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 472nd namelessiw 850 58 30ms 27 Jul 2024 472nd edsrzf 🇳🇿 850 58 19ms 22 Nov 2024 472nd croc54 850 58 30ms 9 Jan 2025 472nd andrewjc2000 850 58 29ms 11 Mar 2025 472nd wuduculfre 850 58 29ms 22 Jul 2025 472nd robin-scragg 850 58 12ms 21 Oct 2025 487th sisyphus-ppcg 🇦🇺 850 89 121ms 25 Jan 2021 487th Bubbler-4 850 89 118ms 1 Jul 2021 489th MeWhenI 🇻🇦 849 65 7ms 24 Dec 2024 490th ovs-code 🇩🇪 849 73 67ms 17 Sep 2023 491st jared-hughes 848 55 9ms 31 Jul 2022 491st emgordon154 848 55 10ms 4 Mar 2025 493rd snoozingnewt 🇨🇦 847 44 111ms 9 Feb 2026 494th ovs-code 🇩🇪 847 81 458ms 15 Jun 2024 495th jared-hughes 847 84 58ms 31 Jul 2022 496th Steffan153 🇫🇮 847 112 6ms 13 days ago 496th GolfingSuccess 🇬🇷 847 112 19ms 13 days ago 498th emgordon154 847 131 1,613ms 29 Nov 2024 499th Shanethegamer 🇺🇸 845 77 84ms 9 Jun 2022 500th dokutan 844 47 5ms 18 Jul 2025 501st Shanethegamer 🇺🇸 844 50 36ms 22 Mar 2023 501st MeWhenI 🇻🇦 844 50 38ms 22 Mar 2023 503rd MeWhenI 🇻🇦 843 57 458ms 17 Jan 2024 503rd SirBogman 🇺🇸 843 57 423ms 10 Jun 2024 503rd CaedenHarper 🇨🇦 843 57 381ms 9 Dec 2025 506th Steffan153 🇫🇮 843 63 2ms 23 Mar 2023 506th stefangimmillaro 843 63 2ms 18 Sep 2023 506th xsot 🇸🇬 843 63 2ms 6 May 2025 506th KasperKivimaeki 🇫🇮 843 63 2ms 14 Aug 2025 510th MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 511th btnlq 841 43 267ms 26 Jan 2021 511th primo-ppcg 🇹🇭 841 43 279ms 25 May 2021 513th primo-ppcg 🇹🇭 841 87 29ms 25 Jan 2023 514th DialFrost 🇸🇬 841 132 1,650ms 17 Jan 2026 515th fuzzylojik-golf 🇺🇸 840 22 3ms 6 Sep 2025 516th acotis 840 90 136ms 3 Oct 2025 517th primo-ppcg 🇹🇭 837 85 59ms 18 Jan 2022 517th 09cf 837 85 58ms 24 Sep 2023 519th marcin7Cd 835 59 10ms 16 Jan 2021 519th AlephSquirrel 835 59 11ms 13 May 2021 519th rschwa6308 🇺🇸 835 59 10ms 28 Jun 2021 519th NewDefectus 🇮🇱 835 59 12ms 25 Oct 2021 519th jacksonhenry3 835 59 13ms 21 Dec 2021 519th NicoAdams 835 59 12ms 21 Dec 2021 519th yzhs 🇩🇪 835 59 12ms 7 Jun 2022 519th aksyristos 835 59 10ms 28 Feb 2023 519th BREMAUCY 🇫🇷 835 59 11ms 27 Apr 2023 519th MarcMush 🇫🇷 835 59 10ms 12 Feb 2024 519th CommandLeo 🇮🇹 835 59 11ms 18 Jan 2026 519th pengu1n-master 835 59 11ms 10 Feb 2026 531st GrayJoKing 🇦🇺 833 57 36ms 5 Sep 2024 532nd MeWhenI 🇻🇦 832 56 10ms 8 Jun 2022 532nd Yewzir 🇧🇪 832 56 10ms 16 Nov 2023 532nd voytxt 🇨🇿 832 56 9ms 25 Jan 2025 532nd targrik 832 56 10ms 21 Feb 2025 536th sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 537th kritixilithos 831 58 3ms 29 May 2024 538th primo-ppcg 🇹🇭 831 77 1,386ms 30 Nov 2021 539th inventshah 830 64 2ms 17 Nov 2022 539th DialFrost 🇸🇬 830 64 2ms 7 Nov 2025 541st Kacarott 🇦🇺 829 58 403ms 15 Jan 2024 541st Natanaelel 🇸🇪 829 58 445ms 20 Jan 2024 541st AlephSquirrel 829 58 467ms 21 Jan 2024 541st namelessiw 829 58 402ms 15 Aug 2024 545th sisyphus-ppcg 🇦🇺 829 60 148ms 25 Feb 2021 546th Irratix 🇳🇱 828 51 34ms 4 Mar 2022 547th GrayJoKing 🇦🇺 827 65 4ms 9 Nov 2023 548th Yewzir 🇧🇪 826 83 486ms 16 Nov 2023 549th MeWhenI 🇻🇦 825 104 278ms 8 Feb 2023 550th MeWhenI 🇻🇦 824 78 119ms 14 Oct 2022 551st Shanethegamer 🇺🇸 823 83 97ms 19 Apr 2022 552nd GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 552nd MeWhenI 🇻🇦 822 81 120ms 15 Nov 2022 554th AGoyet 821 60 13ms 29 Jun 2022 554th betaveros 821 60 20ms 31 Dec 2022 554th AlexanderFair 821 60 11ms 23 Jun 2023 554th Andriamanitra 🇫🇮 821 60 14ms 20 Jul 2023 554th dranjohn 821 60 47ms 15 Sep 2023 554th inverseLorentz 🇦🇺 821 60 11ms 9 Apr 2024 554th 051 🇸🇬 821 60 11ms 1 Aug 2024 First Prev 481–560 of 1,929 Next Last