ISBN 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 373rd dokutan 831 83 11ms 15 Aug 2024 373rd Babafaba 831 83 10ms 7 days ago 378th Natanaelel 🇸🇪 831 85 10ms 7 Feb 2023 378th HumanoidCPU 831 85 10ms 2 Mar 2025 380th DialFrost 🇸🇬 829 91 2,356ms 25 Oct 2024 381st jacobly0 🇺🇸 829 104 2ms 11 Sep 2023 382nd Yewzir 🇧🇪 829 113 2ms 29 Nov 2023 382nd drabart 🇵🇱 829 113 2ms 18 Dec 2023 384th Shanethegamer 🇺🇸 829 124 7ms 27 Aug 2024 385th drabart 🇵🇱 829 132 56ms 16 Dec 2023 386th Natanaelel 🇸🇪 828 51 122ms 6 Feb 2025 387th Sakisan 🇧🇪 827 64 64ms 30 Jun 2022 388th kg583 🇺🇸 827 141 46ms 14 Feb 2025 389th emplv 🇱🇻 827 160 264ms 6 Jan 2023 389th KasperKivimaeki 🇫🇮 827 160 265ms 25 days ago 391st prplz 🇦🇺 826 93 390ms 18 Jan 2022 391st hemphen 826 93 376ms 28 Aug 2022 391st feberhard 826 93 355ms 6 Apr 2023 391st sean-niemann 🇺🇸 826 93 373ms 19 Apr 2025 395th emplv 🇱🇻 823 101 5ms 3 Jul 2023 395th stefangimmillaro 823 101 4ms 12 Oct 2023 395th edsrzf 🇳🇿 823 101 4ms 7 Oct 2025 398th Alex-x90 🇺🇸 823 133 57ms 8 Aug 2023 398th Yewzir 🇧🇪 823 133 55ms 29 Nov 2023 400th acotis 823 146 189ms 30 May 2025 401st SirBogman 🇺🇸 822 37 2ms 27 May 2024 401st Yewzir 🇧🇪 822 37 2ms 19 Dec 2024 403rd dcgjb 822 67 259ms 14 Feb 2024 404th Yewzir 🇧🇪 822 76 435ms 22 Jun 2024 404th Shanethegamer 🇺🇸 822 76 395ms 10 Dec 2024 404th albanian-laundromat 822 76 707ms 7 days ago 407th Mandrzejy 🇵🇱 822 114 2ms 13 Sep 2024 407th AZTECCO 822 114 2ms 16 Sep 2025 409th plcc0 822 125 7ms 23 Mar 2025 410th albanian-laundromat 822 133 3ms 22 Sep 2025 411th jeff-at-tamer-dot-codes 🇺🇸 821 84 11ms 19 May 2023 411th Artemis21 🇬🇧 821 84 11ms 10 Jan 2025 411th snoozingnewt 🇺🇸 821 84 13ms 14 Jan 2025 414th solisolu 821 86 9ms 6 days ago 415th Shanethegamer 🇺🇸 820 107 132ms 24 May 2025 416th Bubbler-4 819 48 45ms 15 Nov 2022 416th stackofbears 819 48 35ms 27 Dec 2023 418th pardouin 🇫🇷 819 71 981ms 2 Sep 2025 419th m-tkach 🇺🇦 819 130 340ms 25 Sep 2025 420th Shanethegamer 🇺🇸 818 63 2ms 13 May 2023 421st annaproxy 817 94 380ms 19 Mar 2022 422nd Mandrzejy 🇵🇱 817 134 59ms 13 Sep 2024 423rd jared-hughes 816 200 10ms 18 Dec 2024 424th o0lit3 🇺🇸 815 51 5ms 11 Jan 2022 425th JayXon 🇺🇸 815 55 35ms 25 Feb 2022 426th Steffan153 🇫🇮 815 82 480ms 11 Jul 2024 427th GrayJoKing 🇦🇺 815 99 5ms 20 Sep 2023 428th MeWhenI 🇻🇦 815 102 4ms 26 Nov 2023 429th madex 🇩🇪 815 115 2ms 10 Apr 2022 429th FragmentedCurve 815 115 2ms 22 Nov 2023 429th mathisfun271 815 115 2ms 5 Feb 2024 432nd kg583 🇺🇸 815 126 7ms 26 Oct 2024 433rd primo-ppcg 🇹🇭 815 164 27ms 25 Jun 2022 434th DialFrost 🇸🇬 815 286 137ms 22 Apr 2025 435th saito-ta 🇯🇵 812 32 38ms 19 Aug 2022 435th canissimia 🇦🇶 812 32 39ms 19 Aug 2022 437th itsh01 812 87 9ms 13 Mar 2022 437th AlephSquirrel 812 87 9ms 15 Feb 2023 437th danielphilpottwork 812 87 10ms 20 Dec 2023 437th Attero 🇸🇪 812 87 10ms 22 Dec 2023 441st sean-niemann 🇺🇸 812 163 267ms 30 Aug 2023 441st Yewzir 🇧🇪 812 163 282ms 7 Feb 2024 441st CaedenHarper 🇨🇦 812 163 272ms 11 days ago 444th KatieLG 🇬🇧 811 77 470ms 28 Oct 2024 445th m42km 811 85 11ms 24 Oct 2023 445th emgordon154 811 85 12ms 1 Aug 2024 445th JunkIce 811 85 12ms 25 Nov 2024 445th Flekay 🇩🇪 811 85 11ms 10 Jul 2025 445th mossiegoat 811 85 11ms 25 Jul 2025 450th edsrzf 🇳🇿 811 93 3,055ms 1 Sep 2025 First Prev 376–450 of 1,520 Next Last