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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 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 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 Minesweeper 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 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 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 Minesweeper 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 365th m42km 866 58 40ms 25 Nov 2023 365th StefanHabel 🇨🇦 866 58 13ms 20 Apr 2024 365th NickTheEASDude 🇺🇸 866 58 37ms 1 Jul 2024 365th namelessiw 866 58 44ms 27 Jul 2024 365th CaedenHarper 🇨🇦 866 58 35ms 5 Aug 2024 365th edsrzf 🇳🇿 866 58 18ms 22 Nov 2024 365th ryyyn 🇺🇸 866 58 29ms 6 Jan 2025 365th croc54 866 58 36ms 9 Jan 2025 365th andrewjc2000 866 58 31ms 11 Mar 2025 365th Mukundan314 866 58 33ms 27 Apr 2025 365th fkantelberg 866 58 20ms 12 Jul 2025 365th wuduculfre 866 58 29ms 22 Jul 2025 365th cros107 🇦🇺 866 58 11ms 16 Sep 2025 365th HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 365th blaztoma 🇱🇹 866 58 40ms 30 Sep 2025 391st MeWhenI 🇻🇦 866 87 13ms 30 Oct 2021 392nd lukegustafson 🇺🇸 865 53 188ms 17 Jun 2025 393rd stefangimmillaro 865 79 120ms 21 Jun 2023 394th Shanethegamer 🇺🇸 864 53 1,181ms 23 May 2021 394th MeWhenI 🇻🇦 864 53 996ms 16 Mar 2022 396th GrayJoKing 🇦🇺 864 90 336ms 9 Jun 2022 397th janbehrens 🇩🇪 863 43 3ms 18 Jan 2021 398th DaCuteRaccoon 863 54 10ms 9 Dec 2022 399th bitsandbeyond 🇳🇱 861 42 184ms 3 days ago 400th sisyphus-ppcg 🇦🇺 861 56 2ms 12 Jul 2022 401st ovs-code 🇩🇪 861 73 71ms 17 Sep 2023 401st error256 861 73 71ms 19 Jun 2024 403rd DialFrost 🇸🇬 861 76 4ms 14 Sep 2024 404th primo-ppcg 🇹🇭 860 49 46ms 18 Jan 2022 405th GrayJoKing 🇦🇺 859 96 35ms 18 Jan 2023 405th lynn 859 96 42ms 6 Aug 2023 407th Steffan153 🇫🇮 857 63 2ms 23 Mar 2023 407th stefangimmillaro 857 63 2ms 18 Sep 2023 407th xsot 🇸🇬 857 63 2ms 6 May 2025 407th KasperKivimaeki 🇫🇮 857 63 2ms 14 Aug 2025 411th DialFrost 🇸🇬 856 56 466ms 15 Jan 2024 411th Steffan153 🇫🇮 856 56 584ms 16 Jan 2024 411th duckyluuk 🇳🇱 856 56 530ms 27 Mar 2024 414th Lydxn 🇨🇦 855 63 2ms 15 Jan 2024 414th JayXon 🇺🇸 855 63 2ms 29 Jan 2024 416th Irratix 🇳🇱 855 83 69ms 3 Jan 2022 416th ovs-code 🇩🇪 855 83 61ms 3 Jun 2024 418th Lydxn 🇨🇦 855 100 27ms 13 Oct 2023 419th primo-ppcg 🇹🇭 854 78 150ms 27 Mar 2021 419th Shanethegamer 🇺🇸 854 78 186ms 18 Mar 2023 419th Ripick 854 78 138ms 2 Jun 2025 422nd sean-niemann 🇺🇸 854 80 117ms 21 Sep 2023 422nd Yewzir 🇧🇪 854 80 90ms 16 Nov 2023 424th primo-ppcg 🇹🇭 854 195 13ms 2 Aug 2023 425th nwellnhof 🇩🇪 852 43 151ms 21 Oct 2021 425th primo-ppcg 🇹🇭 852 43 150ms 22 Apr 2022 427th edsrzf 🇳🇿 852 53 1,234ms 31 Aug 2025 427th DialFrost 🇸🇬 852 53 1,037ms 1 Sep 2025 429th MeWhenI 🇻🇦 852 84 43ms 29 Apr 2025 430th marcin7Cd 851 59 10ms 16 Jan 2021 430th rak1507 🇬🇧 851 59 14ms 20 Jan 2021 430th AlephSquirrel 851 59 13ms 13 May 2021 430th rschwa6308 🇺🇸 851 59 12ms 28 Jun 2021 430th NewDefectus 🇮🇱 851 59 13ms 25 Oct 2021 430th jacksonhenry3 851 59 13ms 21 Dec 2021 430th NicoAdams 851 59 14ms 21 Dec 2021 430th aksyristos 851 59 11ms 28 Feb 2023 430th BREMAUCY 🇫🇷 851 59 11ms 27 Apr 2023 430th 2011-Chan-Ethan 851 59 11ms 17 Jul 2023 430th MarcMush 🇫🇷 851 59 11ms 12 Feb 2024 430th albanian-laundromat 851 59 13ms 13 Apr 2025 442nd ovs-code 🇩🇪 851 138 905ms 17 Feb 2025 443rd MeWhenI 🇻🇦 850 72 305ms 21 Nov 2021 444th albanian-laundromat 850 77 11ms 8 days ago 445th MeWhenI 🇻🇦 849 65 7ms 24 Dec 2024 446th Shanethegamer 🇺🇸 849 67 3,491ms 27 Oct 2024 446th pardouin 🇫🇷 849 67 3,488ms 23 Dec 2024 448th kg583 🇺🇸 849 86 12ms 1 Sep 2025 449th MeWhenI 🇻🇦 848 27 39ms 16 Mar 2022 450th sisyphus-ppcg 🇦🇺 848 89 117ms 25 Jan 2021 First Prev 376–450 of 1,820 Next Last