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 521st CaedenHarper 🇨🇦 827 58 388ms 8 Aug 2024 521st namelessiw 827 58 485ms 15 Aug 2024 528th Yewzir 🇧🇪 827 85 371ms 16 Nov 2023 529th Irratix 🇳🇱 826 51 42ms 4 Mar 2022 530th MeWhenI 🇻🇦 824 78 112ms 14 Oct 2022 531st petroselo 823 61 13ms 16 Nov 2021 531st Irratix 🇳🇱 823 61 12ms 8 Dec 2021 531st cubed-guy 823 61 13ms 12 Feb 2022 531st CedricGebistorf 823 61 16ms 18 Feb 2022 531st jascotm 823 61 11ms 17 May 2022 531st Eilonlif 🇮🇱 823 61 32ms 9 Sep 2022 531st vishwathg 823 61 22ms 18 Sep 2022 531st ZakkkkAttackkkk 🇵🇭 823 61 16ms 19 Aug 2023 531st jtaxen 823 61 13ms 26 Mar 2024 531st ahmetdemirag 🇨🇾 823 61 23ms 5 Nov 2024 531st plcc0 823 61 20ms 9 Mar 2025 531st Pyroan 823 61 17ms 16 Mar 2025 531st tri1212 🇻🇳 823 61 11ms 16 Apr 2025 544th Shanethegamer 🇺🇸 823 83 83ms 19 Apr 2022 545th alemelis 822 60 2,036ms 14 Aug 2024 546th GrayJoKing 🇦🇺 822 81 115ms 14 Mar 2022 546th MeWhenI 🇻🇦 822 81 114ms 15 Nov 2022 548th ovs-code 🇩🇪 819 56 130ms 3 Aug 2024 549th primo-ppcg 🇹🇭 818 66 3ms 18 Jan 2021 549th jared-hughes 818 66 3ms 31 Jul 2022 551st NewDefectus 🇮🇱 817 57 10ms 1 Nov 2021 552nd inventshah 817 59 2ms 18 May 2022 552nd MeWhenI 🇻🇦 817 59 3ms 18 May 2022 554th m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 555th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 555th inventshah 816 66 2ms 22 Oct 2023 557th Shanethegamer 🇺🇸 816 84 343ms 25 Sep 2025 558th Yewzir 🇧🇪 815 61 105ms 16 Nov 2023 559th Steffan153 🇫🇮 814 90 5ms 10 Feb 2023 560th BREMAUCY 🇫🇷 813 59 393ms 20 Feb 2024 561st duckyluuk 🇳🇱 812 70 3,281ms 28 Oct 2024 562nd Shanethegamer 🇺🇸 811 108 271ms 26 Sep 2021 563rd janlelis 810 52 52ms 18 Jan 2021 563rd hiddicop 🇸🇪 810 52 43ms 29 Jan 2021 563rd prplz 🇦🇺 810 52 38ms 22 Apr 2021 563rd anter69 🇭🇺 810 52 41ms 14 Jan 2022 563rd OhmNomNom 810 52 84ms 12 Oct 2022 563rd olleicua 🇺🇸 810 52 37ms 25 Feb 2024 563rd emgordon154 810 52 42ms 26 Nov 2024 570th vezzick 810 62 13ms 12 Mar 2021 570th schachmattmatt 810 62 11ms 18 Aug 2021 570th cooljoseph1 810 62 22ms 6 May 2022 570th fredrik-bakke 🇳🇴 810 62 18ms 29 Sep 2022 570th nkoppel 810 62 12ms 19 Oct 2022 570th AodhanDalton 810 62 11ms 4 Nov 2022 570th nstearns96 🇬🇧 810 62 20ms 28 Nov 2022 570th adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 570th jbjd 810 62 11ms 2 Mar 2024 570th wh3n3v3r 🇨🇿 810 62 12ms 12 Nov 2024 570th jacekwladzinski 810 62 13ms 4 Oct 2025 570th Mabeloid 🇳🇴 810 62 11ms 13 days ago 582nd Steffan153 🇫🇮 810 79 1,428ms 23 Mar 2023 582nd Yewzir 🇧🇪 810 79 40ms 16 Nov 2023 584th Shanethegamer 🇺🇸 810 96 294ms 9 Jun 2022 585th GolfingSuccess 🇬🇷 808 81 11ms 9 Sep 2022 586th Dazza314 🇬🇧 806 24 6ms 16 Apr 2021 587th emgordon154 806 67 3ms 22 Apr 2025 588th Shanethegamer 🇺🇸 806 76 359ms 13 Dec 2021 589th primo-ppcg 🇹🇭 806 78 72ms 13 Oct 2023 590th m-tkach 🇺🇦 806 106 38ms 25 Apr 2022 591st ArmaanAS 803 58 10ms 4 Apr 2021 591st itsh01 803 58 14ms 18 Nov 2021 593rd Steffan153 🇫🇮 803 60 2ms 6 May 2023 594th stefangimmillaro 803 80 110ms 23 Sep 2023 595th emgordon154 803 85 9ms 3 Jan 2025 596th Shanethegamer 🇺🇸 803 94 119ms 25 Jan 2021 597th prplz 🇦🇺 802 83 119ms 10 Jul 2024 598th GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 599th DaDerpDuck 800 76 2ms 20 Jan 2021 600th NewDefectus 🇮🇱 799 35 52ms 25 Jan 2022 First Prev 526–600 of 1,830 Next Last