The finale of a three part series:
Part 1 - The disappearance of Beastly Gerbil
Part 2 - The entrapment of Beastly Gerbil
I have a lot to think about... firstly I disappeared for two years, and now ...
This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles.
If a word conforms to a special rule, I call it an ?????? Word™.
Use the ...
Find part 1 (without triangular mirrors) here.
Here is a room composed of $10 \times 10$ squared cells. Each cell can be empty (𝑋) or contain one of the following:
a double-faced mirror ( / or \ );
My flatmate always forgets his key, so now we have installed a small locker outside the room where a spare is located. So that my flatmates doesn't forget the code we made this small riddle for him, ...
Four checkers-playing fanatics eagerly
pair up for two simultaneous games of checkers
but somehow find themselves with just one board.
They do have enough pieces for two games, so it is time to act.
A lock's passcode is composed of three digits. Five incorrect passcodes are given below, each with a hint to the correct passcode.
Two of the digits are correct but are in the wrong places.
Rows A through P, below, categorize the spellings of
one-thousand-four-hundred-seventy-four numbers that
have a straightforward numerical property to be deduced.
Spelled numbers of each row share a ...
...it has a very short life
But goes calmly and smoothly, little-to-no strife.
And even as it passes it becomes something new,
Changing shape constantly 'til there's nothing to view.
Depending where ...
I am stuck solving this "Trees and Tents" puzzle. How to solve the rest of the puzzle?
For does who don't know the puzzle, these are the "Trees and Tents" rules:
A tent must be placed next to every ...
Triangle ABE is cut from square ABCD (centre E) and placed at one side. Restore the square by a single action different from the exact reversal of this transformation. A solution is to cut triangle ...
What could be the best approach to divide NxN grid into N groups having N tile each? What could be the well-known algorithm for this? I could not find a direct answer on the net. Max grid size will be ...
You hear a knock on the door downstairs while you're sleeping.
You creep down the stairs by the light of your phone, only to see a shadow exiting through the window.
By the moonlight, you see a piece ...
5 Cops in much of Europe
8 Online rule
9 Body named for a national park
14 1940 song, sort of
16 Partner killer
17 Value of a question
19 A strike
In this position, White’s sole aim is to castle. But in order to do so, they must promote their pawn to a queen to force a Black bishop move. The 10 black kings represent where Black’s king can safely ...
The link provides an online puzzle game of $16$ tiles in the form of a $4 \times 4$ matrix of which some entries are in the form of vertical tiles ...
A previous question asked whether the map of the USA needs four colors.
Now, what about Canada? If you want to assign a colour to each province and territory, so that no two neighbours have the same ...