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 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 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 600th Natanaelel 🇸🇪 675 83 11ms 22 Mar 2024 600th davecame 675 83 15ms 25 Apr 2024 603rd the-zammers 674 108 136ms 15 Dec 2023 604th MeWhenI 🇻🇦 673 105 5ms 1 Dec 2023 605th Shanethegamer 🇺🇸 673 106 14ms 31 Jan 2024 605th AlephSquirrel 673 106 12ms 24 Jun 2024 607th janbehrens 🇩🇪 667 83 6ms 1 Dec 2023 608th jared-hughes 667 84 16ms 17 Dec 2023 608th stertooy 🇧🇪 667 84 11ms 14 Jun 2024 608th sacredeux 667 84 14ms 20 Aug 2024 608th hiichbindermax 667 84 14ms 27 May 2025 612th Ripick 665 94 121ms 24 Jun 2024 613th NickTheEASDude 🇺🇸 663 87 10ms 25 Apr 2024 614th BREMAUCY 🇫🇷 663 106 75ms 4 Dec 2023 615th HumanoidCPU 663 114 333ms 5 hours ago 616th Creative0708 🇨🇦 662 121 126ms 16 Dec 2023 616th mousetail 🇳🇱 662 121 123ms 24 Mar 2024 618th KrausRaus 🇺🇸 659 85 12ms 1 Dec 2023 618th jeff-at-tamer-dot-codes 🇺🇸 659 85 21ms 19 Dec 2023 620th AlephSquirrel 658 81 417ms 16 Jan 2024 621st MichalMarsalek 🇨🇿 658 95 116ms 1 Dec 2023 622nd tobeannouncd 656 111 129ms 11 Jan 2024 623rd Just4FunCoder 651 86 23ms 26 Feb 2024 623rd SB-945 651 86 26ms 7 Apr 2024 623rd Babafaba 651 86 25ms 17 days ago 626th KatieLG 🇬🇧 650 82 462ms 28 Oct 2024 627th MeWhenI 🇻🇦 650 84 5ms 16 Aug 2024 628th MeWhenI 🇻🇦 649 191 9ms 1 Dec 2023 629th SirFireball3521 648 62 135ms 13 Sep 2024 630th dokutan 647 149 279ms 10 Dec 2024 631st jatloe 644 87 27ms 24 Aug 2024 632nd alomiF 644 113 187ms 6 Dec 2023 633rd m42km 642 83 531ms 1 Feb 2024 634th snoozingnewt 🇺🇸 642 150 258ms 24 days ago 635th jbt 641 90 13ms 24 Dec 2023 635th thisishowmymindworks 🇳🇴 641 90 10ms 28 Jun 2024 637th Yewzir 🇧🇪 639 92 137ms 27 Mar 2024 638th snoozingnewt 🇺🇸 639 110 82ms 24 days ago 639th elgan65536 638 101 3ms 5 Dec 2023 639th madex 🇩🇪 638 101 3ms 13 Feb 2024 639th Herbert00709 🇵🇱 638 101 2ms 3 Sep 2024 642nd gifti258 637 99 82ms 8 Aug 2025 643rd FlorianCassayre 🇫🇷 636 88 22ms 18 May 2024 643rd jacekwladzinski 636 88 12ms 3 Oct 2025 645th janbehrens 🇩🇪 634 91 10ms 1 Dec 2023 645th eranws 634 91 12ms 16 Mar 2024 647th dokutan 633 104 3ms 26 Oct 2024 648th Yewzir 🇧🇪 633 111 86ms 5 Feb 2024 648th HumanoidCPU 633 111 79ms 5 Jun 2024 650th northsuperman 632 102 2ms 24 Mar 2024 651st lifthrasiir 🇰🇷 629 46 2ms 5 Dec 2024 652nd IISResetMe 629 67 659ms 4 Dec 2023 653rd HumanoidCPU 622 67 56ms 5 Jun 2024 654th commandblockguy 🇺🇸 622 90 12ms 1 Dec 2023 654th ZakkkkAttackkkk 🇵🇭 622 90 11ms 9 May 2024 654th HumanoidCPU 622 90 27ms 5 Jun 2024 657th HumanoidCPU 621 106 2ms 5 Jun 2024 658th SirBogman 🇺🇸 620 68 240ms 18 May 2024 659th Babafaba 620 86 430ms 17 days ago 660th two-bad 🇬🇧 620 93 9ms 5 Feb 2024 660th helbling 🇨🇭 620 93 9ms 16 Jun 2024 660th snoozingnewt 🇺🇸 620 93 11ms 24 days ago 663rd iczelia 🇩🇪 620 104 2ms 10 Oct 2025 664th msbranicky 619 235 1,524ms 16 Sep 2025 665th Daniel-Ellison 617 78 618ms 8 Aug 2025 666th uttumuttu 🇫🇮 617 101 80ms 21 Dec 2023 667th MeWhenI 🇻🇦 616 105 18ms 1 Dec 2023 668th agreegious 615 91 11ms 17 Nov 2024 669th Steffan153 🇫🇮 615 123 315ms 5 Dec 2023 669th Lydxn 🇨🇦 615 123 312ms 16 Dec 2023 671st msbranicky 615 154 28ms 3 Jan 2024 672nd Andrey-Plotnikov 614 94 12ms 13 Jan 2025 673rd dokutan 614 237 1,555ms 19 days ago 674th Shanethegamer 🇺🇸 613 68 36ms 1 Dec 2023 675th dokutan 613 104 2ms 28 Oct 2024 First Prev 601–675 of 1,432 Next Last