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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 901st Maznek 638 73 10ms 30 Jun 2023 902nd MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 903rd janbehrens 🇩🇪 636 135 271ms 13 Jun 2021 904th Shanethegamer 🇺🇸 635 57 213ms 27 Jul 2023 905th sreyfe 635 119 166ms 9 Jun 2024 906th MateuszPietrzak 🇵🇱 634 112 59ms 16 Jan 2024 907th DialFrost 🇸🇬 633 67 129ms 3 Aug 2024 908th dokutan 633 94 346ms 18 Jul 2025 909th AkashTandon167 632 78 10ms 25 May 2021 909th jhpaques 🇫🇷 632 78 21ms 30 Nov 2022 911th SirBogman 🇺🇸 632 84 2ms 14 Dec 2021 912th MeWhenI 🇻🇦 632 90 2,869ms 24 Oct 2024 913th emgordon154 632 186 913ms 30 May 2025 914th NewDefectus 🇮🇱 630 59 10ms 25 Oct 2021 915th janbehrens 🇩🇪 629 136 27ms 9 Jul 2021 916th Shanethegamer 🇺🇸 624 64 2ms 26 Jul 2023 917th twocatsinatrenchcoat 624 79 9ms 29 Mar 2022 917th SniperSmiley 🇺🇸 624 79 36ms 23 Jun 2022 917th Glinte 624 79 16ms 14 Dec 2023 917th Bmrl7 624 79 13ms 19 Mar 2024 921st CaedenHarper 🇨🇦 624 107 357ms 6 Oct 2025 922nd MeWhenI 🇻🇦 622 101 14ms 9 May 2024 923rd edsrzf 🇳🇿 622 138 256ms 21 Dec 2024 924th emgordon154 622 151 8ms 6 Oct 2024 925th janbehrens 🇩🇪 620 68 42ms 18 Jan 2021 926th ovs-code 🇩🇪 619 48 143ms 2 Jan 2024 927th Yewzir 🇧🇪 619 64 4ms 16 Nov 2023 928th MeWhenI 🇻🇦 619 106 350ms 26 Aug 2023 929th dokutan 618 106 12ms 24 Mar 2025 930th AkashTandon167 617 86 2ms 25 May 2021 931st bastienvoirin 🇫🇷 616 80 14ms 4 Feb 2021 931st argusdusty 🇺🇸 616 80 17ms 25 Mar 2021 931st OppositeShark 616 80 11ms 9 Apr 2022 931st WillowWispy 616 80 10ms 16 Mar 2025 935th Shanethegamer 🇺🇸 614 85 4ms 21 Dec 2024 936th codename68 614 123 144ms 13 Aug 2022 937th orthoplex 🇨🇽 613 153 17ms 25 Jun 2023 938th Shanethegamer 🇺🇸 612 192 845ms 2 Apr 2025 939th ashtraypettingzoo 🇺🇸 611 36 35ms 23 Feb 2023 940th omurakazuaki 🇯🇵 611 69 41ms 19 Feb 2021 941st Shanethegamer 🇺🇸 610 65 6ms 2 Aug 2022 942nd Herbert00709 🇵🇱 610 87 2ms 19 Nov 2024 943rd albanian-laundromat 610 105 39ms 3 Sep 2025 944th JRaspass 🇬🇧 609 61 3ms 5 Sep 2021 945th vodker1 608 81 10ms 9 Mar 2022 945th tooningelaere 608 81 9ms 5 Dec 2022 947th primo-ppcg 🇹🇭 607 110 295ms 2 Aug 2021 947th Lydxn 🇨🇦 607 110 297ms 28 Feb 2022 949th AbhayAravinda 605 77 9ms 1 May 2021 950th KevinMarquette 🇺🇸 603 60 226ms 21 Oct 2021 951st Natanaelel 🇸🇪 603 88 2ms 9 May 2024 952nd snoozingnewt 🇺🇸 602 70 45ms 10 Oct 2025 953rd ovs-code 🇩🇪 602 80 848ms 5 May 2023 954th janbehrens 🇩🇪 602 111 304ms 21 Oct 2021 954th Irratix 🇳🇱 602 111 316ms 18 Dec 2022 954th Steffan153 🇫🇮 602 111 304ms 10 Feb 2023 957th fynnkroeger 601 82 10ms 24 Mar 2021 957th BrenSchaap 601 82 11ms 21 Oct 2021 957th MichaelMBradley 🇨🇦 601 82 9ms 18 Feb 2022 960th MeWhenI 🇻🇦 600 66 5ms 29 May 2023 961st Shanethegamer 🇺🇸 599 62 4ms 8 Dec 2021 962nd Mabeloid 🇳🇴 599 126 150ms 26 Oct 2025 963rd MeWhenI 🇻🇦 598 71 132ms 3 Aug 2024 964th GrayJoKing 🇦🇺 598 172 3ms 18 Jan 2021 965th BBoehm 🇩🇪 597 78 9ms 26 Jan 2021 965th KatieLG 🇬🇧 597 78 9ms 16 Apr 2021 967th prplz 🇦🇺 596 112 304ms 1 Jun 2021 968th KatieLG 🇬🇧 595 77 235ms 2 Oct 2022 969th Brianzhengca 594 83 10ms 1 Feb 2021 969th hymanimy 594 83 11ms 24 Aug 2021 969th nullie 594 83 10ms 9 Jun 2022 969th a-penton 594 83 11ms 22 Sep 2022 973rd KatieLG 🇬🇧 594 115 95ms 14 Jan 2023 974th msbranicky 594 123 19ms 29 Aug 2023 975th HumanoidCPU 593 71 62ms 3 Jun 2024 First Prev 901–975 of 1,854 Next Last