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 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 826th NewDefectus 🇮🇱 688 32 38ms 20 Dec 2021 827th GolfingSuccess 🇬🇷 688 69 35ms 17 Aug 2024 828th Andriamanitra 🇫🇮 687 95 186ms 20 Jul 2023 829th KasperKivimaeki 🇫🇮 687 125 258ms 3 Oct 2025 830th LeeCamp 684 72 10ms 16 Feb 2022 830th LukasFolwarczny 🇨🇿 684 72 10ms 16 Sep 2022 830th CutSandstone 684 72 41ms 8 Jul 2024 833rd msbranicky 683 89 2ms 26 Sep 2023 834th Shanethegamer 🇺🇸 678 126 27ms 8 Jul 2021 835th dokutan 677 59 3ms 18 Jul 2025 836th jared-hughes 676 35 54ms 31 Jul 2022 836th Natanaelel 🇸🇪 676 35 48ms 18 Aug 2022 838th SirBogman 🇺🇸 676 44 192ms 22 Oct 2021 839th Yewzir 🇧🇪 676 88 339ms 14 Oct 2023 840th richard-oelze 🇩🇪 675 73 37ms 4 Apr 2021 840th mauro-1 🇮🇹 675 73 10ms 18 Aug 2021 840th gchenfc 675 73 10ms 24 Jan 2022 840th hiichbindermax 675 73 11ms 26 Feb 2022 840th Omega65536 🇩🇪 675 73 13ms 24 Nov 2022 840th sandorstormen 675 73 12ms 18 Feb 2023 840th Mr-McChicken 675 73 12ms 15 Oct 2023 840th Masttest 675 73 10ms 21 Feb 2024 848th msbranicky 674 80 5ms 11 Oct 2023 849th dokutan 674 99 424ms 24 Sep 2025 850th janbehrens 🇩🇪 673 68 1,067ms 9 Apr 2021 851st madex 🇩🇪 672 79 2ms 11 Jul 2024 852nd rboath 671 58 82ms 8 Jan 2025 853rd 5quiwyrm 670 54 223ms 5 Dec 2024 854th I-Love-47 🇺🇦 670 106 55ms 10 Feb 2022 855th CaedenHarper 🇨🇦 666 70 10ms 31 Jan 2025 856th jameslindesay 666 74 12ms 24 Feb 2021 856th PkmnQ 666 74 50ms 5 May 2024 856th RedzGoose 🇦🇺 666 74 11ms 14 Oct 2024 856th yokasuretsu 666 74 12ms 13 Jan 2025 860th snoozingnewt 🇺🇸 666 98 112ms 8 days ago 861st Natanaelel 🇸🇪 663 56 5ms 20 Jan 2024 862nd MeWhenI 🇻🇦 663 69 383ms 15 Feb 2023 862nd MarcMush 🇫🇷 663 69 311ms 12 Feb 2024 862nd Yewzir 🇧🇪 663 69 421ms 5 Apr 2024 865th DialFrost 🇸🇬 663 75 112ms 3 Jun 2025 866th 77Tigers 662 114 137ms 9 Apr 2024 867th Trunksistor 🇫🇷 657 75 15ms 25 May 2022 867th celiendonze 🇨🇭 657 75 13ms 16 Jun 2023 867th qwjhvbxi 657 75 11ms 9 Feb 2024 867th wenbang24 657 75 14ms 6 Apr 2024 871st SirBogman 🇺🇸 657 108 57ms 3 Jan 2022 872nd uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 872nd olleicua 🇺🇸 656 71 13ms 20 Feb 2024 874th annaproxy 656 91 99ms 13 Jan 2023 875th dokutan 654 69 1,354ms 30 Aug 2025 876th AdrienHache 🇫🇷 654 91 333ms 31 Dec 2023 877th emgordon154 653 65 137ms 6 Sep 2024 878th olivermrose 🇺🇸 651 57 4ms 24 Aug 2021 879th boxjelly 648 65 37ms 11 Feb 2021 879th msbranicky 648 65 43ms 12 Sep 2023 881st Waffle3z 648 76 13ms 20 Jan 2021 881st hellwue 648 76 13ms 16 Nov 2023 881st yuchuehw 648 76 18ms 18 Jan 2024 884th Bubbler-4 648 97 77ms 13 Sep 2023 884th Shanethegamer 🇺🇸 648 97 13ms 22 Dec 2023 886th jwhear 🇺🇸 647 171 1,766ms 1 Oct 2024 887th johnnythedoggie 644 106 108ms 3 Mar 2021 888th emgordon154 641 98 11ms 10 Dec 2024 889th msbranicky 641 134 266ms 3 Oct 2023 890th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 891st f-tucker 640 77 11ms 2 Feb 2024 891st undefinedRyan 640 77 12ms 19 Apr 2025 891st Emutis 🇱🇹 640 77 12ms 12 Sep 2025 894th NickTheEASDude 🇺🇸 640 95 2ms 1 Jul 2024 895th alomiF 640 102 139ms 4 Nov 2024 896th Maznek 638 73 13ms 30 Jun 2023 897th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 898th janbehrens 🇩🇪 636 135 272ms 13 Jun 2021 899th Shanethegamer 🇺🇸 635 57 212ms 27 Jul 2023 900th MateuszPietrzak 🇵🇱 634 112 55ms 16 Jan 2024 First Prev 826–900 of 1,810 Next Last