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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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 825th LukasFolwarczny 🇨🇿 684 72 10ms 16 Sep 2022 825th CutSandstone 684 72 41ms 8 Jul 2024 828th msbranicky 683 89 2ms 26 Sep 2023 829th Shanethegamer 🇺🇸 678 126 27ms 8 Jul 2021 830th dokutan 677 59 3ms 18 Jul 2025 831st jared-hughes 676 35 54ms 31 Jul 2022 831st Natanaelel 🇸🇪 676 35 48ms 18 Aug 2022 833rd SirBogman 🇺🇸 676 44 192ms 22 Oct 2021 834th Yewzir 🇧🇪 676 88 339ms 14 Oct 2023 835th richard-oelze 🇩🇪 675 73 37ms 4 Apr 2021 835th mauro-1 🇮🇹 675 73 10ms 18 Aug 2021 835th gchenfc 675 73 10ms 24 Jan 2022 835th hiichbindermax 675 73 11ms 26 Feb 2022 835th Omega65536 🇩🇪 675 73 13ms 24 Nov 2022 835th sandorstormen 675 73 12ms 18 Feb 2023 835th Mr-McChicken 675 73 12ms 15 Oct 2023 835th Masttest 675 73 10ms 21 Feb 2024 843rd msbranicky 674 80 5ms 11 Oct 2023 844th dokutan 674 99 424ms 24 Sep 2025 845th janbehrens 🇩🇪 673 68 1,067ms 9 Apr 2021 846th madex 🇩🇪 672 79 2ms 11 Jul 2024 847th rboath 671 58 121ms 8 Jan 2025 848th 5quiwyrm 670 54 223ms 5 Dec 2024 849th I-Love-47 🇺🇦 669 106 62ms 10 Feb 2022 850th CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 851st jameslindesay 666 74 12ms 24 Feb 2021 851st PkmnQ 666 74 50ms 5 May 2024 851st RedzGoose 🇦🇺 666 74 11ms 14 Oct 2024 851st yokasuretsu 666 74 12ms 13 Jan 2025 855th snoozingnewt 🇺🇸 666 98 112ms 7 hours ago 856th Natanaelel 🇸🇪 663 56 5ms 20 Jan 2024 857th MeWhenI 🇻🇦 663 69 383ms 15 Feb 2023 857th MarcMush 🇫🇷 663 69 311ms 12 Feb 2024 857th Yewzir 🇧🇪 663 69 421ms 5 Apr 2024 860th DialFrost 🇸🇬 663 75 112ms 3 Jun 2025 861st 77Tigers 662 114 149ms 9 Apr 2024 862nd Trunksistor 🇫🇷 657 75 15ms 25 May 2022 862nd celiendonze 🇨🇭 657 75 13ms 16 Jun 2023 862nd qwjhvbxi 657 75 11ms 9 Feb 2024 862nd wenbang24 657 75 14ms 6 Apr 2024 866th SirBogman 🇺🇸 657 108 61ms 3 Jan 2022 867th uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 867th olleicua 🇺🇸 656 71 13ms 20 Feb 2024 869th annaproxy 656 91 99ms 13 Jan 2023 870th dokutan 654 69 1,354ms 30 Aug 2025 871st emgordon154 653 65 156ms 6 Sep 2024 872nd AdrienHache 🇫🇷 653 91 333ms 31 Dec 2023 873rd olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 874th boxjelly 648 65 37ms 11 Feb 2021 874th msbranicky 648 65 43ms 12 Sep 2023 876th Waffle3z 648 76 13ms 20 Jan 2021 876th hellwue 648 76 13ms 16 Nov 2023 876th yuchuehw 648 76 18ms 18 Jan 2024 879th Bubbler-4 648 97 77ms 13 Sep 2023 879th Shanethegamer 🇺🇸 648 97 13ms 22 Dec 2023 881st jwhear 🇺🇸 646 171 1,766ms 1 Oct 2024 882nd johnnythedoggie 644 106 135ms 3 Mar 2021 883rd emgordon154 641 98 11ms 10 Dec 2024 884th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 885th f-tucker 640 77 11ms 2 Feb 2024 885th undefinedRyan 640 77 12ms 19 Apr 2025 885th Emutis 🇱🇹 640 77 12ms 12 Sep 2025 888th NickTheEASDude 🇺🇸 640 95 2ms 1 Jul 2024 889th alomiF 640 102 139ms 4 Nov 2024 890th msbranicky 640 134 280ms 3 Oct 2023 891st Maznek 638 73 13ms 30 Jun 2023 892nd MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 893rd Shanethegamer 🇺🇸 635 57 212ms 27 Jul 2023 894th janbehrens 🇩🇪 635 135 262ms 13 Jun 2021 895th sreyfe 634 119 175ms 9 Jun 2024 896th DialFrost 🇸🇬 633 67 154ms 3 Aug 2024 897th MateuszPietrzak 🇵🇱 633 112 63ms 16 Jan 2024 898th AkashTandon167 632 78 12ms 25 May 2021 898th jhpaques 🇫🇷 632 78 20ms 30 Nov 2022 900th SirBogman 🇺🇸 632 84 2ms 14 Dec 2021 First Prev 826–900 of 1,801 Next Last