20
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Match the blocks
This is pretty fun indeed! :)
Don't forget to read @trolley813's concise proof (and upvote it :P)
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We're just hanging out, man
I believe your partner is
the words are
and the significance of your games is that
The five words so far are
The sixth must have been
and the reason you have not heard from him is that
and ...
- 121k
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16
votes
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15
votes
25 square puzzle
Here is another simpler proof
This generalises to all odd n.
For even n, however,
...
- 55k
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Reconstruct the lost labyrinth of Knossos
Final maze!
Logic:
Reconstruction
Venturing into the maze
Getting lost
Making connections
Middle man
Cracking the code
Finishing the maze!
And from here, it's fairly simple to trace out the ...
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14
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Match the blocks
I found a different way to solve it.
Note that this doesn't disprove @trolley813's proof - it only shows one part of the proof is incorrect:
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Match the blocks
Well, not strictly an answer (since I've found exactly the same as one already posted), but rather a proof that other ways are not possible:
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They are all linked!
First, the solved
Blue letters
Red letters
Green letters
Dotted regions
What do these seven things have in common?
- 11.9k
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votes
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9
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$\verb|Eight Circles|$
Maybe I am misunderstanding the puzzle, but it seemed straightforward to
I literally plopped down circles as random as I could (but aligned to a grid, for ease of working) in a convenient drawing ...
- 466
9
votes
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Pigpen Tic-Tac-Toe
The game:
So the winner is...
First lets deduce what the words must be:
And now we can fill in the grid, turn by turn:
And from here, calculating the scores will find that
- 62.8k
9
votes
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A game of some consequence
Let's call the players S(tiv), T, U, V, W, X, Y, and Z, in the order that their answers are on Stiv's sheet.
Below are the lists that each player ended up with at the end of the night, in clockwise ...
- 246
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votes
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Can you draw a path visiting the numbers in order without crossing itself?
... seems to work.
(Brief) explanation of how I found it:
Nice puzzle!
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votes
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Paper, pencil and a bunch of bars
This game is
So in this case
If we take "rational" to mean that when either player had a winning move they took it then
Now
So
- 121k
8
votes
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8
votes
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The Wee County begriddled puzzle
The missing letters are T, H, U, N, and Y.
Determining the first letter:
Determining a second letter:
And a third:
And a... problem:
- 150k
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Man of War: A Numbers Problem
The most likely solution:
Here
There are some other somewhat plausible possibilities with different number of machines:
- 2,140
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votes
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7
votes
Accepted
7
votes
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Toroidal tic-tac-toe
The first player
On the torus, every pair of points extends to a line of three. And up to symmetry, the first move can be assumed to be the center, and the second move is then either an edge or ...
- 666
7
votes
6
votes
25 square puzzle
The task is
Number the grid 1 to 25, from left to right top to bottom. Also, color the grid like a checkerboard so cell 1 is black. Pressing a white cell only changes black cells, and vice versa.
<...
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votes
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Tic Tac Toe Recursive
Alice wins.
She starts by playing in the center square of the center board (which we'll call board C). Bob sends Alice over to another board, and she plays in the center of that one. Eventually, Bob ...
- 150k
6
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The Hand of God
I can find
where the paths are (describing the ball's movement in NSEW; Maradona's moves are implied between direction changes, where he has to move without moving the ball)
I observed that
Also
- 17k
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Noughts and Crosses and... there's more?
First, as clued in the hint,
Looking at the grids in the first row, we note that
Interpreting
Looking at the bottom row of grids
- 19.4k
5
votes
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Domino Tiling Game
For $n = 1$, it's trivial that first player can't win since he can't make any move.
Also for $n = 2$, both players can make the moves so the board will be full (by placing two $1 \times 2$ tiles), ...
- 34.3k
5
votes
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What Goes Round (Begriddled logic puzzle)
@AxiomaticSystem has already found the correct solution. However, as this question is tagged as logical-deduction I thought it merited a second answer which demonstrates that this solution is entirely ...
- 149k
5
votes
Decision Paralysis
The one with the winning strategy is quite surprisingly
First, let us note that
First options
Case 1
Case 2
Case 2.1
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votes
Accepted
The Kyiv Triangle Game
I only attempt to answer the puzzle by assuming that "triangle" means "small triangle". I started thinking about the problem before understanding how the others could see $27$ ...
- 236
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