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 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 Crossword 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 Crossword 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 Chars Time Submitted 526th prplz 🇦🇺 708 76 2ms 26 Apr 2019 526th Attero 🇸🇪 708 76 2ms 23 May 2020 526th Alex-x90 🇺🇸 708 76 2ms 24 Jan 2023 526th JohandeRuiter 🇳🇱 708 76 2ms 30 Nov 2023 530th GalladeGuy 🇺🇸 708 89 1ms 12 Apr 2019 530th Waffle3z 708 89 2ms 24 Oct 2020 532nd DialFrost 🇸🇬 706 60 1,849ms 31 Dec 2023 533rd janbehrens 🇩🇪 706 63 32ms 30 May 2022 533rd tatzyr 🇯🇵 706 63 34ms 25 Nov 2024 535th yzhs 🇩🇪 706 75 10ms 25 Oct 2020 535th SB-945 706 75 15ms 7 Apr 2024 535th dokutan 706 75 10ms 15 May 2024 535th ryyyn 🇺🇸 706 75 10ms 25 Jun 2025 535th YAJUE114514 706 75 11ms 30 Jul 2025 540th stefangimmillaro 706 82 93ms 14 Mar 2023 541st thisishowmymindworks 🇳🇴 705 65 10ms 9 Sep 2020 541st inventshah 705 65 9ms 23 Jan 2023 541st Alex-x90 🇺🇸 705 65 9ms 24 Jan 2023 541st helbling 🇨🇭 705 65 10ms 3 Jun 2024 545th clockworknazo 702 98 3ms 6 Mar 2023 546th Attero 🇸🇪 701 67 5ms 20 Sep 2023 547th flawr 701 95 156ms 24 Feb 2019 548th buddy1616 699 77 2ms 26 Apr 2019 548th ktiy 699 77 2ms 2 Jun 2021 548th m-tkach 🇺🇦 699 77 2ms 15 Dec 2022 551st SirBogman 🇺🇸 699 356 12ms 23 Nov 2022 552nd Natanaelel 🇸🇪 698 43 2ms 21 Jan 2022 552nd Natanaelel 🇸🇪 698 43 36ms 22 Jan 2024 554th Sp3000 🇦🇺 698 55 3ms 12 Jan 2024 555th MeWhenI 🇻🇦 697 52 3ms 26 May 2023 556th hoodadam 697 76 13ms 31 Jan 2020 556th hiddicop 🇸🇪 697 76 11ms 31 Jan 2021 556th sleepyStick 697 76 11ms 8 Dec 2021 556th cubed-guy 697 76 10ms 12 Feb 2022 556th Fracture17 697 76 10ms 4 Apr 2023 556th Jacob385 697 76 10ms 14 Mar 2024 556th stertooy 🇧🇪 697 76 11ms 14 Jun 2024 556th jatloe 697 76 13ms 29 Oct 2024 556th snydej 697 76 12ms 21 Nov 2024 556th moustave 697 76 13ms 10 Apr 2025 556th RYSF13 🇨🇳 697 76 10ms 18 Jul 2025 567th typeswitch-dev 🇵🇹 697 101 4ms 28 Jul 2023 568th AlephSquirrel 696 70 588ms 21 Jan 2024 568th HumanoidCPU 696 70 430ms 11 Feb 2025 568th albanian-laundromat 696 70 340ms 2 days ago 571st cywong-amino 🇭🇰 695 66 9ms 30 May 2020 571st dmrichwa 🇺🇸 695 66 9ms 22 Jan 2023 571st kcinnu 🇱🇹 695 66 9ms 15 Nov 2023 574th Ripick 694 101 263ms 21 May 2023 575th s-g-stavely 692 91 2ms 12 May 2021 576th Shanethegamer 🇺🇸 692 92 1,386ms 9 Mar 2023 577th MeWhenI 🇻🇦 691 68 4ms 3 Jul 2023 578th foxmcloud555 690 78 2ms 28 Apr 2022 578th aksyristos 690 78 2ms 10 Feb 2023 578th neel11235813 690 78 2ms 14 Mar 2023 578th klixel 🇨🇦 690 78 2ms 7 Jun 2023 578th Herbert00709 🇵🇱 690 78 2ms 23 Nov 2024 578th TeodorDyakov 🇧🇬 690 78 2ms 23 Sep 2025 584th MeWhenI 🇻🇦 690 83 3,100ms 27 Oct 2024 584th pardouin 🇫🇷 690 83 2,911ms 12 Nov 2024 584th aditsu 690 83 3,106ms 13 Aug 2025 587th Feniske 🇫🇷 689 67 199ms 10 Nov 2023 588th cure-honey 🇯🇵 689 84 83ms 10 Jul 2021 589th MeWhenI 🇻🇦 689 103 70ms 2 Nov 2023 590th janbehrens 🇩🇪 689 152 31ms 8 Jul 2021 591st RYNO8 688 77 15ms 11 Sep 2021 591st NewDefectus 🇮🇱 688 77 11ms 9 Nov 2021 591st jeff-at-tamer-dot-codes 🇺🇸 688 77 15ms 13 Mar 2023 591st fourth-bit 688 77 11ms 23 Sep 2024 591st Pyroan 688 77 10ms 22 Feb 2025 591st wuduculfre 688 77 13ms 22 Jul 2025 597th edsrzf 🇳🇿 688 106 10ms 8 Jan 2025 598th rucin93 🇵🇱 684 53 3ms 11 Jul 2024 599th greghull 684 65 34ms 9 Nov 2017 599th Natanaelel 🇸🇪 684 65 31ms 2 Nov 2021 First Prev 526–600 of 1,998 Next Last