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 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 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 481st MeWhenI 🇻🇦 853 70 412ms 21 Nov 2021 482nd ovs-code 🇩🇪 853 73 67ms 17 Sep 2023 483rd Shanethegamer 🇺🇸 852 77 82ms 9 Jun 2022 484th sisyphus-ppcg 🇦🇺 852 89 121ms 25 Jan 2021 484th Bubbler-4 852 89 120ms 1 Jul 2021 486th Espiobest 850 58 11ms 13 Mar 2021 486th fgrosshans 🇫🇷 850 58 13ms 18 Jul 2022 486th MaxElf999 850 58 11ms 3 Oct 2022 486th Alex-x90 🇺🇸 850 58 31ms 23 Mar 2023 486th Natanaelel 🇸🇪 850 58 12ms 11 Apr 2023 486th InigoK 🇺🇸 850 58 32ms 28 May 2023 486th Kacarott 🇦🇺 850 58 36ms 13 Oct 2023 486th m42km 850 58 32ms 25 Nov 2023 486th NickTheEASDude 🇺🇸 850 58 31ms 1 Jul 2024 486th namelessiw 850 58 31ms 27 Jul 2024 486th croc54 850 58 30ms 9 Jan 2025 486th andrewjc2000 850 58 30ms 11 Mar 2025 486th wuduculfre 850 58 31ms 22 Jul 2025 486th robin-scragg 850 58 14ms 21 Oct 2025 500th ovs-code 🇩🇪 850 81 458ms 15 Jun 2024 501st jared-hughes 848 55 10ms 31 Jul 2022 501st emgordon154 848 55 11ms 4 Mar 2025 503rd jared-hughes 848 84 59ms 31 Jul 2022 504th Yewzir 🇧🇪 847 134 1,650ms 5 days ago 505th dokutan 845 47 5ms 18 Jul 2025 506th Shanethegamer 🇺🇸 845 50 40ms 22 Mar 2023 506th MeWhenI 🇻🇦 845 50 39ms 22 Mar 2023 508th MeWhenI 🇻🇦 845 76 37ms 16 Jun 2022 509th MeWhenI 🇻🇦 844 57 548ms 17 Jan 2024 509th SirBogman 🇺🇸 844 57 484ms 10 Jun 2024 509th CaedenHarper 🇨🇦 844 57 548ms 9 Dec 2025 512th Steffan153 🇫🇮 844 63 2ms 23 Mar 2023 512th stefangimmillaro 844 63 2ms 18 Sep 2023 512th xsot 🇸🇬 844 63 2ms 6 May 2025 512th KasperKivimaeki 🇫🇮 844 63 2ms 14 Aug 2025 516th primo-ppcg 🇹🇭 844 87 30ms 25 Jan 2023 517th btnlq 843 43 262ms 26 Jan 2021 517th primo-ppcg 🇹🇭 843 43 255ms 25 May 2021 519th acotis 843 90 130ms 3 Oct 2025 520th emgordon154 841 78 76ms 12 days ago 521st fuzzylojik-golf 🇺🇸 840 22 3ms 6 Sep 2025 522nd primo-ppcg 🇹🇭 838 85 59ms 18 Jan 2022 522nd 09cf 838 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 12 days ago 537th sean-niemann 🇺🇸 834 77 41ms 18 Dec 2023 538th MeWhenI 🇻🇦 833 56 10ms 8 Jun 2022 538th Yewzir 🇧🇪 833 56 11ms 16 Nov 2023 538th voytxt 🇨🇿 833 56 11ms 25 Jan 2025 538th targrik 833 56 11ms 21 Feb 2025 542nd kritixilithos 833 58 3ms 29 May 2024 543rd primo-ppcg 🇹🇭 833 77 1,534ms 30 Nov 2021 544th sisyphus-ppcg 🇦🇺 831 60 148ms 25 Feb 2021 545th inventshah 831 64 2ms 17 Nov 2022 545th DialFrost 🇸🇬 831 64 2ms 7 Nov 2025 547th GrayJoKing 🇦🇺 830 65 4ms 9 Nov 2023 548th Kacarott 🇦🇺 829 58 461ms 15 Jan 2024 548th Natanaelel 🇸🇪 829 58 473ms 20 Jan 2024 548th AlephSquirrel 829 58 411ms 21 Jan 2024 548th namelessiw 829 58 509ms 15 Aug 2024 552nd Yewzir 🇧🇪 829 83 469ms 16 Nov 2023 553rd Irratix 🇳🇱 828 51 39ms 4 Mar 2022 554th Shanethegamer 🇺🇸 828 83 100ms 19 Apr 2022 555th emgordon154 828 137 1,675ms 8 days ago 556th MeWhenI 🇻🇦 827 78 112ms 14 Oct 2022 557th GrayJoKing 🇦🇺 827 81 120ms 14 Mar 2022 557th MeWhenI 🇻🇦 827 81 120ms 15 Nov 2022 559th MeWhenI 🇻🇦 827 104 333ms 8 Feb 2023 560th Steffan153 🇫🇮 826 110 6ms 7 days ago First Prev 481–560 of 2,085 Next Last