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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 826th NanduBC 483 116 6 Sep 2024 827th msbranicky 482 134 2 Jan 2024 828th madeforlosers 481 113 8 Dec 2023 829th dokutan 479 140 29 Oct 2024 830th snoozingnewt 🇺🇸 476 167 4 days ago 831st MaxCastella 🇫🇷 475 89 1 Dec 2023 832nd HumanoidCPU 473 132 5 Jun 2024 833rd RockOfStone 471 140 23 Mar 2024 834th Feniske 🇫🇷 470 90 1 Dec 2023 835th msbranicky 470 118 2 Jan 2024 835th dokutan 470 118 10 Apr 2025 837th trinityy-7 470 123 6 Dec 2023 838th emgordon154 469 62 18 days ago 839th dokutan 468 126 26 Oct 2024 840th dokutan 468 135 31 Mar 2025 841st msbranicky 466 144 2 Jan 2024 842nd cmkb3 464 91 1 Dec 2023 843rd msbranicky 464 117 6 Jan 2024 844th AsbestosSniffer 464 184 1 Dec 2023 845th TinyTheBrontosaurus 463 121 3 Dec 2023 845th RobertHoeh 463 121 9 Dec 2023 845th klixel 🇨🇦 463 121 21 Jun 2025 848th snoozingnewt 🇺🇸 463 145 4 days ago 849th CatsAreFluffy 461 140 31 Jan 2024 850th msbranicky 461 159 2 Jan 2024 851st Stockoh 🇫🇷 456 123 23 Apr 2024 852nd Liibe 456 166 17 days ago 853rd pedro-a-soares 455 127 6 Dec 2023 854th snoozingnewt 🇺🇸 454 92 4 days ago 855th snoozingnewt 🇺🇸 454 158 4 days ago 856th MeWhenI 🇻🇦 453 89 1 Dec 2023 857th yuchuehw 452 124 15 May 2024 857th Flekay 🇩🇪 452 124 11 Jul 2025 859th HumanoidCPU 451 139 5 Jun 2024 860th aydamak 449 93 15 May 2024 861st estomagordo 🇳🇱 448 125 25 Mar 2025 862nd Vaekor 445 126 28 Feb 2024 863rd msbranicky 445 153 2 Jan 2024 864th Kaffeleif 445 156 13 Mar 2024 865th HumanoidCPU 442 165 24 Oct 2024 866th snoozingnewt 🇺🇸 440 115 4 days ago 867th h3ra993huskp 🇯🇵 440 172 13 Apr 2025 868th 4ndyJ 🇬🇧 438 128 29 Feb 2024 869th BambooleanLogic 🇸🇪 438 132 1 Dec 2023 870th sidok 435 111 26 Apr 2024 871st CutSandstone 434 129 19 Jul 2024 871st wh3n3v3r 🇨🇿 434 129 18 Nov 2024 873rd dokutan 433 146 29 Oct 2024 874th janbehrens 🇩🇪 433 175 16 Dec 2023 875th addmai 431 130 30 Jul 2025 876th acollett89 431 134 5 Aug 2025 877th snoozingnewt 🇺🇸 430 129 4 days ago 878th bjornmartensson 428 131 11 Dec 2023 878th Mabeloid 🇳🇴 428 131 11 Sep 2024 880th epic-programmer-guy 428 170 3 Jan 2024 881st inverseLorentz 🇦🇺 426 171 6 Apr 2024 882nd michelebastione 🇮🇹 425 132 23 Dec 2023 882nd CatsAreFluffy 425 132 31 Jan 2024 882nd FranklinJiaChen 425 132 4 Aug 2024 885th itserasmus 425 136 26 Jan 2024 886th snoozingnewt 🇺🇸 424 139 4 days ago 887th msbranicky 423 169 2 Jan 2024 888th CatsAreFluffy 423 172 17 Dec 2023 889th evnu 417 160 6 days ago 890th XenThe 🇬🇧 416 139 14 Sep 2025 891st snoozingnewt 🇺🇸 415 151 4 days ago 892nd snoozingnewt 🇺🇸 413 173 4 days ago 893rd msbranicky 412 117 11 Jan 2024 894th CatsAreFluffy 411 130 31 Jan 2024 895th olleicua 🇺🇸 410 141 20 Jan 2024 896th f-tucker 409 137 24 May 2024 896th Jaydosu 409 137 26 Jun 2024 896th mbittner20 409 137 13 Apr 2025 899th Mabeloid 🇳🇴 408 131 17 Sep 2024 900th unfinishedprogram 407 142 5 Dec 2023 First Prev 826–900 of 1,418 Next Last