Sierpiński Triangle in all languages in chars. 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 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 Turtle Tutorial # Golfer Points Chars Time Submitted 526th DialFrost 🇸🇬 706 60 31 Dec 2023 527th janbehrens 🇩🇪 706 63 32ms 30 May 2022 527th tatzyr 🇯🇵 706 63 34ms 25 Nov 2024 529th yzhs 🇩🇪 706 75 10ms 25 Oct 2020 529th SB-945 706 75 15ms 7 Apr 2024 529th dokutan 706 75 10ms 15 May 2024 529th ryyyn 🇺🇸 706 75 10ms 25 Jun 2025 529th YAJUE114514 706 75 11ms 30 Jul 2025 534th stefangimmillaro 706 82 14 Mar 2023 535th thisishowmymindworks 🇳🇴 705 65 9 Sep 2020 535th inventshah 705 65 23 Jan 2023 535th Alex-x90 🇺🇸 705 65 24 Jan 2023 535th helbling 🇨🇭 705 65 3 Jun 2024 539th Attero 🇸🇪 701 67 20 Sep 2023 540th flawr 701 95 156ms 24 Feb 2019 541st clockworknazo 701 98 3ms 6 Mar 2023 542nd buddy1616 699 77 2ms 26 Apr 2019 542nd ktiy 699 77 2ms 2 Jun 2021 542nd m-tkach 🇺🇦 699 77 2ms 15 Dec 2022 545th SirBogman 🇺🇸 699 356 15ms 23 Nov 2022 546th Natanaelel 🇸🇪 698 43 3ms 21 Jan 2022 546th Natanaelel 🇸🇪 698 43 22 Jan 2024 548th Sp3000 🇦🇺 698 55 3ms 12 Jan 2024 549th MeWhenI 🇻🇦 697 52 3ms 26 May 2023 550th hoodadam 697 76 13ms 31 Jan 2020 550th hiddicop 🇸🇪 697 76 11ms 31 Jan 2021 550th sleepyStick 697 76 11ms 8 Dec 2021 550th cubed-guy 697 76 10ms 12 Feb 2022 550th Fracture17 697 76 10ms 4 Apr 2023 550th Jacob385 697 76 10ms 14 Mar 2024 550th stertooy 🇧🇪 697 76 11ms 14 Jun 2024 550th jatloe 697 76 13ms 29 Oct 2024 550th snydej 697 76 12ms 21 Nov 2024 550th moustave 697 76 13ms 10 Apr 2025 550th RYSF13 🇨🇳 697 76 10ms 18 Jul 2025 561st typeswitch-dev 🇵🇹 697 101 4ms 28 Jul 2023 562nd AlephSquirrel 696 70 588ms 21 Jan 2024 562nd HumanoidCPU 696 70 430ms 11 Feb 2025 564th cywong-amino 🇭🇰 695 66 30 May 2020 564th dmrichwa 🇺🇸 695 66 22 Jan 2023 564th kcinnu 🇱🇹 695 66 15 Nov 2023 567th Ripick 694 101 363ms 21 May 2023 568th s-g-stavely 692 91 2ms 12 May 2021 569th Shanethegamer 🇺🇸 692 92 1,265ms 9 Mar 2023 570th MeWhenI 🇻🇦 691 68 3 Jul 2023 571st foxmcloud555 690 78 2ms 28 Apr 2022 571st aksyristos 690 78 2ms 10 Feb 2023 571st neel11235813 690 78 2ms 14 Mar 2023 571st klixel 🇨🇦 690 78 2ms 7 Jun 2023 571st Herbert00709 🇵🇱 690 78 2ms 23 Nov 2024 571st TeodorDyakov 🇧🇬 690 78 2ms 23 Sep 2025 577th MeWhenI 🇻🇦 690 83 27 Oct 2024 577th pardouin 🇫🇷 690 83 12 Nov 2024 577th aditsu 690 83 13 Aug 2025 580th Feniske 🇫🇷 689 67 199ms 10 Nov 2023 581st cure-honey 🇯🇵 689 84 10 Jul 2021 582nd MeWhenI 🇻🇦 689 103 70ms 2 Nov 2023 583rd janbehrens 🇩🇪 689 152 31ms 8 Jul 2021 584th RYNO8 688 77 15ms 11 Sep 2021 584th NewDefectus 🇮🇱 688 77 11ms 9 Nov 2021 584th jeff-at-tamer-dot-codes 🇺🇸 688 77 15ms 13 Mar 2023 584th fourth-bit 688 77 11ms 23 Sep 2024 584th Pyroan 688 77 10ms 22 Feb 2025 584th wuduculfre 688 77 13ms 22 Jul 2025 590th edsrzf 🇳🇿 688 106 10ms 8 Jan 2025 591st albanian-laundromat 686 71 413ms 9 Aug 2025 592nd rucin93 🇵🇱 684 53 3ms 11 Jul 2024 593rd greghull 684 65 34ms 9 Nov 2017 593rd Natanaelel 🇸🇪 684 65 31ms 2 Nov 2021 595th kritixilithos 683 74 2ms 27 May 2024 596th Shanethegamer 🇺🇸 682 107 8ms 19 Dec 2023 597th Shanethegamer 🇺🇸 681 97 14 Jun 2022 598th bforte 680 98 160ms 21 Dec 2018 599th namelessiw 679 78 10ms 6 May 2024 600th Shanethegamer 🇺🇸 677 93 1ms 23 Jul 2021 First Prev 526–600 of 1,988 Next Last