{"id":34057,"date":"2025-09-09T00:00:33","date_gmt":"2025-09-09T07:00:33","guid":{"rendered":"https:\/\/www.gmpuzzles.com\/blog\/?p=34057"},"modified":"2025-09-10T11:23:35","modified_gmt":"2025-09-10T18:23:35","slug":"dead-or-alive-arrow-sudoku-by-bill-murphy","status":"publish","type":"post","link":"https:\/\/www.gmpuzzles.com\/blog\/2025\/09\/dead-or-alive-arrow-sudoku-by-bill-murphy\/","title":{"rendered":"Dead or Alive Arrow Sudoku by Bill Murphy"},"content":{"rendered":"<p>(This post is part of the <a href=\"https:\/\/www.gmpuzzles.com\/blog\/tag\/gas\/\">Genuinely Approachable Sudoku (GAS)<\/a> series.)<br \/>\n<em>In this Sudoku variant, some arrows indicate numbers that are &#8220;alive&#8221; and must appear again on that diagonal direction, while other arrows indicate numbers that are &#8220;dead&#8221; and cannot.<\/em><\/p>\n<p align=\"center\"><img src=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250909-DeadOrAliveArrowSudoku.png alt=\"Dead or Alive Arrow Sudoku by Bill Murphy\" \/><\/p>\n<p align=\"center\"><a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250909-DeadOrAliveArrowSudoku.pdf\">PDF<\/a><\/p>\n<p>or <a href=\"https:\/\/gmpuzzles.com\/s\/250909DoAA\">solve online<\/a> (using SudokuPad)<\/p>\n<p><b>Author\/Opus:<\/b> This is the 32nd puzzle from Bill Murphy, part of the Genuinely Approachable Sudoku (<a href=\"https:\/\/sudokutheory.com\/gas\/\">GAS<\/a>) team.<\/p>\n<p><b>Rules:<\/b> Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Numbers in cells with full gray arrows must appear at least once in the direction indicated by the arrow. Numbers in white arrows must not appear in the direction indicated by the arrow.<\/p>\n<p><b>GAS Time Standards (highlight to view):<\/b> Two party hats (\ud83c\udfa9\ud83e\udd73): <span style=\"color: white; background-color: white;\">6:30<\/span>; One party hat (\ud83e\udd73): <span style=\"color: white; background-color: white;\">12:00<\/span>. All other solvers earn a \ud83e\udd95: <span style=\"color: white; background-color: white;\">Observable Ornithomimus<\/span>.<\/p>\n<p><b>Thomas Hits the GAS (highlight to view):<\/b> <span style=\"color: white; background-color: white;\">2:32<\/span>, with <a href=https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/sudokupad-Bill_Murph-Dead_Or_Alive_Arrpw_Sudoku-a726-d153.replay>SudokuPad replay file<\/a> shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).<\/p>\n<p><b>Solution:<\/b> <a href=\"https:\/\/www.gmpuzzles.com\/images\/puzzles2025\/250909-DeadOrAliveArrowSudoku-soln.pdf\">PDF<\/a> and <a href=\"https:\/\/youtu.be\/f48cCGG99lQ\">solving video<\/a> with explanation from GAS team.<\/p>\n<p><b>Note:<\/b> Follow this link for other less common variations of <a href=\"https:\/\/www.gmpuzzles.com\/blog\/tag\/sudoku-3+variation-2\/\">Sudoku<\/a>.<\/p>\n<p><b>Note 2:<\/b>\u00a0Comments on the blog are great! For a more interactive discussion, please also consider using our\u00a0<a href=\"https:\/\/discord.com\/channels\/1059513302847336469\/1380897111599616020\">Daily GAS discussion<\/a>\u00a0post\u00a0on the GMPuzzles Discord. Not a member of the Discord? Click\u00a0<a href=\"https:\/\/discord.gg\/RNNfEBEbQS\">this link<\/a>\u00a0for basic access.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(This post is part of the Genuinely Approachable Sudoku (GAS) series.) In this Sudoku variant, some arrows indicate numbers that are &#8220;alive&#8221; and must appear again on that diagonal direction, while other arrows indicate numbers that are &#8220;dead&#8221; and cannot. PDF or solve online (using SudokuPad) Author\/Opus: This is the 32nd puzzle from Bill Murphy, [&hellip;]<\/p>\n","protected":false},"author":443,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,126],"tags":[8,15,56,237],"class_list":["post-34057","post","type-post","status-publish","format-standard","hentry","category-puzzle","category-othersudoku","tag-sudoku-3","tag-wednesdaythursday","tag-variation-2","tag-gas"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dead or Alive Arrow Sudoku by Bill Murphy - The Art of Puzzles<\/title>\n<meta name=\"description\" content=\"In this Sudoku variant, arrows indicate some &quot;alive&quot; numbers that must appear again on while others indicate &quot;dead&quot; numbers that cannot.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gmpuzzles.com\/blog\/2025\/09\/dead-or-alive-arrow-sudoku-by-bill-murphy\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dead or Alive Arrow Sudoku by Bill Murphy - 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