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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 801st arctouch-cristiannevianna 727 82 385ms 22 Nov 2023 802nd yzhs 🇩🇪 726 90 117ms 24 Jul 2021 803rd Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 803rd Bonjour27891 🇻🇳 725 68 39ms 1 Sep 2022 803rd trist224 🇫🇷 725 68 49ms 18 Oct 2022 803rd mousetail 🇳🇱 725 68 33ms 11 Aug 2023 803rd Command-Master 725 68 39ms 24 Sep 2023 803rd JunkIce 725 68 19ms 24 Nov 2024 803rd madex 🇩🇪 725 68 26ms 22 days ago 810th Yewzir 🇧🇪 723 91 2ms 28 Mar 2024 811th GolfingSuccess 🇬🇷 719 33 50ms 22 Jul 2022 812th Shanethegamer 🇺🇸 719 74 2ms 18 May 2022 813th Alex-x90 🇺🇸 719 99 417ms 23 Jun 2022 814th MeWhenI 🇻🇦 718 75 8ms 9 Oct 2023 815th prplz 🇦🇺 718 91 118ms 25 Jan 2021 816th igmcdowell 717 65 10ms 23 Nov 2021 817th msbranicky 717 67 515ms 17 Jan 2024 818th marshallward 🇺🇸 717 100 41ms 7 May 2025 819th tatzyr 🇯🇵 716 59 37ms 29 Dec 2024 820th edsrzf 🇳🇿 716 92 533ms 2 days ago 821st prplz 🇦🇺 715 52 3ms 5 Feb 2021 822nd NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 823rd abailey2020 🇺🇸 714 69 12ms 19 Feb 2021 823rd Anonymousellama21 714 69 11ms 15 May 2022 823rd TaserTheFox 🇺🇸 714 69 49ms 16 Feb 2023 823rd Jacob385 714 69 46ms 22 Apr 2024 827th emgordon154 714 80 2,720ms 9 Aug 2025 828th marcin7Cd 712 103 23ms 12 Feb 2021 829th aadenboy 🇺🇸 711 86 2ms 16 Dec 2025 830th MeWhenI 🇻🇦 711 90 1,474ms 14 Jun 2023 831st Feniske 🇫🇷 710 51 287ms 21 Nov 2023 832nd CaedenHarper 🇨🇦 710 84 432ms 17 Oct 2025 833rd chordowl 710 92 116ms 17 Mar 2021 834th rucin93 🇵🇱 708 60 127ms 9 Aug 2024 835th Stockoh 🇫🇷 707 68 476ms 24 Jun 2024 835th JunkIce 707 68 407ms 3 Dec 2024 837th typeswitch-dev 🇵🇹 707 74 8ms 7 Aug 2023 838th omurakazuaki 🇯🇵 706 66 11ms 18 Feb 2021 838th BambooleanLogic 🇸🇪 706 66 9ms 22 Aug 2022 838th coreynash 706 66 9ms 21 Oct 2023 838th two-bad 🇬🇧 706 66 14ms 24 Nov 2023 838th dylanarmstrong 706 66 9ms 15 Jan 2024 838th madeforlosers 706 66 11ms 5 Nov 2025 844th msbranicky 705 65 1,332ms 12 Sep 2023 845th Herbert00709 🇵🇱 705 101 62ms 19 Nov 2024 846th MeWhenI 🇻🇦 705 238 12ms 29 Aug 2023 847th SnowballSH 704 60 40ms 12 Feb 2021 847th aksyristos 704 60 43ms 28 Feb 2023 847th Lv0Sys 🇵🇱 704 60 42ms 4 Dec 2025 850th osmith93 704 70 24ms 14 Jun 2021 850th ridingqwerty 🇺🇸 704 70 12ms 23 Feb 2024 850th mbittner20 704 70 11ms 15 Jul 2024 850th RaBa21 🇭🇺 704 70 13ms 18 Jul 2025 854th Shanethegamer 🇺🇸 704 91 39ms 16 Jun 2022 855th primo-ppcg 🇹🇭 703 47 26ms 5 Feb 2022 856th UnderKoen 🇳🇱 702 134 13ms 20 Jan 2025 857th jared-hughes 700 44 6ms 31 Jul 2022 858th NewDefectus 🇮🇱 700 76 2ms 25 Oct 2021 858th JohandeRuiter 🇳🇱 700 76 2ms 3 Dec 2023 858th madex 🇩🇪 700 76 2ms 17 days ago 861st Shanethegamer 🇺🇸 700 77 13ms 9 Oct 2023 862nd jared-hughes 700 162 1,711ms 10 days ago 863rd targrik 699 123 338ms 10 Jul 2025 864th AlephSquirrel 698 34 50ms 30 Dec 2022 865th Jacob385 697 69 470ms 22 Apr 2024 866th targrik 696 57 5ms 26 Aug 2025 867th neihousaigaai 696 67 11ms 10 Apr 2021 868th prestosilver 🇺🇸 696 163 1,655ms 84 mins ago 869th boxjelly 695 94 114ms 21 Jan 2021 869th YAJUE114514 695 94 130ms 24 Jul 2025 871st SnowballSH 694 71 12ms 12 Feb 2021 871st Andre3582 694 71 13ms 18 Mar 2021 871st PhysicDev 🇫🇷 694 71 11ms 20 May 2021 871st Alban-Boissard 694 71 14ms 10 Jun 2025 875th Espiobest 692 61 39ms 13 Feb 2021 875th DaCuteRaccoon 692 61 44ms 9 Dec 2022 877th msbranicky 692 95 5ms 11 Aug 2023 878th JGDoerrer 691 103 457ms 5 Jan 2022 878th tailorspy 691 103 61ms 29 Oct 2023 880th Shanethegamer 🇺🇸 691 106 18ms 4 Oct 2024 881st NewDefectus 🇮🇱 688 32 34ms 20 Dec 2021 882nd Andriamanitra 🇫🇮 688 95 148ms 20 Jul 2023 883rd KasperKivimaeki 🇫🇮 688 125 346ms 3 Oct 2025 884th msbranicky 687 89 2ms 26 Sep 2023 885th LeeCamp 685 72 12ms 16 Feb 2022 885th LukasFolwarczny 🇨🇿 685 72 15ms 16 Sep 2022 885th CutSandstone 685 72 39ms 8 Jul 2024 888th Shanethegamer 🇺🇸 683 126 24ms 8 Jul 2021 889th dokutan 679 59 3ms 18 Jul 2025 890th jared-hughes 678 35 50ms 31 Jul 2022 890th Natanaelel 🇸🇪 678 35 50ms 18 Aug 2022 890th CaedenHarper 🇨🇦 678 35 52ms 29 Mar 2026 893rd GolfingSuccess 🇬🇷 678 69 33ms 17 Aug 2024 894th Yewzir 🇧🇪 678 88 398ms 14 Oct 2023 895th SirBogman 🇺🇸 676 44 231ms 22 Oct 2021 896th richard-oelze 🇩🇪 675 73 31ms 4 Apr 2021 896th mauro-1 🇮🇹 675 73 10ms 18 Aug 2021 896th gchenfc 675 73 18ms 24 Jan 2022 896th hiichbindermax 675 73 11ms 26 Feb 2022 896th Omega65536 🇩🇪 675 73 12ms 24 Nov 2022 First Prev 801–900 of 2,008 Next Last