Kolakoski Constant in all languages in bytes. 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 241st antimon2 🇯🇵 786 83 765ms 15 Oct 2022 242nd itsh01 784 88 10ms 14 Sep 2022 243rd sean-niemann 🇺🇸 784 121 514ms 22 Jul 2024 244th inventshah 782 87 11ms 28 Oct 2024 244th lifthrasiir 🇰🇷 782 87 12ms 15 Nov 2024 246th inventshah 782 139 2ms 17 Dec 2022 247th SirBogman 🇺🇸 781 54 10ms 22 Feb 2024 248th GrayJoKing 🇦🇺 780 112 122ms 21 Jan 2021 249th blaztoma 🇱🇹 778 73 38ms 23 Oct 2025 250th DialFrost 🇸🇬 778 77 1,021ms 16 Sep 2025 251st emgordon154 777 51 58ms 18 Nov 2025 252nd prplz 🇦🇺 775 89 10ms 8 Feb 2021 252nd dmrichwa 🇺🇸 775 89 16ms 8 Oct 2023 254th tomtheisen 🇺🇸 774 149 439ms 21 Nov 2021 255th btjones0 773 88 19ms 17 Jan 2021 255th SirBogman 🇺🇸 773 88 11ms 5 Jan 2024 255th emgordon154 773 88 97ms 2 Apr 2025 255th Babafaba 773 88 88ms 5 Nov 2025 259th primo-ppcg 🇹🇭 771 48 35ms 20 May 2021 260th primo-ppcg 🇹🇭 771 87 450ms 22 Mar 2021 261st jared-hughes 770 141 15ms 15 Feb 2023 262nd neel11235813 769 91 450ms 15 Jan 2024 262nd CaedenHarper 🇨🇦 769 91 462ms 10 Dec 2025 264th inventshah 769 180 281ms 19 Sep 2022 265th DialFrost 🇸🇬 768 74 67ms 1 Jun 2024 266th Herbert00709 🇵🇱 768 176 118ms 20 Nov 2024 267th mathisfun271 764 89 18ms 4 Feb 2024 268th scpchicken 🇵🇼 762 88 1,549ms 28 Feb 2023 269th duckyluuk 🇳🇱 761 92 467ms 10 Jul 2024 270th anter69 🇭🇺 759 111 1,329ms 19 Apr 2024 271st Yax42 🇫🇷 759 152 425ms 6 May 2025 272nd Irratix 🇳🇱 758 75 57ms 14 Mar 2022 273rd edsrzf 🇳🇿 758 151 361ms 18 Dec 2025 274th prplz 🇦🇺 756 90 12ms 8 Feb 2021 274th orthoplex 🇨🇽 756 90 42ms 29 Jul 2021 274th jared-hughes 756 90 33ms 15 Aug 2021 277th MeWhenI 🇻🇦 754 153 447ms 1 Jul 2023 278th Argeento 🇵🇱 750 92 9ms 26 Aug 2023 278th emgordon154 750 92 11ms 2 Apr 2025 280th AlephSquirrel 747 53 77ms 3 Jan 2023 281st annaproxy 747 91 12ms 1 Feb 2022 281st neel11235813 747 91 71ms 10 Oct 2023 281st andrewjc2000 747 91 12ms 7 May 2025 281st CaedenHarper 🇨🇦 747 91 11ms 10 Dec 2025 285th emgordon154 746 113 1,489ms 2 Apr 2025 286th Shanethegamer 🇺🇸 745 94 419ms 16 Jan 2024 287th AlephSquirrel 742 93 12ms 16 Feb 2023 287th helbling 🇨🇭 742 93 11ms 2 Oct 2024 289th MeWhenI 🇻🇦 742 164 161ms 21 Mar 2025 290th rak1507 🇬🇧 741 118 118ms 28 Jan 2021 291st edsrzf 🇳🇿 739 92 28ms 20 Sep 2025 291st solisolu 739 92 11ms 28 Oct 2025 291st plcc0 739 92 19ms 14 Jan 2026 294th emgordon154 739 98 144ms 2 Apr 2025 295th blaztoma 🇱🇹 737 91 2,034ms 23 Oct 2025 296th snoozingnewt 🇨🇦 737 95 521ms 16 days ago 297th Shanethegamer 🇺🇸 736 139 1,497ms 18 Nov 2021 298th marshallward 🇺🇸 733 181 53ms 7 May 2025 299th NewDefectus 🇮🇱 731 93 11ms 20 Dec 2021 299th duckyluuk 🇳🇱 731 93 11ms 29 Mar 2024 301st Steffan153 🇫🇮 728 126 18ms 11 Feb 2023 302nd NewDefectus 🇮🇱 725 51 35ms 23 Dec 2021 303rd MeWhenI 🇻🇦 725 141 1,317ms 17 Jun 2023 304th Shanethegamer 🇺🇸 723 94 24ms 28 May 2022 304th anter69 🇭🇺 723 94 12ms 22 Jan 2023 306th DialFrost 🇸🇬 722 127 595ms 8 Mar 2024 307th janbehrens 🇩🇪 721 160 532ms 17 Jun 2023 308th MeWhenI 🇻🇦 720 117 1,375ms 11 May 2023 309th janbehrens 🇩🇪 719 96 45ms 1 Aug 2021 310th jacklynnepenick 716 95 12ms 19 Aug 2021 310th Flekay 🇩🇪 716 95 69ms 18 days ago 310th snoozingnewt 🇨🇦 716 95 84ms 16 days ago 313th jared-hughes 710 80 292ms 9 Sep 2022 314th janbehrens 🇩🇪 708 96 101ms 17 Jun 2023 314th fkantelberg 708 96 510ms 14 Jul 2025 314th cros107 🇦🇺 708 96 22ms 1 Jan 2026 317th ovs-code 🇩🇪 705 130 735ms 14 Mar 2025 318th Yewzir 🇧🇪 703 711 7ms 19 Dec 2024 319th SirBogman 🇺🇸 701 81 39ms 5 Jan 2024 320th quimey 701 97 86ms 16 Mar 2023 First Prev 241–320 of 1,783 Next Last