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 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 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 525th Irratix 🇳🇱 823 61 12ms 8 Dec 2021 525th cubed-guy 823 61 13ms 12 Feb 2022 525th CedricGebistorf 823 61 16ms 18 Feb 2022 525th jascotm 823 61 11ms 17 May 2022 525th Eilonlif 🇮🇱 823 61 32ms 9 Sep 2022 525th vishwathg 823 61 22ms 18 Sep 2022 525th ZakkkkAttackkkk 🇵🇭 823 61 16ms 19 Aug 2023 525th jtaxen 823 61 13ms 26 Mar 2024 525th ahmetdemirag 🇨🇾 823 61 23ms 5 Nov 2024 525th plcc0 823 61 20ms 9 Mar 2025 525th Pyroan 823 61 17ms 16 Mar 2025 525th tri1212 🇻🇳 823 61 11ms 16 Apr 2025 538th Shanethegamer 🇺🇸 823 83 93ms 19 Apr 2022 539th alemelis 822 60 2,036ms 14 Aug 2024 540th GrayJoKing 🇦🇺 822 81 115ms 14 Mar 2022 540th MeWhenI 🇻🇦 822 81 114ms 15 Nov 2022 542nd ovs-code 🇩🇪 819 56 130ms 3 Aug 2024 543rd primo-ppcg 🇹🇭 818 66 3ms 18 Jan 2021 543rd jared-hughes 818 66 3ms 31 Jul 2022 545th NewDefectus 🇮🇱 817 57 10ms 1 Nov 2021 546th inventshah 817 59 2ms 18 May 2022 546th MeWhenI 🇻🇦 817 59 3ms 18 May 2022 548th m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 549th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 549th inventshah 816 66 2ms 22 Oct 2023 551st Shanethegamer 🇺🇸 816 84 469ms 25 Sep 2025 552nd Yewzir 🇧🇪 815 61 105ms 16 Nov 2023 553rd Steffan153 🇫🇮 814 90 5ms 10 Feb 2023 554th BREMAUCY 🇫🇷 813 59 393ms 20 Feb 2024 555th duckyluuk 🇳🇱 812 70 3,281ms 28 Oct 2024 556th janlelis 810 52 52ms 18 Jan 2021 556th hiddicop 🇸🇪 810 52 43ms 29 Jan 2021 556th prplz 🇦🇺 810 52 38ms 22 Apr 2021 556th anter69 🇭🇺 810 52 41ms 14 Jan 2022 556th OhmNomNom 810 52 84ms 12 Oct 2022 556th olleicua 🇺🇸 810 52 37ms 25 Feb 2024 556th emgordon154 810 52 42ms 26 Nov 2024 563rd vezzick 810 62 13ms 12 Mar 2021 563rd schachmattmatt 810 62 11ms 18 Aug 2021 563rd cooljoseph1 810 62 22ms 6 May 2022 563rd fredrik-bakke 🇳🇴 810 62 18ms 29 Sep 2022 563rd nkoppel 810 62 12ms 19 Oct 2022 563rd AodhanDalton 810 62 11ms 4 Nov 2022 563rd nstearns96 🇬🇧 810 62 20ms 28 Nov 2022 563rd adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 563rd jbjd 810 62 11ms 2 Mar 2024 563rd wh3n3v3r 🇨🇿 810 62 12ms 12 Nov 2024 563rd jacekwladzinski 810 62 13ms 4 Oct 2025 563rd Mabeloid 🇳🇴 810 62 11ms 10 days ago 575th Steffan153 🇫🇮 810 79 1,428ms 23 Mar 2023 575th Yewzir 🇧🇪 810 79 40ms 16 Nov 2023 577th Shanethegamer 🇺🇸 810 96 294ms 9 Jun 2022 578th Shanethegamer 🇺🇸 810 108 274ms 26 Sep 2021 579th GolfingSuccess 🇬🇷 808 81 11ms 9 Sep 2022 580th Dazza314 🇬🇧 806 24 6ms 16 Apr 2021 581st emgordon154 806 67 3ms 22 Apr 2025 582nd Shanethegamer 🇺🇸 806 76 359ms 13 Dec 2021 583rd primo-ppcg 🇹🇭 806 78 72ms 13 Oct 2023 584th m-tkach 🇺🇦 806 106 38ms 25 Apr 2022 585th ArmaanAS 803 58 10ms 4 Apr 2021 585th itsh01 803 58 14ms 18 Nov 2021 587th Steffan153 🇫🇮 803 60 2ms 6 May 2023 588th stefangimmillaro 803 80 110ms 23 Sep 2023 589th emgordon154 803 85 9ms 3 Jan 2025 590th Shanethegamer 🇺🇸 803 94 119ms 25 Jan 2021 591st prplz 🇦🇺 802 83 119ms 10 Jul 2024 592nd GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 593rd DaDerpDuck 800 76 2ms 20 Jan 2021 594th NewDefectus 🇮🇱 799 35 52ms 25 Jan 2022 595th MeWhenI 🇻🇦 799 50 3ms 11 Nov 2022 596th Babafaba 799 60 352ms 3 hours ago 597th MeWhenI 🇻🇦 799 88 416ms 28 Feb 2022 597th DialFrost 🇸🇬 799 88 446ms 12 Nov 2023 599th SirBogman 🇺🇸 797 46 192ms 22 Oct 2021 600th apourchot 797 63 22ms 13 Feb 2021 First Prev 526–600 of 1,822 Next Last