Day of Week 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 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 Chars Time Submitted 523rd kg583 🇺🇸 858 131 7ms 26 Sep 2025 523rd sean-niemann 🇺🇸 858 131 7ms 27 Sep 2025 528th albanian-laundromat 856 71 347ms 4 Aug 2025 528th Babafaba 856 71 419ms 16 days ago 530th JayXon 🇺🇸 856 142 584ms 14 Jul 2023 530th Shanethegamer 🇺🇸 856 142 517ms 14 Jul 2023 530th Lydxn 🇨🇦 856 142 480ms 14 Jul 2023 530th sean-niemann 🇺🇸 856 142 487ms 20 Jul 2024 530th Steffan153 🇫🇮 856 142 477ms 20 Jul 2024 535th JayXon 🇺🇸 856 231 210ms 22 Apr 2023 536th erikgaal 855 51 7ms 5 Jan 2024 537th edsrzf 🇳🇿 855 87 19ms 15 days ago 538th tobeannouncd 855 89 215ms 11 Jan 2024 538th ovs-code 🇩🇪 855 89 188ms 22 May 2024 538th lynn 855 89 224ms 8 Jan 2025 538th Natanaelel 🇸🇪 855 89 176ms 8 Jun 2025 542nd 386asm 🇺🇸 855 102 44ms 2 May 2023 543rd Steffan153 🇫🇮 855 103 61ms 23 Apr 2023 543rd m-tkach 🇺🇦 855 103 59ms 23 Apr 2023 543rd Lydxn 🇨🇦 855 103 56ms 26 May 2023 543rd sean-niemann 🇺🇸 855 103 73ms 2 Nov 2023 543rd DialFrost 🇸🇬 855 103 58ms 23 Dec 2024 548th Intevel 🇩🇪 853 125 280ms 4 Jul 2023 548th xnacly 🇩🇪 853 125 250ms 4 Jul 2023 548th msbranicky 853 125 250ms 31 Aug 2023 551st ovs-code 🇩🇪 852 82 35ms 13 days ago 552nd pardouin 🇫🇷 852 86 638ms 24 Sep 2025 553rd dokutan 851 70 233ms 7 Aug 2024 554th Shanethegamer 🇺🇸 851 132 8ms 20 Aug 2023 555th postie77 850 69 348ms 17 Apr 2023 555th janbehrens 🇩🇪 850 69 345ms 15 May 2023 555th arctouch-cristiannevianna 850 69 357ms 18 May 2023 555th jwonagel 850 69 374ms 29 Sep 2023 555th apocriva 850 69 309ms 24 Nov 2023 555th markcahigyan 🇭🇺 850 69 332ms 7 Feb 2024 555th sultan 850 69 391ms 28 Feb 2024 555th Matto58 850 69 337ms 8 Nov 2024 555th TRexOnGit 850 69 337ms 28 Nov 2024 555th SpareManiKatti 850 69 368ms 7 Apr 2025 565th RaBa21 🇭🇺 850 77 15ms 19 Jul 2025 566th ovs-code 🇩🇪 850 143 448ms 14 Jul 2023 567th AlephSquirrel 849 89 72ms 17 Apr 2023 567th GolfingSuccess 🇬🇷 849 89 70ms 26 Nov 2023 569th MeWhenI 🇻🇦 848 52 1,065ms 17 Apr 2023 570th DialFrost 🇸🇬 848 57 26ms 28 Feb 2025 571st primo-ppcg 🇹🇭 848 112 4ms 19 Apr 2023 571st saito-ta 🇯🇵 848 112 3ms 20 Apr 2023 573rd ovs-code 🇩🇪 847 97 3ms 16 Jun 2025 574th GrayJoKing 🇦🇺 847 103 51ms 19 Apr 2023 575th rucin93 🇵🇱 846 159 5ms 21 Apr 2025 576th dokutan 845 113 143ms 28 Apr 2025 577th MeWhenI 🇻🇦 844 46 5ms 12 Aug 2024 578th MeWhenI 🇻🇦 843 102 8ms 6 Mar 2024 579th grospolina 841 80 52ms 2 Oct 2024 580th keelimeguy 🇺🇸 840 78 16ms 16 Nov 2023 580th gallium-gonzollium 840 78 33ms 25 Aug 2024 582nd edsrzf 🇳🇿 839 105 61ms 2 May 2025 583rd DialFrost 🇸🇬 838 70 372ms 18 Jun 2024 584th stefangimmillaro 837 64 3,251ms 31 Oct 2024 584th emgordon154 837 64 4,806ms 30 Jan 2025 586th MeWhenI 🇻🇦 836 53 9ms 28 Sep 2024 587th CLOStrophobic 🇮🇹 836 89 12ms 6 May 2025 587th kg583 🇺🇸 836 89 12ms 6 May 2025 589th sean-niemann 🇺🇸 835 161 6ms 21 Apr 2025 590th Shanethegamer 🇺🇸 834 42 86ms 25 Mar 2024 590th MeWhenI 🇻🇦 834 42 94ms 2 Aug 2024 592nd Yewzir 🇧🇪 834 71 486ms 19 Nov 2023 593rd dokutan 833 73 395ms 16 Jan 2024 594th LogicalJoe 833 102 2ms 1 May 2023 595th 0xjac 🇨🇭 833 128 276ms 11 Jun 2025 596th PowershellKnut 🇳🇴 831 81 60ms 7 Jan 2024 597th zacjl 830 99 19ms 30 Jul 2025 598th GolfingSuccess 🇬🇷 830 162 5ms 3 Nov 2023 598th Steffan153 🇫🇮 830 162 5ms 29 Jan 2024 600th SirBogman 🇺🇸 829 57 128ms 23 Jan 2024 First Prev 526–600 of 1,371 Next Last