Kolakoski 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 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 Trinomial Triangle 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 820th Mr-McChicken 675 73 15 Oct 2023 820th Masttest 675 73 21 Feb 2024 828th Yewzir 🇧🇪 675 88 14 Oct 2023 829th msbranicky 674 80 11 Oct 2023 830th janbehrens 🇩🇪 672 68 9 Apr 2021 831st rboath 671 58 8 Jan 2025 832nd madex 🇩🇪 671 79 11 Jul 2024 833rd 5quiwyrm 669 54 5 Dec 2024 834th I-Love-47 🇺🇦 669 106 10 Feb 2022 835th jameslindesay 666 74 24 Feb 2021 835th PkmnQ 666 74 5 May 2024 835th RedzGoose 🇦🇺 666 74 14 Oct 2024 835th yokasuretsu 666 74 13 Jan 2025 839th CaedenHarper 🇨🇦 665 70 31 Jan 2025 840th MeWhenI 🇻🇦 663 69 15 Feb 2023 840th MarcMush 🇫🇷 663 69 12 Feb 2024 840th Yewzir 🇧🇪 663 69 5 Apr 2024 843rd Natanaelel 🇸🇪 662 56 20 Jan 2024 844th CaedenHarper 🇨🇦 662 68 17 days ago 845th DialFrost 🇸🇬 662 75 3 Jun 2025 846th 77Tigers 661 114 9 Apr 2024 847th Trunksistor 🇫🇷 657 75 25 May 2022 847th celiendonze 🇨🇭 657 75 16 Jun 2023 847th qwjhvbxi 657 75 9 Feb 2024 847th wenbang24 657 75 6 Apr 2024 851st uttumuttu 🇫🇮 656 71 8 Jan 2022 851st olleicua 🇺🇸 656 71 20 Feb 2024 853rd SirBogman 🇺🇸 656 108 3 Jan 2022 854th annaproxy 655 91 13 Jan 2023 855th emgordon154 653 65 6 Sep 2024 856th AdrienHache 🇫🇷 653 91 31 Dec 2023 857th dokutan 652 69 25 days ago 858th olivermrose 🇺🇸 651 57 24 Aug 2021 859th boxjelly 648 65 11 Feb 2021 859th msbranicky 648 65 12 Sep 2023 861st Waffle3z 648 76 20 Jan 2021 861st hellwue 648 76 16 Nov 2023 861st yuchuehw 648 76 18 Jan 2024 864th Bubbler-4 648 97 13 Sep 2023 865th Shanethegamer 🇺🇸 646 97 22 Dec 2023 866th jwhear 🇺🇸 644 171 1 Oct 2024 867th johnnythedoggie 643 106 3 Mar 2021 868th f-tucker 640 77 2 Feb 2024 868th undefinedRyan 640 77 19 Apr 2025 868th Emutis 🇱🇹 640 77 12 days ago 871st emgordon154 640 98 10 Dec 2024 872nd nephila-nacrea 🇬🇧 639 58 3 Feb 2021 873rd NickTheEASDude 🇺🇸 639 95 1 Jul 2024 874th alomiF 639 102 4 Nov 2024 875th msbranicky 639 134 3 Oct 2023 876th Maznek 638 73 30 Jun 2023 877th MeWhenI 🇻🇦 637 82 21 Jul 2023 878th Shanethegamer 🇺🇸 634 57 27 Jul 2023 879th janbehrens 🇩🇪 634 135 13 Jun 2021 880th DialFrost 🇸🇬 633 67 3 Aug 2024 881st MateuszPietrzak 🇵🇱 633 112 16 Jan 2024 882nd sreyfe 633 119 9 Jun 2024 883rd dokutan 632 94 18 Jul 2025 884th emgordon154 632 186 30 May 2025 885th AkashTandon167 631 78 25 May 2021 885th jhpaques 🇫🇷 631 78 30 Nov 2022 887th SirBogman 🇺🇸 631 84 14 Dec 2021 888th MeWhenI 🇻🇦 630 90 24 Oct 2024 889th JayXon 🇺🇸 630 110 3 Apr 2021 889th primo-ppcg 🇹🇭 630 110 2 Aug 2021 889th Lydxn 🇨🇦 630 110 28 Feb 2022 889th nwellnhof 🇩🇪 630 110 13 Jul 2022 893rd NewDefectus 🇮🇱 629 59 25 Oct 2021 894th janbehrens 🇩🇪 627 136 9 Jul 2021 895th janbehrens 🇩🇪 624 111 21 Oct 2021 895th Irratix 🇳🇱 624 111 18 Dec 2022 895th Steffan153 🇫🇮 624 111 10 Feb 2023 895th stefangimmillaro 624 111 18 Sep 2023 899th Shanethegamer 🇺🇸 623 64 26 Jul 2023 900th twocatsinatrenchcoat 623 79 29 Mar 2022 Prev 826–900 of 1,754 Next