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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 Omega65536 🇩🇪 727 103 143ms 24 Nov 2022 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 24 days ago 810th Mabeloid 🇳🇴 723 64 398ms 17 Sep 2024 811th Yewzir 🇧🇪 723 91 2ms 28 Mar 2024 812th elgan65536 🇺🇸 720 104 161ms 7 Feb 2026 813th GolfingSuccess 🇬🇷 719 33 50ms 22 Jul 2022 814th Shanethegamer 🇺🇸 719 74 2ms 18 May 2022 815th Alex-x90 🇺🇸 719 99 417ms 23 Jun 2022 816th MeWhenI 🇻🇦 718 75 9ms 9 Oct 2023 817th prplz 🇦🇺 718 91 118ms 25 Jan 2021 818th igmcdowell 717 65 11ms 23 Nov 2021 819th marshallward 🇺🇸 717 100 50ms 7 May 2025 820th tatzyr 🇯🇵 716 59 37ms 29 Dec 2024 821st edsrzf 🇳🇿 716 92 533ms 4 days ago 822nd prplz 🇦🇺 715 52 3ms 5 Feb 2021 823rd NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 824th abailey2020 🇺🇸 714 69 12ms 19 Feb 2021 824th Anonymousellama21 714 69 11ms 15 May 2022 824th TaserTheFox 🇺🇸 714 69 49ms 16 Feb 2023 824th Jacob385 714 69 46ms 22 Apr 2024 828th emgordon154 714 80 2,695ms 9 Aug 2025 829th marcin7Cd 712 103 23ms 12 Feb 2021 830th aadenboy 🇺🇸 711 86 2ms 16 Dec 2025 831st MeWhenI 🇻🇦 711 90 1,474ms 14 Jun 2023 832nd Feniske 🇫🇷 710 51 287ms 21 Nov 2023 833rd CaedenHarper 🇨🇦 710 84 432ms 17 Oct 2025 834th chordowl 710 92 116ms 17 Mar 2021 835th rucin93 🇵🇱 708 60 127ms 9 Aug 2024 836th omurakazuaki 🇯🇵 707 66 11ms 18 Feb 2021 836th BambooleanLogic 🇸🇪 707 66 10ms 22 Aug 2022 836th coreynash 707 66 10ms 21 Oct 2023 836th two-bad 🇬🇧 707 66 13ms 24 Nov 2023 836th dylanarmstrong 707 66 12ms 15 Jan 2024 836th madeforlosers 707 66 12ms 5 Nov 2025 842nd typeswitch-dev 🇵🇹 707 74 8ms 7 Aug 2023 843rd msbranicky 705 65 1,395ms 12 Sep 2023 844th Herbert00709 🇵🇱 705 101 62ms 19 Nov 2024 845th MeWhenI 🇻🇦 705 238 12ms 29 Aug 2023 846th SnowballSH 704 60 40ms 12 Feb 2021 846th aksyristos 704 60 43ms 28 Feb 2023 846th Lv0Sys 🇵🇱 704 60 42ms 4 Dec 2025 849th osmith93 704 70 24ms 14 Jun 2021 849th ridingqwerty 🇺🇸 704 70 12ms 23 Feb 2024 849th mbittner20 704 70 11ms 15 Jul 2024 849th RaBa21 🇭🇺 704 70 13ms 18 Jul 2025 853rd Shanethegamer 🇺🇸 704 91 39ms 16 Jun 2022 854th primo-ppcg 🇹🇭 703 47 26ms 5 Feb 2022 855th UnderKoen 🇳🇱 702 134 13ms 20 Jan 2025 856th jared-hughes 700 44 6ms 31 Jul 2022 857th NewDefectus 🇮🇱 700 76 2ms 25 Oct 2021 857th JohandeRuiter 🇳🇱 700 76 2ms 3 Dec 2023 857th madex 🇩🇪 700 76 2ms 20 days ago 860th Shanethegamer 🇺🇸 700 77 13ms 9 Oct 2023 861st jared-hughes 700 162 1,711ms 12 days ago 862nd targrik 699 123 338ms 10 Jul 2025 863rd AlephSquirrel 698 34 50ms 30 Dec 2022 864th targrik 696 57 6ms 26 Aug 2025 865th neihousaigaai 696 67 11ms 10 Apr 2021 865th solisolu 696 67 11ms 2 days ago 867th prestosilver 🇺🇸 696 163 1,655ms 2 days ago 868th boxjelly 695 94 114ms 21 Jan 2021 868th YAJUE114514 695 94 130ms 24 Jul 2025 870th SnowballSH 694 71 12ms 12 Feb 2021 870th Andre3582 694 71 13ms 18 Mar 2021 870th PhysicDev 🇫🇷 694 71 11ms 20 May 2021 870th Alban-Boissard 694 71 14ms 10 Jun 2025 874th Espiobest 692 61 39ms 13 Feb 2021 874th DaCuteRaccoon 692 61 44ms 9 Dec 2022 876th msbranicky 692 95 5ms 11 Aug 2023 877th msbranicky 691 67 515ms 17 Jan 2024 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 Stockoh 🇫🇷 681 68 476ms 24 Jun 2024 889th JunkIce 681 68 407ms 3 Dec 2024 891st dokutan 679 59 3ms 18 Jul 2025 892nd jared-hughes 678 35 50ms 31 Jul 2022 892nd Natanaelel 🇸🇪 678 35 50ms 18 Aug 2022 892nd CaedenHarper 🇨🇦 678 35 52ms 29 Mar 2026 895th GolfingSuccess 🇬🇷 678 69 33ms 17 Aug 2024 896th Yewzir 🇧🇪 678 88 398ms 14 Oct 2023 897th SirBogman 🇺🇸 676 44 231ms 22 Oct 2021 898th richard-oelze 🇩🇪 675 73 31ms 4 Apr 2021 898th mauro-1 🇮🇹 675 73 10ms 18 Aug 2021 898th gchenfc 675 73 18ms 24 Jan 2022 First Prev 801–900 of 2,011 Next Last