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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 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 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 500th emgordon154 848 55 11ms 4 Mar 2025 502nd ovs-code 🇩🇪 848 81 458ms 15 Jun 2024 503rd jared-hughes 847 84 59ms 31 Jul 2022 504th dokutan 845 47 5ms 18 Jul 2025 505th Shanethegamer 🇺🇸 844 50 40ms 22 Mar 2023 505th MeWhenI 🇻🇦 844 50 39ms 22 Mar 2023 507th Steffan153 🇫🇮 844 63 2ms 23 Mar 2023 507th stefangimmillaro 844 63 2ms 18 Sep 2023 507th xsot 🇸🇬 844 63 2ms 6 May 2025 507th KasperKivimaeki 🇫🇮 844 63 2ms 14 Aug 2025 511th Yewzir 🇧🇪 844 134 1,650ms 8 days ago 512th MeWhenI 🇻🇦 843 57 548ms 17 Jan 2024 512th SirBogman 🇺🇸 843 57 484ms 10 Jun 2024 512th CaedenHarper 🇨🇦 843 57 548ms 9 Dec 2025 515th btnlq 842 43 262ms 26 Jan 2021 515th primo-ppcg 🇹🇭 842 43 255ms 25 May 2021 517th MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 518th primo-ppcg 🇹🇭 842 87 30ms 25 Jan 2023 519th acotis 842 90 130ms 3 Oct 2025 520th fuzzylojik-golf 🇺🇸 840 22 3ms 6 Sep 2025 521st emgordon154 839 78 76ms 15 days ago 522nd primo-ppcg 🇹🇭 837 85 59ms 18 Jan 2022 522nd 09cf 837 85 66ms 24 Sep 2023 524th marcin7Cd 836 59 12ms 16 Jan 2021 524th AlephSquirrel 836 59 12ms 13 May 2021 524th rschwa6308 🇺🇸 836 59 11ms 28 Jun 2021 524th NewDefectus 🇮🇱 836 59 13ms 25 Oct 2021 524th jacksonhenry3 836 59 13ms 21 Dec 2021 524th NicoAdams 836 59 13ms 21 Dec 2021 524th yzhs 🇩🇪 836 59 11ms 7 Jun 2022 524th aksyristos 836 59 16ms 28 Feb 2023 524th BREMAUCY 🇫🇷 836 59 11ms 27 Apr 2023 524th MarcMush 🇫🇷 836 59 11ms 12 Feb 2024 524th CommandLeo 🇮🇹 836 59 12ms 18 Jan 2026 524th pengu1n-master 836 59 12ms 10 Feb 2026 524th retrohun 836 59 11ms 16 days ago 537th MeWhenI 🇻🇦 833 56 10ms 8 Jun 2022 537th Yewzir 🇧🇪 833 56 11ms 16 Nov 2023 537th voytxt 🇨🇿 833 56 11ms 25 Jan 2025 537th targrik 833 56 11ms 21 Feb 2025 541st kritixilithos 832 58 3ms 29 May 2024 542nd sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 543rd inventshah 831 64 2ms 17 Nov 2022 543rd DialFrost 🇸🇬 831 64 2ms 7 Nov 2025 545th primo-ppcg 🇹🇭 831 77 1,534ms 30 Nov 2021 546th sisyphus-ppcg 🇦🇺 830 60 148ms 25 Feb 2021 547th Kacarott 🇦🇺 829 58 461ms 15 Jan 2024 547th Natanaelel 🇸🇪 829 58 473ms 20 Jan 2024 547th AlephSquirrel 829 58 411ms 21 Jan 2024 547th namelessiw 829 58 509ms 15 Aug 2024 551st GrayJoKing 🇦🇺 829 65 4ms 9 Nov 2023 552nd Irratix 🇳🇱 828 51 39ms 4 Mar 2022 553rd Yewzir 🇧🇪 828 83 469ms 16 Nov 2023 554th Shanethegamer 🇺🇸 826 83 100ms 19 Apr 2022 555th MeWhenI 🇻🇦 826 104 333ms 8 Feb 2023 556th MeWhenI 🇻🇦 825 78 112ms 14 Oct 2022 557th GrayJoKing 🇦🇺 825 81 126ms 14 Mar 2022 557th MeWhenI 🇻🇦 825 81 130ms 15 Nov 2022 559th emgordon154 825 137 1,675ms 12 days ago 560th AGoyet 822 60 14ms 29 Jun 2022 560th betaveros 822 60 20ms 31 Dec 2022 560th AlexanderFair 822 60 11ms 23 Jun 2023 560th Andriamanitra 🇫🇮 822 60 13ms 20 Jul 2023 560th dranjohn 822 60 51ms 15 Sep 2023 560th inverseLorentz 🇦🇺 822 60 12ms 9 Apr 2024 560th 051 🇸🇬 822 60 12ms 1 Aug 2024 560th vgamula 🇺🇦 822 60 33ms 28 Jul 2025 560th LuisGoncalves05 🇵🇹 822 60 11ms 29 Jul 2025 560th luuumine 🇫🇷 822 60 11ms 20 Oct 2025 560th solisolu 822 60 11ms 1 Jan 2026 571st Steffan153 🇫🇮 822 110 6ms 10 days ago 572nd GrayJoKing 🇦🇺 821 57 36ms 5 Sep 2024 573rd m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 574th MeWhenI 🇻🇦 818 29 55ms 25 Aug 2022 575th NewDefectus 🇮🇱 818 57 10ms 1 Nov 2021 576th inventshah 818 59 2ms 18 May 2022 576th MeWhenI 🇻🇦 818 59 2ms 18 May 2022 578th prplz 🇦🇺 818 65 2ms 24 Jan 2021 578th sisyphus-ppcg 🇦🇺 818 65 2ms 25 Jan 2021 578th 09cf 818 65 2ms 24 Sep 2023 581st GrayJoKing 🇦🇺 818 84 466ms 28 Feb 2022 582nd ovs-code 🇩🇪 817 52 136ms 4 Aug 2024 583rd Yewzir 🇧🇪 816 61 148ms 16 Nov 2023 584th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 584th inventshah 816 66 2ms 22 Oct 2023 586th duckyluuk 🇳🇱 816 70 2,403ms 28 Oct 2024 586th jkelly467 816 70 2,392ms 22 Dec 2025 588th MeWhenI 🇻🇦 815 27 33ms 16 Mar 2022 589th BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 590th janlelis 812 52 42ms 18 Jan 2021 590th hiddicop 🇸🇪 812 52 42ms 29 Jan 2021 590th prplz 🇦🇺 812 52 40ms 22 Apr 2021 590th anter69 🇭🇺 812 52 40ms 14 Jan 2022 590th OhmNomNom 812 52 83ms 12 Oct 2022 590th DialFrost 🇸🇬 812 52 42ms 2 Feb 2023 590th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 590th emgordon154 812 52 43ms 26 Nov 2024 598th GolfingSuccess 🇬🇷 812 81 9ms 9 Sep 2022 599th FortuiteMan 🇫🇷 812 82 13ms 16 Jan 2026 600th m-tkach 🇺🇦 812 106 25ms 25 Apr 2022 First Prev 501–600 of 2,004 Next Last