Farey Sequence in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 526th Yewzir 🇧🇪 741 98 11ms 9 Jan 2025 527th albanian-laundromat 740 77 788ms 24 Sep 2025 528th voytxt 🇨🇿 740 78 10ms 1 Dec 2023 528th dmrichwa 🇺🇸 740 78 10ms 2 Dec 2023 528th dylanarmstrong 740 78 10ms 9 Dec 2023 528th Irratix 🇳🇱 740 78 12ms 29 Apr 2024 528th Yax42 🇫🇷 740 78 10ms 9 days ago 533rd DialFrost 🇸🇬 737 94 10ms 15 Dec 2024 534th AdrienHache 🇫🇷 733 88 11ms 7 Jan 2024 535th frankgraziano 732 69 7ms 26 Feb 2025 536th SirBogman 🇺🇸 731 57 36ms 4 Dec 2023 536th anter69 🇭🇺 731 57 37ms 13 Feb 2024 536th edsrzf 🇳🇿 731 57 41ms 6 Mar 2025 539th KrausRaus 🇺🇸 731 79 11ms 1 Dec 2023 539th jared-hughes 731 79 14ms 17 Dec 2023 539th uttumuttu 🇫🇮 731 79 11ms 21 Dec 2023 542nd nwellnhof 🇩🇪 727 77 20ms 12 Jan 2024 542nd dokutan 727 77 13ms 29 Oct 2024 544th snoozingnewt 🇺🇸 725 86 82ms 15 Oct 2025 545th weliveinhell 🇭🇹 725 133 259ms 2 Dec 2023 546th Herbert00709 🇵🇱 723 118 56ms 27 Nov 2024 547th FlyingPenguin223 721 87 2ms 4 Dec 2023 548th DialFrost 🇸🇬 719 101 11ms 12 Dec 2024 549th tatzyr 🇯🇵 718 58 52ms 29 Dec 2024 550th dirckvdende 718 78 10ms 28 Jul 2025 551st Vinterion 717 90 2ms 19 Jul 2024 552nd tomtheisen 🇺🇸 717 102 351ms 10 Apr 2025 553rd genmeblog 714 97 14ms 11 Dec 2023 554th cyrilboyer 🇫🇷 713 81 10ms 21 Dec 2023 555th annaproxy 711 91 16ms 4 Dec 2023 556th luuumine 🇫🇷 711 120 52ms 3 days ago 557th Yax42 🇫🇷 710 103 340ms 9 days ago 558th btjones0 709 79 10ms 1 Dec 2023 558th BREMAUCY 🇫🇷 709 79 10ms 1 Dec 2023 558th annaproxy 709 79 10ms 11 Dec 2023 558th OllieBoyne 🇬🇧 709 79 10ms 7 Jan 2024 558th nstearns96 🇬🇧 709 79 10ms 28 Jun 2024 558th bzijlema 🇳🇱 709 79 10ms 27 Nov 2024 558th bricknellj 709 79 10ms 2 Apr 2025 558th guilhem-roy 🇫🇷 709 79 10ms 29 May 2025 558th andrewjc2000 709 79 10ms 27 Jul 2025 567th drabart 🇵🇱 709 91 3ms 7 Dec 2023 568th adamnielson42 🇺🇸 707 64 8ms 1 Dec 2023 569th SirBogman 🇺🇸 706 41 2ms 1 Dec 2023 570th Yewzir 🇧🇪 703 137 260ms 5 Jan 2024 571st DialFrost 🇸🇬 702 60 241ms 16 Jul 2024 572nd weliveinhell 🇭🇹 701 92 5ms 2 Dec 2023 573rd adamnielson42 🇺🇸 700 80 10ms 1 Dec 2023 574th dokutan 700 89 84ms 1 Apr 2025 575th MeWhenI 🇻🇦 698 101 18ms 1 Dec 2023 576th MeWhenI 🇻🇦 697 69 232ms 1 Dec 2023 577th saito-ta 🇯🇵 697 141 2,861ms 14 Dec 2023 578th ovs-code 🇩🇪 695 102 5ms 1 Dec 2023 578th edsrzf 🇳🇿 695 102 6ms 3 days ago 580th dokutan 693 77 454ms 29 Oct 2024 581st Shanethegamer 🇺🇸 693 91 75ms 13 Dec 2024 582nd Shanethegamer 🇺🇸 692 90 81ms 1 Dec 2023 583rd MeWhenI 🇻🇦 692 108 4ms 1 Dec 2023 584th AlephSquirrel 691 81 11ms 6 Dec 2023 584th doktoren 691 81 11ms 10 Dec 2023 584th brimstonetrader 691 81 11ms 23 Feb 2024 584th NickTheEASDude 🇺🇸 691 81 71ms 25 Apr 2024 584th martion2007 691 81 72ms 15 Aug 2024 584th Herbert00709 🇵🇱 691 81 10ms 27 Nov 2024 584th CLOStrophobic 🇮🇹 691 81 11ms 28 Jan 2025 584th Pyroan 691 81 11ms 18 Mar 2025 584th KatieLG 🇬🇧 691 81 22ms 15 Sep 2025 593rd HumanoidCPU 688 124 52ms 5 Mar 2024 594th msbranicky 688 140 265ms 1 Jan 2024 595th Yewzir 🇧🇪 686 79 2ms 26 May 2024 596th Yewzir 🇧🇪 686 83 731ms 5 Feb 2025 597th MateuszPietrzak 🇵🇱 686 94 2ms 7 Dec 2023 598th HumanoidCPU 686 96 2ms 6 days ago 599th MichalMarsalek 🇨🇿 683 82 13ms 1 Dec 2023 599th Koshu 683 82 10ms 2 Dec 2023 First Prev 526–600 of 1,453 Next Last