Kolakoski Sequence in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 721st Waffle3z 764 61 11ms 20 Jan 2021 721st didion0 🇺🇸 764 61 11ms 9 Feb 2021 721st KrausRaus 🇺🇸 764 61 12ms 19 Feb 2021 721st tayloia 🇬🇧 764 61 10ms 29 May 2022 725th DialFrost 🇸🇬 764 86 5ms 10 Oct 2023 726th albanian-laundromat 🇺🇸 763 60 1,006ms 1 Oct 2025 727th edsrzf 🇳🇿 763 96 10ms 4 days ago 728th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 728th strout 760 86 124ms 15 Dec 2023 730th c0d3-4-F00d 🇩🇪 759 70 2ms 18 Mar 2022 730th Alex-x90 🇺🇸 759 70 2ms 6 Mar 2023 730th dokutan 759 70 2ms 18 Jul 2025 733rd GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 733rd Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 735th duckyluuk 🇳🇱 759 73 8ms 16 Dec 2024 736th edsrzf 🇳🇿 759 82 8ms 20 Mar 2026 737th TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 737th 77Tigers 758 65 33ms 1 Mar 2021 737th knutae 🇳🇴 758 65 12ms 29 Jun 2021 737th ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 737th guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 737th martinnorling 🇸🇪 758 65 11ms 8 Mar 2022 737th IshanPanpaliya 758 65 11ms 3 May 2023 737th nooberitess 758 65 12ms 8 Apr 2025 737th madeforlosers 758 65 13ms 15 days ago 746th ovs-code 🇩🇪 755 87 110ms 8 Mar 2024 747th RockOfStone 754 81 2ms 4 Nov 2021 747th dokutan 754 81 2ms 18 Jul 2025 749th ScottHamper 752 62 11ms 1 Jun 2021 749th helbling 🇨🇭 752 62 11ms 2 Oct 2024 751st edsrzf 🇳🇿 752 91 7ms 20 Mar 2026 752nd Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 753rd Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 754th cipharius 751 87 169ms 19 Jan 2021 755th CaedenHarper 🇨🇦 750 61 1,009ms 11 Feb 2026 756th Yewzir 🇧🇪 749 71 2ms 14 Oct 2023 757th m-ender 🇩🇪 748 89 174ms 23 Apr 2021 758th emgordon154 748 115 27ms 24 days ago 759th ArmaanAS 747 66 12ms 4 Apr 2021 759th quimey 747 66 11ms 23 Jun 2023 759th firegene 🇮🇪 747 66 25ms 24 Feb 2026 762nd sean-niemann 🇺🇸 746 57 139ms 17 Jun 2025 763rd primo-ppcg 🇹🇭 744 40 161ms 22 Apr 2022 764th Shanethegamer 🇺🇸 743 63 4ms 13 Aug 2024 764th emgordon154 743 63 4ms 25 Aug 2024 766th kg583 🇺🇸 743 85 40ms 13 Feb 2025 766th edsrzf 🇳🇿 743 85 37ms 4 days ago 768th ScottHamper 743 90 502ms 30 Nov 2025 769th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 770th emgordon154 741 32 47ms 19 Oct 2025 771st jared-hughes 741 57 44ms 9 Sep 2022 772nd olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 772nd GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 774th AlephSquirrel 740 99 10ms 18 Jan 2025 775th DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 776th janbehrens 🇩🇪 739 93 460ms 24 Mar 2022 777th Yewzir 🇧🇪 738 62 1,121ms 16 Nov 2025 778th MeWhenI 🇻🇦 737 154 1,898ms 7 days ago 779th msbranicky 736 67 15ms 21 Aug 2023 779th Matter1024 🇮🇳 736 67 13ms 24 days ago 781st MeWhenI 🇻🇦 736 93 4ms 22 May 2023 782nd Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 783rd primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 783rd CaedenHarper 🇨🇦 735 117 328ms 11 Feb 2026 785th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 785th annaproxy 734 89 148ms 17 Aug 2022 785th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 785th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 789th Shanethegamer 🇺🇸 731 88 117ms 15 Oct 2022 790th dvik72 729 64 11ms 1 Jun 2022 790th AlephSquirrel 729 64 12ms 16 Feb 2023 792nd elgan65536 🇺🇸 729 104 161ms 7 Feb 2026 793rd dokutan 729 118 25ms 18 Jul 2025 794th annaproxy 728 58 44ms 24 Oct 2023 795th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 796th KatieLG 🇬🇧 727 63 1,496ms 25 Apr 2021 797th ovs-code 🇩🇪 727 72 12ms 16 Jul 2023 798th arctouch-cristiannevianna 727 82 438ms 22 Nov 2023 799th yzhs 🇩🇪 726 90 117ms 24 Jul 2021 800th Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 First Prev 721–800 of 2,028 Next Last