12 Days of Christmas in Ruby in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st JayXon 🇺🇸 1,000 395 35ms 17 May 2022 2nd primo-ppcg 🇹🇭 985 401 35ms 10 Dec 2021 3rd MeWhenI 🇻🇦 966 409 33ms 3 Aug 2022 4th radarek 🇵🇱 956 413 36ms 18 Jul 2024 4th beirigo 🇧🇷 956 413 40ms 26 Jul 2024 6th pardouin 🇫🇷 952 415 35ms 23 Aug 2025 7th prplz 🇦🇺 943 419 36ms 2 Jul 2021 8th Natanaelel 🇸🇪 936 422 35ms 11 Sep 2021 8th olleicua 🇺🇸 936 422 37ms 26 Feb 2024 10th anter69 🇭🇺 934 423 37ms 20 Nov 2023 11th hiddicop 🇸🇪 932 424 37ms 27 Jan 2021 11th sisyphus-ppcg 🇦🇺 932 424 36ms 4 Feb 2022 11th stefangimmillaro 932 424 36ms 3 Jun 2025 14th GrayJoKing 🇦🇺 925 427 36ms 29 Mar 2021 14th sean-niemann 🇺🇸 925 427 41ms 3 Jan 2024 16th gilufin 923 428 35ms 31 May 2021 17th textninja 921 429 34ms 26 Sep 2020 18th janlelis 916 431 34ms 2 Feb 2021 18th olivermrose 🇺🇸 916 431 33ms 27 Aug 2021 18th ovs-code 🇩🇪 916 431 37ms 16 Mar 2024 21st dwayneparton 914 432 36ms 6 May 2020 21st tatzyr 🇯🇵 914 432 35ms 18 Nov 2024 23rd jared-hughes 910 434 33ms 20 Sep 2022 24th jaredcrystal 🇺🇸 908 435 33ms 15 Dec 2020 25th KatieLG 🇬🇧 906 436 44ms 10 Apr 2022 25th SirBogman 🇺🇸 906 436 33ms 8 Dec 2023 25th neel11235813 906 436 33ms 26 Mar 2024 28th D-MOVE 🇵🇭 904 437 35ms 5 hours ago 29th SephQ 898 440 34ms 31 Dec 2020 29th JRaspass 🇬🇧 898 440 34ms 18 Jan 2023 31st SubsTheTechnomancer 894 442 33ms 3 Mar 2023 31st snoozingnewt 🇨🇦 894 442 35ms 23 Sep 2023 33rd gutierrezm00 890 444 36ms 16 Apr 2020 33rd Shanethegamer 🇺🇸 890 444 37ms 28 Jul 2021 35th DialFrost 🇸🇬 888 445 37ms 1 Jun 2024 36th Michaelncallahan 884 447 35ms 17 Apr 2020 36th Haksell 🇦🇶 884 447 35ms 22 Feb 2023 38th blaztoma 🇱🇹 882 448 35ms 13 Oct 2025 39th comp0zr 880 449 35ms 27 Sep 2023 40th biinari 874 452 36ms 27 Mar 2018 41st felixli1998 872 453 36ms 8 Aug 2024 42nd 4hg 🇺🇸 870 454 36ms 27 Dec 2022 42nd TheZwierzLF 🇵🇱 870 454 42ms 25 Dec 2025 44th acornellier 868 455 37ms 1 Dec 2021 45th proton 🇩🇪 866 456 32ms 9 Jun 2020 46th robymus 864 457 37ms 18 Sep 2018 46th jbbarth 🇫🇷 864 457 39ms 23 Aug 2021 46th dokutan 864 457 36ms 21 Apr 2025 49th atsushiootani 862 458 36ms 27 Aug 2018 49th vincecoss 862 458 34ms 15 May 2022 49th paul-c-hartman 862 458 35ms 7 Mar 2025 52nd LostSyntax21 🇬🇧 861 459 34ms 5 Jul 2025 53rd Waffle3z 859 460 34ms 21 Jan 2021 53rd aksyristos 859 460 35ms 31 Jan 2023 55th iamsolarpowered 853 463 34ms 16 Dec 2017 55th PikeIt 853 463 33ms 27 Jun 2023 57th DaCuteRaccoon 851 464 36ms 5 May 2022 58th mikiymk 848 466 33ms 21 Sep 2023 59th BrenSchaap 844 468 35ms 11 Nov 2021 60th zloyrusskiy 842 469 35ms 20 Jun 2023 61st HumanoidCPU 840 470 38ms 1 Aug 2024 61st JOrE20 840 470 37ms 1 Nov 2025 63rd adoxography 833 474 37ms 1 Jun 2018 63rd emgordon154 833 474 37ms 21 Jul 2024 65th ryo-ha-gi 832 475 36ms 22 Jul 2024 65th Lv0Sys 🇵🇱 832 475 37ms 29 May 2025 67th moozzi 830 476 38ms 6 Dec 2025 68th yokasuretsu 828 477 36ms 22 Apr 2018 68th timcustard 828 477 34ms 28 Feb 2022 70th yeco 826 478 33ms 28 Apr 2020 71st madex 🇩🇪 825 479 36ms 19 Dec 2024 72nd graft 821 481 35ms 27 Feb 2018 72nd dev-Thae 821 481 37ms 6 Nov 2023 74th hollma 820 482 35ms 20 Oct 2023 75th msbranicky 814 485 35ms 12 Sep 2023 76th bryanmytko 811 487 36ms 7 Sep 2023 77th boxjelly 803 492 35ms 12 Feb 2021 78th YinglunQ 801 493 34ms 18 Jul 2024 79th Kyrremann 796 496 33ms 8 Jan 2020 79th awei82 796 496 37ms 30 Jun 2022 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