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 721st Shanethegamer 🇺🇸 765 60 386ms 2 Jul 2021 721st alemelis 765 60 1,968ms 14 Aug 2024 721st antimon2 🇯🇵 765 60 517ms 5 days ago 724th edsrzf 🇳🇿 765 96 10ms 5 days ago 725th albanian-laundromat 🇺🇸 764 60 1,006ms 1 Oct 2025 726th Waffle3z 764 61 14ms 20 Jan 2021 726th didion0 🇺🇸 764 61 9ms 9 Feb 2021 726th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 726th tayloia 🇬🇧 764 61 10ms 29 May 2022 730th duckyluuk 🇳🇱 761 73 9ms 16 Dec 2024 731st edsrzf 🇳🇿 761 82 8ms 20 Mar 2026 732nd c0d3-4-F00d 🇩🇪 760 70 2ms 18 Mar 2022 732nd Alex-x90 🇺🇸 760 70 2ms 6 Mar 2023 732nd dokutan 760 70 2ms 18 Jul 2025 735th GolfingSuccess 🇬🇷 760 71 6ms 16 Oct 2023 735th Yewzir 🇧🇪 760 71 3ms 19 Nov 2025 737th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 737th strout 760 86 124ms 15 Dec 2023 739th TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 739th 77Tigers 758 65 33ms 1 Mar 2021 739th knutae 🇳🇴 758 65 12ms 29 Jun 2021 739th ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 739th guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 739th martinnorling 🇸🇪 758 65 11ms 8 Mar 2022 739th IshanPanpaliya 758 65 11ms 3 May 2023 739th nooberitess 758 65 12ms 8 Apr 2025 739th madeforlosers 758 65 13ms 16 days ago 748th ovs-code 🇩🇪 757 87 110ms 8 Mar 2024 749th RockOfStone 755 81 2ms 4 Nov 2021 749th dokutan 755 81 2ms 18 Jul 2025 751st Lydxn 🇨🇦 755 223 13ms 24 Jun 2021 752nd edsrzf 🇳🇿 754 91 7ms 20 Mar 2026 753rd CaedenHarper 🇨🇦 752 61 1,009ms 11 Feb 2026 754th ScottHamper 752 62 10ms 1 Jun 2021 754th helbling 🇨🇭 752 62 16ms 2 Oct 2024 756th Mabeloid 🇳🇴 752 64 398ms 17 Sep 2024 757th cipharius 751 87 169ms 19 Jan 2021 758th Yewzir 🇧🇪 749 71 2ms 14 Oct 2023 759th emgordon154 749 115 27ms 26 days ago 760th m-ender 🇩🇪 748 89 174ms 23 Apr 2021 761st sean-niemann 🇺🇸 747 57 132ms 17 Jun 2025 762nd ArmaanAS 747 66 12ms 4 Apr 2021 762nd quimey 747 66 11ms 23 Jun 2023 762nd firegene 🇮🇪 747 66 25ms 24 Feb 2026 765th kg583 🇺🇸 746 85 40ms 13 Feb 2025 765th edsrzf 🇳🇿 746 85 37ms 6 days ago 767th primo-ppcg 🇹🇭 745 40 161ms 22 Apr 2022 768th Shanethegamer 🇺🇸 744 63 4ms 13 Aug 2024 768th emgordon154 744 63 4ms 25 Aug 2024 770th ScottHamper 743 90 502ms 30 Nov 2025 771st SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 772nd emgordon154 741 32 47ms 19 Oct 2025 773rd jared-hughes 741 57 42ms 9 Sep 2022 774th AlephSquirrel 741 99 10ms 18 Jan 2025 775th Yewzir 🇧🇪 740 62 1,121ms 16 Nov 2025 776th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 776th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 778th janbehrens 🇩🇪 740 93 460ms 24 Mar 2022 779th DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 780th MeWhenI 🇻🇦 738 93 4ms 22 May 2023 781st primo-ppcg 🇹🇭 737 117 25ms 14 Jul 2021 782nd MeWhenI 🇻🇦 737 154 1,736ms 8 days ago 783rd msbranicky 736 67 15ms 21 Aug 2023 783rd Matter1024 🇮🇳 736 67 13ms 26 days ago 785th Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 786th CaedenHarper 🇨🇦 735 117 328ms 11 Feb 2026 787th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 787th annaproxy 734 89 148ms 17 Aug 2022 787th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 787th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 791st Shanethegamer 🇺🇸 733 88 117ms 15 Oct 2022 792nd dokutan 730 118 25ms 18 Jul 2025 793rd dvik72 729 64 10ms 1 Jun 2022 793rd AlephSquirrel 729 64 10ms 16 Feb 2023 795th ovs-code 🇩🇪 729 72 12ms 16 Jul 2023 796th janbehrens 🇩🇪 729 73 2ms 11 Jun 2021 797th elgan65536 🇺🇸 729 104 161ms 7 Feb 2026 798th annaproxy 728 58 40ms 24 Oct 2023 799th KatieLG 🇬🇧 728 63 1,256ms 25 Apr 2021 800th arctouch-cristiannevianna 728 82 385ms 22 Nov 2023 First Prev 721–800 of 2,085 Next Last