve this coding decoding puzzle?

If in a certain code language CMWAX is coded as 51525525. Then what is the code for CIPKZ? Any help will be highly appreciated. Thank you very much.
1k views

### Stella and the president's secret notes

Jason Trump, president of the Untitled Statues Association, has left a notebook containing presumably important information lying around on his desk. Stella, his nosy assistant, takes a look only to ...
145 views

### Void of life- what is this

I am devoid of life. I eat at your warmth. I take your comfort. I leave nothing. Come to the plain where I lurk, and you will be incased in cold. I am infinite yet no one knows what I am, and you'll ...
103 views

### What am I? (ft. cool poems)

Without me, There would be no vowel. Though consonants would exist, The alphabet thrown in the bowel. But, now, another problem occurs, For bowels exist not, When, Death, I am yours. ...
249 views

### Is it simple Math or something else?

Grandpa with his mischievous smile said: "If zero belongs to One And two belongs to Four Twenty seven belongs to Seven Then what belongs to Three?" Hint When I could not guess, I ...
155 views

### Find the PSE user name

Hidden in the ciphertext below is a user name from puzzling.stack.exchange. Who is it? The intended answer uses all of the ciphertext, not just a snippet that happens to match somebody in some way. <...
609 views

### A bicolour masyu

This is a bicolour masyu puzzle. Instead of making one continuous loop, the goal is to make two separate loops, one blue and one red. The coloured circles must be used for the loop of the same colour, ...
88 views

### What is the missing number in the box

I found some online number puzzle as below: My guess was 436 (go up by 118 again, as the left & right go up by 1) but apparently it was incorrect. I cannot see any other patterns, any ideas?
55 views

### The Switchup-2.0

This question from last year (which in itself was anticipated on CSE two years prior) has a complete switchup of all non-pawn pieces on the board. The idea is to optimize the amount of moves needed to ...
87 views

### A word challenge/competition! (ft. Categorically Deceiving words) [on hold]

Here are the rules: A Categorically Deceiving word is one whose letters can be mixed around to form a new word which belongs to the same category as the original (e.g. red and green belong to the ...
202 views

### Black to play and win (Teeko)

\def\S#1{\phantom{\Space{18px}{22px}{0px}}\llap{#1}} \begin{array}{|c|c|c|c|c|}\hline \S{}&\S{}&\S{}&\S{}&\S{}\\\hline \S{}&&&&\\\hline \S{}&&X&O&X\\\...
140 views

### Hiker's Cabin Mystery | Pt. X

Before we get into it, I'd like to take a moment to congratulate everyone on us reaching part ten, but especially you because you've been putting up with this nonsense and travelling all over the ...
221 views

### Code @9?]O=u1,7@9@JdA8PLh Clue: A Person who owns or manages something [on hold]

Code @9?]O=u1,7@9@JdA8PLh English Word Clue: A Person who owns or manages Something. I saw this in a game
870 views

### Somebody hacked my clock

Harvey the hacker hacked my clock. At first, the results made no sense, but I eventually figured out his logic. ...
176 views

### Masyu-making game

Two players are playing a game on a $4\times4$ board. The players take turns adding either a white circle or a black circle into any empty square, so that the board makes a solvable masyu puzzle (with ...
79 views

### The revenge of 3D light bulbs

This is a three-dimensional Akari puzzle (also known as Light Up). The five squares represent the layers of a $5\times5\times5$ cube, top to bottom. The objective is to add light bulbs into any number ...
127 views

### Which family is it?

On the 20th of July '19 it's a large family of 175 members that keeps growing. Youngest is only 2 months. Only four of them are more than 10 years old. What family is it?
91 views

### A weird cipher inside video game

Recently a game named "Ode to a Moon" released.... during the gameplay there are several cipher sentences flashing on the screen. I was trying to decode them as a cryptography amateur(noob)，but still ...
798 views

### Inside Out and Back to Front

Here's a quickie: I own a shirt that has a logo on the chest on my left side. This morning I accidentally put it on inside out and back to front. Where did the logo go? Please explain your answer ...
197 views

### A picture is worth a million memories!

What does the above picture refer to? Hint:
128 views

### Saturdays' Sequences

0.469281 0.267974 0.333333 0.333333 0.666667 0.499346 0.333333 2 2 1 1 2 2 1 3 2 F 0 0 0 0 U P F O X F E 0 0 1 1 2 1 1 Here are 5 intertwined sequences. I will add one sequence each saturday ...
73 views

### And yet you'll reunite

Your crush texted you: Met me there, tomorrow, 21th of July. Prove all your romance is true. Prove what you learnt in maths, computer science, litterature... and during all those years of studying ...
72 views

### Complete the series on this set of numbers [on hold]

Here is one that I can't seem to solve: Complete the following series: 529, 531, 542, 544, 561, 558
170 views

### Finger sequence – find the continuation

Pick the correct continuation for the sequence. Options: Hint:
95 views

### What is a good/standard list of “simple English words” suitable for puzzling?

Suppose I'm trying to computer-solve a puzzle, or computer-create a puzzle, where "every word in the whatever is a common English word." For example, intuitively, ...
185 views

### 5 Precommitting Pirates Puzzle

Another variant of the Pirate Puzzle, inspired by this variant and a bit more complex. Scenario: Five pirates of different ages obtain 100 gold pieces in total, and want to decide how to split them. ...
1k views

### What is a Romeo Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles.Template taken from Rubio. Finally made a formal What is a Word puzzle after the ...