Kolakoski Sequence in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Bytes Time Submitted 751st abailey2020 🇺🇸 728 69 12ms 19 Feb 2021 751st Anonymousellama21 728 69 11ms 15 May 2022 751st TaserTheFox 🇺🇸 728 69 41ms 16 Feb 2023 754th annaproxy 727 58 39ms 24 Oct 2023 755th KatieLG 🇬🇧 727 63 812ms 25 Apr 2021 756th ovs-code 🇩🇪 725 72 11ms 16 Jul 2023 757th yzhs 🇩🇪 725 90 158ms 24 Jul 2021 758th dokutan 724 118 26ms 18 Jul 2025 759th jacobly0 🇺🇸 724 153 1,891ms 22 Apr 2024 759th MeWhenI 🇻🇦 724 153 1,577ms 19 hours ago 761st AlephSquirrel 721 34 51ms 30 Dec 2022 762nd primo-ppcg 🇹🇭 720 47 26ms 5 Feb 2022 763rd scpchicken 🇵🇼 719 51 166ms 18 Jan 2023 764th Yewzir 🇧🇪 719 91 3ms 28 Mar 2024 765th MeWhenI 🇻🇦 718 75 9ms 9 Oct 2023 766th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 767th igmcdowell 717 65 10ms 23 Nov 2021 768th osmith93 717 70 34ms 14 Jun 2021 768th ridingqwerty 🇺🇸 717 70 12ms 23 Feb 2024 768th mbittner20 717 70 15ms 15 Jul 2024 768th luuumine 🇫🇷 717 70 11ms 19 days ago 772nd prplz 🇦🇺 717 91 161ms 25 Jan 2021 773rd Alex-x90 🇺🇸 717 99 371ms 23 Jun 2022 774th msbranicky 716 67 745ms 17 Jan 2024 775th marshallward 🇺🇸 716 100 44ms 7 May 2025 776th NewDefectus 🇮🇱 715 32 38ms 20 Dec 2021 777th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 778th prplz 🇦🇺 714 52 3ms 5 Feb 2021 779th MarcMush 🇫🇷 714 69 311ms 12 Feb 2024 780th elgan65536 712 106 161ms 26 Oct 2023 781st targrik 712 123 296ms 10 Jul 2025 782nd emgordon154 711 80 3,090ms 9 Aug 2025 783rd MeWhenI 🇻🇦 711 90 1,145ms 14 Jun 2023 784th NewDefectus 🇮🇱 710 76 2ms 25 Oct 2021 784th JohandeRuiter 🇳🇱 710 76 3ms 3 Dec 2023 786th Feniske 🇫🇷 709 51 252ms 21 Nov 2023 787th chordowl 709 92 137ms 17 Mar 2021 788th marcin7Cd 709 103 30ms 12 Feb 2021 789th SnowballSH 707 71 12ms 12 Feb 2021 789th Andre3582 707 71 13ms 18 Mar 2021 789th PhysicDev 🇫🇷 707 71 12ms 20 May 2021 789th Alban-Boissard 707 71 14ms 10 Jun 2025 793rd CaedenHarper 🇨🇦 706 64 734ms 6 Oct 2025 794th omurakazuaki 🇯🇵 706 66 11ms 18 Feb 2021 794th BambooleanLogic 🇸🇪 706 66 10ms 22 Aug 2022 794th coreynash 706 66 9ms 21 Oct 2023 794th two-bad 🇬🇧 706 66 10ms 24 Nov 2023 794th dylanarmstrong 706 66 10ms 15 Jan 2024 794th madeforlosers 706 66 9ms 3 days ago 800th Stockoh 🇫🇷 705 68 383ms 24 Jun 2024 801st typeswitch-dev 🇵🇹 705 74 9ms 7 Aug 2023 802nd msbranicky 704 65 1,074ms 12 Sep 2023 803rd Shanethegamer 🇺🇸 704 91 41ms 16 Jun 2022 804th Herbert00709 🇵🇱 703 101 64ms 19 Nov 2024 805th SnowballSH 702 60 36ms 12 Feb 2021 805th aksyristos 702 60 48ms 28 Feb 2023 807th MeWhenI 🇻🇦 701 35 50ms 26 Jul 2022 807th jared-hughes 701 35 54ms 31 Jul 2022 807th Natanaelel 🇸🇪 701 35 48ms 18 Aug 2022 810th KasperKivimaeki 🇫🇮 701 125 258ms 3 Oct 2025 811th Shanethegamer 🇺🇸 700 77 14ms 9 Oct 2023 812th UnderKoen 🇳🇱 700 134 11ms 20 Jan 2025 813th MeWhenI 🇻🇦 700 238 13ms 29 Aug 2023 814th JayXon 🇺🇸 699 40 51ms 2 Jun 2021 815th jared-hughes 699 44 7ms 31 Jul 2022 816th LeeCamp 697 72 10ms 16 Feb 2022 816th LukasFolwarczny 🇨🇿 697 72 10ms 16 Sep 2022 816th CutSandstone 697 72 41ms 8 Jul 2024 819th jared-hughes 696 159 1,500ms 16 Sep 2025 820th DialFrost 🇸🇬 695 56 76ms 22 Jul 2024 821st targrik 695 57 5ms 26 Aug 2025 822nd neihousaigaai 695 67 11ms 10 Apr 2021 823rd boxjelly 694 94 139ms 21 Jan 2021 823rd YAJUE114514 694 94 142ms 24 Jul 2025 825th dokutan 692 99 344ms 24 Sep 2025 First Prev 751–825 of 1,830 Next Last