• Conceptis Slitherlink 1
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  • Conceptis Slitherlink 4

Conceptis Slitherlink

Slitherlink are addictive loop-forming puzzles which were invented in Japan. Using pure logic and requiring no math to solve, these fascinating puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages.

Each puzzle consists of a rectangular lattice of dots with some clues in various places. The object is to connect the dots surrounding each clue so that the number of lines equals the value of the clue and the lines around all clues form one continuous loop with no crossings or branches. Empty squares may be surrounded by any number of lines.

The game features 2-finger tapping for quick zoom, auto complete clues setting and a link segment highlighting option to help to avoid creating separate loops.

For more fun, Conceptis Slitherlink includes a Weekly Bonus section providing an extra free puzzle each week.

PUZZLE FEATURES

• 120 free Classic Slitherlink puzzle samples
• Extra bonus puzzle published free each week
• Multiple difficulty levels from very easy to extremely hard
• Puzzle library continuously updates with new content
• Manually selected, top quality puzzles
• Unique solution for each puzzle
• Hours of intellectual challenge and fun
• Sharpens logic and improves cognitive skills

GAMING FEATURES

• Concurrently playing and saving multiple puzzles
• Puzzle library sorting and hiding options
• Unlimited Undo and Redo
• Auto complete clues
• Highlight link segment
• Quick zoom using 2-finger tap
• Check puzzle
• Track puzzle solving times

ABOUT

Slitherlink have also become popular under other names such as Fences, Loop the Loop, Loopy, Suriza, Dotty Dilemma and Number Line. Similar to Sudoku, Kakuro and Hashi, the puzzles are solved using logic alone. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world.

Category : Puzzle

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Reviews (30)

Pau. S. Apr 29, 2022     

A good challenge and easy to play. A comparison with other people's times would give it more of a competitive edge.

Bra. B. Apr 29, 2022     

Challenging but quite relaxing. Holds the interest because there are many techniques to learn.

Dav. G. May 8, 2022     

I enjoy this but I just finished one and the app says I have two errors but I can see there's no reason why I shouldn't have put lines there.

Jam. K. Apr 16, 2022     

Great puzzle, lots of content for free and even more for cheap.

Gab. C. Apr 29, 2019     

Fun puzzle game but there's something wrong with difficulty categories. It took me 7 min to solve a "very easy" puzzle, 2 min to solve a "medium" one and 4 min to solve a "hard" one. Not sure what they based the categories on but it clearly means nothing for me and the time it will take me to solve them. So, if you struggle with a "very easy" puzzle don't beat yourself up and try another.

Eli. H. May 20, 2022     

Conseptis always has been and always will be my favorite puzzle maker

Di. C. Oct 7, 2021     

Another great game for conceptis . I love that you can trial several levels / learn the game before having to pay, and do not have to put up with ads while doing so. Definitely an incentive to buying additional games, although the pricing is a little high - but not compared to a coffee!

Ben. S. Nov 11, 2020     

Great version of a great puzzle. Simple to use and moves you through the concept teaching you with easier puzzles to start with before moving on to more complex ones. There are plenty of free puzzles to start you off with the option of buying more of you want. Highly recommended.

Ama. A. May 17, 2021     

Fantastic mechanics. Tons of puzzles. I don't usually spend money on games, but the extra puzzle packs are totally worth it. I wish it had night mode though. The x's are also kind of difficult to see, I wish there was more contrast there

Mar. G. Apr 18, 2022     

One of my all time favorites....the more difficult the better!

Deb. M. May 22, 2020     

Lots of free levels plus weekly bonus levels. 40 each of easy, medium and hard levels are included free, extra packs can be bought. One free bonus level each week. The'controls' make sense and you can zoom in easily. A handy 'check' button if you're really stuck.

Sam. S. Aug 7, 2019     

Really smooth controls and fun puzzles. The only feature I wish it had was the ability to continuously draw a line segment by moving your finger around without lifting from the screen. I think a feature like that would really capture the "Slither" feeling of the SlitherLink game.

Bre. D. Sep 13, 2019     

Two suggestions: 1. Add bookmarks so we can easily return a puzzle to a previous state. 2. Make it more clear where the edge of the puzzle is (the thin frame does not stand out very well when zoomed in) .

Ron. M. Dec 13, 2020     

I'm still a newbie learning the "patterns" to look for to solve the puzzle, so I'm still focused on the easier puzzles. But this is a captivating game.

Ama. M. Feb 26, 2021     

So far I love it. I've never played any like it, but it seems to be a very intuitive user interface and it has some features that I would think not all slitherlink apps have. Good fun.

M.. W. Nov 26, 2019     

Another great Conceptis game. I just wish you can press and hold to mark an x instead of tapping twice. Also like abother reviewers suggestion of dragging for a continuous line.

Bra. C. Apr 15, 2022     

Excellent way to waste time.

Phi. S. Nov 8, 2019     

I love the Conceptis puzzle books, and these are worthy puzzles from them. So glad to get an array of games of this quality. Zoom in for greater precision.

Emi. R. Sep 20, 2020     

Very challenging at higher levels but easily doable at lower ones with plenty of additional packs for cheap and great controls even on a phone. Conceptis never disappoints

Wil. C. Nov 7, 2019     

Bad controls, always putting an x instead of a line. Too frustrating when it takes forever to put a line.

Shi. J. May 30, 2020     

Nice App. Similar to loop the loop in Times of India. I always enjoy this puzzle. Here there are more difficult levels are also available.

aks. h. Feb 2, 2020     

I love puzzles. So conceptis puzzles have been my best! Just love their all games and creative ideas.. One who loves puzzles can definitely love these games! Thank you conceptis!!!

Rob. M. Jan 8, 2020     

Have always been a fan of loop the loop in magazines but always limited to a few tables. Now I virtually have an unlimited source. Fab.

JaX. Apr 7, 2020     

I think it would be better if the number with the correct amount of line is highlighted, easier for troubleshooting without using check

Som. S. Oct 14, 2021     

User Friendly. Have guidance and techniques forum to know how to play and how to apply techniques. Loved it. Would request developers to add more easy section slitherlink.

Joh. G. Jun 10, 2021     

A variety of challenging slitherlink puzzles with error check and timer! Excellent.

Ade. T. Aug 23, 2020     

touching links is sporadic. interface needs work and is not very imaginative.

War. H. Dec 23, 2021     

Games Magazine introduced me to Conceptis puzzles, and I'm glad they have them as a mobile app.

Mic. C. Dec 26, 2020     

Love it. Wish it could zoom in more, but the puzzles are excellent.

b. z. Mar 31, 2020     

Very basic interface and horrible gameplay experience. Slitherlink X by Ejelta LLC is 100000000000 x better.