--- title: KenKen with Roman numerals | daily.dev description: A puzzle creator shares a unique KenKen variant using Roman numerals (C, L, X, V) instead of regular numbers. The 4×4 grid puzzle requires filling cells so... canonical: https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: KenKen with Roman numerals | daily.dev og:description: A puzzle creator shares a unique KenKen variant using Roman numerals (C, L, X, V) instead of regular numbers. The 4×4 grid puzzle requires filling cells so... og:url: https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh og:image: https://api.daily.dev/og/posts/ybdT1a0Eh.png og:image:alt: KenKen with Roman numerals og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # KenKen with Roman numerals **[Arthur O'Dwyer](https://daily.dev/sources/quuxplusone)** · 2 min read · 0 upvotes · 0 comments ## Summary A puzzle creator shares a unique KenKen variant using Roman numerals (C, L, X, V) instead of regular numbers. The 4×4 grid puzzle requires filling cells so each numeral appears once per row and column, with caged regions summing to specific values. The puzzle uses only addition operations and includes two unlabeled cages, making it a creative twist on the traditional logic puzzle format. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Colourfields](https://daily.dev/posts/colourfields-bflskiyju) · Arthur O'Dwyer · 0 upvotes · 0 comments - [From constraint models to playable puzzle games](https://daily.dev/posts/from-constraint-models-to-playable-puzzle-games-f3qpshgb8) · Lobsters · 0 upvotes · 0 comments - [Nonograms: a practical guide with interactive examples](https://daily.dev/posts/nonograms-a-practical-guide-with-interactive-examples-8nztxbal2) · Hacker News · 0 upvotes · 0 comments --- [View this post on daily.dev](https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"KenKen with Roman numerals","url":"https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh"},"datePublished":"2026-02-10T21:15:40.362Z","dateModified":"2026-02-10T21:15:56.431Z","description":"A puzzle creator shares a unique KenKen variant using Roman numerals (C, L, X, V) instead of regular numbers. The 4×4 grid puzzle requires filling cells so...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/498613a1a8560850d7d711d147289b0f?_a=AQAEunF","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/498613a1a8560850d7d711d147289b0f?_a=AQAEunF","isAccessibleForFree":true,"articleSection":"Arthur O'Dwyer","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Arthur O'Dwyer","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/a789aa2fcdb64c219980d6d6901791e9","url":"https://daily.dev/sources/quuxplusone"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/kenken-with-roman-numerals-ybdt1a0eh","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Arthur O'Dwyer","item":"https://daily.dev/sources/quuxplusone"},{"@type":"ListItem","position":3,"name":"KenKen with Roman numerals"}]} ```