The Hamiltonian Circuit 4+

Good puzzles!

Started playing this after seeing the developer n Jeopardy. The puzzles is great, and reminiscent of other circuit completion puzzles like Nikoli Slitherlink, and Kaser’s Willa’s Walk.

So why four stars?

The app itself feels like a minimum-viable product and could use a little more work. In particular, the lack of an undo/redo button is not great. I find myself having to hit reset if I paint myself into a corner and would prefer to tap undo a few times.

Also when you start the app up, you have to do some menu diving to get to your last puzzle. This shouldn’t require more than a single tap.

Great game.

Great game. Adding 2 features would make it perfect. 1) An undo button, with the ability to undo an unlimited number of moves. 2) “Guess” mode. Sometimes you get to a point where you can’t figure out the next move to make. In those cases it would be super useful to be able to switch to guess mode where the lines you draw are a different color or something. If you proceed with drawing additional lines after the guess and encounter a contradiction you know your original guess was wrong and you can then undo all your guess moves and try something else.

Developer Response ,

Thanks for the great ideas! We recently released guess mode (also known as pencil mode). We think it eliminates the need for undo - the concepts kind of overlap.

Hitting “Buy” Causes Crash (Edit: Fixed!!)

First off, I love this game, it’s an excellent puzzler and gives the same puzzle high as the likes of sudoku.

However, when I went to buy all packs on my iPhone XS Max, I hit “Buy” and the app crashes. This continues to happen after restart the app. I want to buy all the content for $4.99, but it won’t let me!

I will definitely amend my rating to 5 stars if this issue is fixed.

Edit: Updated rating to 5 stars. Within a couple days of this review going live, the developers patched the game to fix this bug. Amazing turnaround. As a software developer myself, I love seeing this attention to customers. Wish I could rate higher than 5 stars but hopefully the $4.99 I spent to buy the packs is token enough.

Developer Response ,

Thanks for the updated review! We are constantly trying to make the app fun, challenging, and flawless, and your feedback helped us along toward our goals.