I've started to construct Nurikabe puzzles. These are fun to solve! And fun to construct!
I've numbered them in the order I created them, not by difficulty. It seems easier for me to construct hard ones than easy ones, so most of these are just too darned difficult to be fun. :-(
Each of these puzzles has exactly one solution. If you regard this fact as a given, you may be able to make certain special inferences (OWFU's, or only-way-for-uniqueness). Puzzle #11 is one where OWFU's might speed up the solution process.
Rather difficult but requiring no trial and error:
Very challenging, perhaps requiring deductions that could be classified as trial-and-error, but still fun and doable by expert nurikaber's:
Too Difficult, brutal trial and error seems to be required:
On this site you can find software to generate battleship puzzles automatically. Here's one:
| q 3 | r 3 | s 2 | t 3 | u 3 | v 1 | w 0 | x 1 | y 2 | z 2 | |
| A 7 | ||||||||||
| B 2 | ||||||||||
| C 0 | ||||||||||
| D 3 | ||||||||||
| E 2 | S | |||||||||
| F 1 | ||||||||||
| G 0 | ||||||||||
| H 0 | ||||||||||
| I 2 | ||||||||||
| J 3 |
Here's the solution:
| q 3 | r 3 | s 2 | t 3 | u 3 | v 1 | w 0 | x 1 | y 2 | z 2 | |
| A 7 | D | B | B | B | B | S | D | |||
| B 2 | D | D | ||||||||
| C 0 | ||||||||||
| D 3 | C | D | D | |||||||
| E 2 | C | C | ||||||||
| F 1 | C | |||||||||
| G 0 | ||||||||||
| H 0 | ||||||||||
| I 2 | S | S | ||||||||
| J 3 | C | C | C |
Here's another Battleship Puzzle:
| q 7 | r 2 | s 1 | t 1 | u 1 | v 3 | w 2 | x 0 | y 1 | z 2 | |
| A 3 | ||||||||||
| B 1 | ||||||||||
| C 1 | ||||||||||
| D 1 | ||||||||||
| E 3 | S | |||||||||
| F 1 | ||||||||||
| G 5 | ||||||||||
| H 2 | ||||||||||
| I 2 | ||||||||||
| J 1 |
Solution:
| q 7 | r 2 | s 1 | t 1 | u 1 | v 3 | w 2 | x 0 | y 1 | z 2 | |
| A 3 | X | X | X | |||||||
| B 1 | X | |||||||||
| C 1 | X | |||||||||
| D 1 | X | |||||||||
| E 3 | X | X | X | |||||||
| F 1 | X | |||||||||
| G 5 | X | X | X | X | X | |||||
| H 2 | X | X | ||||||||
| I 2 | X | X | ||||||||
| J 1 | X |