Printable Loop Puzzles (Slitherlink): Oni (12×12)
The hardest puzzles, with moments when you try a line and see that it cannot be. 30 puzzles, free, with answers. Print on A4 and solve in pencil. In the game, solving one within 15 minutes earns one more ★. The game has 100 Oni puzzles in all; the first 30, which are free, can be printed.
1Print 1 at a time
Choose a number to print that puzzle large. Page 2 is the answer.
2Print many at once
Each sheet of puzzles holds 2, 15 sheets in all. Each sheet of answers holds 6, 5 sheets in all. Below is a sample of sheet 1.
Loop Puzzle Oni: Puzzles1 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles2 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles3 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles4 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles5 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles6 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles7 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles8 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles9 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles10 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles11 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles12 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles13 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles14 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Puzzles15 / 15Name: ________puzzlelounge.app/loop/
Join the dots with lines, across or down, to make one loop. A number says how many of its square's 4 sides the loop runs along. The loop never branches or crosses itself.
Loop Puzzle Oni: Answers1 / 5puzzlelounge.app/loop/
Loop Puzzle Oni: Answers2 / 5puzzlelounge.app/loop/
Loop Puzzle Oni: Answers3 / 5puzzlelounge.app/loop/
Loop Puzzle Oni: Answers4 / 5puzzlelounge.app/loop/
Loop Puzzle Oni: Answers5 / 5puzzlelounge.app/loop/
3About Oni
For those who can solve Hard. Take your time. Ways to solve are in How to play, and one puzzle solved from start to finish is in Solving one 8×8 puzzle.
Slitherlink is a trademark of Nikoli Co., Ltd.