Showing posts with label Hard. Show all posts
Showing posts with label Hard. Show all posts

19 Mar 2012

Puzzle 30: Shakashaka 1


The puzzle type that most reminds me of Portinatx.

12 Mar 2012

Puzzle 26: Heyawake 3


This one is quite hard, in my humble opinion. The key is to consider the four central squares.

8 Mar 2012

Puzzle 24: Heyawake 2


I think I am done with this grid (cf. Country Road 1 and Shimaguni 1) for now.

13 Feb 2012

Puzzle 17: Barns 1


A new Nikoli type that I have not published before: Barns.

Instructions:
Draw a single loop through all of the cells of the grid, that does not cross itself outside of the shaded area, does not change direction inside the shaded area and does not cross any thick borders between cells.

10 Feb 2012

Puzzle 16: Shimaguni 1


The grid is split up by thick borders into areas called 'rooms'. Shade some of the cells of the grid in such a way that:

  • Each room has at least one shaded cell.
  • Within each room, all shaded cells form one connected component.
  • No wall between two rooms has shaded cells on both sides.
  • Adjacent rooms have different numbers of shaded cells.

9 Feb 2012

Puzzle 15: Nurikabe 5


I am going to label this one as hard. Let me know if you think otherwise.

8 Feb 2012

Small but Perfectly Formed 2: Heyawake 1


I've decided to call this a hard puzzle, as I don't think it can be solved without a bit of trial and error. If you disagree, let me know. I've never seen a 0-clue Heyawake before!

Puzzle 14: Nurikabe 3


I think this is my favourite of all of the puzzles I have made yet. Hope you enjoy!

Puzzle 13: Guards 1



I thought I would try my hand at making a new Puzzle Type. This puzzle type is called “Guards”, and it is sort of a blend of the Nikoli puzzle types Akari and Kurodoku.
Mark some of the empty squares as walls (black squares) and some as guards (empty circles) so that:
1) No two walls are adjacent
2) No two guards can see each other. (Guards can see horizontally and vertically up to the nearest wall or the edge of the grid)
3) Every empty cell is visible to a guard.
4) All the non-wall cells are connected orthogonally.
5) Each labelled wall cell indicates the number of adjacent guards.
6) Each labelled guard cell indicates the number of cells (including the one it inhabits) that it can see.

Puzzle 7: Sudoku X 1


It’s like the puzzle in the previous post, but you also must have one of each number on both diagonals.

Puzzle 3: Kakuro 1

I have tried and failed to make a computer-generated Kakuro for years. Turns out it’s easier (for me) to do it by hand! Hope you enjoy.