ISBN 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 601st 4hg 🇺🇸 787 69 37ms 30 Nov 2022 601st Andriamanitra 🇫🇮 787 69 46ms 17 Apr 2023 603rd emgordon154 787 95 135ms 15 Nov 2024 604th lifthrasiir 🇰🇷 787 97 446ms 2 Dec 2024 605th edsrzf 🇳🇿 787 133 1,356ms 26 Apr 2025 606th DialFrost 🇸🇬 784 113 101ms 24 May 2025 607th lynn 784 154 150ms 11 Mar 2022 607th The3gs 784 154 163ms 18 Aug 2023 609th adyache 🇺🇸 783 92 10ms 2 Aug 2023 610th DialFrost 🇸🇬 783 241 847ms 18 Apr 2025 611th MeWhenI 🇻🇦 782 81 784ms 15 Sep 2025 612th msbranicky 782 112 2ms 10 Oct 2023 613th MichalMarsalek 🇨🇿 782 117 372ms 21 Apr 2022 614th DialFrost 🇸🇬 782 166 52ms 7 May 2025 615th Skleni 781 99 393ms 6 Apr 2023 616th commandblockguy 🇺🇸 781 113 15ms 3 Nov 2022 616th jakobkordez 🇸🇮 781 113 10ms 13 Nov 2022 616th mossprescott 781 113 11ms 16 Jan 2023 616th SB-945 781 113 9ms 19 Aug 2023 616th davitf 781 113 11ms 30 Apr 2024 616th kbeat 🇰🇿 781 113 11ms 18 May 2025 622nd adamnielson42 🇺🇸 780 91 11ms 26 Apr 2023 623rd Shanethegamer 🇺🇸 780 104 71ms 4 Dec 2024 624th LHLaurini 🇧🇷 780 141 73ms 17 Jul 2024 625th MeWhenI 🇻🇦 779 43 5ms 1 Mar 2025 626th MeWhenI 🇻🇦 779 96 138ms 25 Oct 2024 627th fuzzylojik-golf 🇺🇸 779 98 460ms 6 Jul 2025 628th retrohun 778 121 2ms 30 Dec 2022 628th abc7-12 778 121 2ms 26 Jun 2024 630th Yewzir 🇧🇪 778 135 9ms 16 Dec 2023 630th Maximizer02 778 135 8ms 24 Sep 2024 632nd kg583 🇺🇸 777 105 4ms 2 Oct 2025 633rd DialFrost 🇸🇬 777 133 7ms 11 Dec 2024 634th JRaspass 🇬🇧 776 60 3ms 18 Jan 2023 635th kmathis22 776 138 349ms 6 days ago 636th rak1507 🇬🇧 775 40 2ms 10 Jan 2022 636th Frowny 775 40 2ms 13 Jan 2022 636th jared-hughes 775 40 36ms 29 Jul 2022 636th razetime 775 40 2ms 22 Aug 2022 640th Shanethegamer 🇺🇸 775 76 453ms 12 Oct 2022 640th stefangimmillaro 775 76 998ms 8 Jan 2023 640th MeWhenI 🇻🇦 775 76 997ms 10 May 2023 640th error256 775 76 1,078ms 14 Feb 2025 644th primo-ppcg 🇹🇭 775 118 328ms 9 Apr 2022 645th Steffan153 🇫🇮 775 132 22ms 5 Jul 2024 646th DialFrost 🇸🇬 775 142 2ms 14 Sep 2024 647th call23re 774 112 2ms 12 Jan 2022 648th aonkeeper4 774 114 14ms 5 Jul 2022 648th jared-hughes 774 114 13ms 7 Jul 2022 648th frankgraziano 774 114 11ms 8 Jan 2023 648th m42km 774 114 11ms 22 Nov 2023 648th thienudomsrirungruang 774 114 18ms 14 May 2024 648th jtaxen 774 114 10ms 8 Jun 2024 648th CutSandstone 774 114 11ms 8 Jul 2024 648th vhoulbreque 🇫🇷 774 114 11ms 9 Feb 2025 656th strout 774 145 162ms 15 Aug 2022 657th andersk 🇺🇸 774 156 212ms 30 Oct 2022 657th emgordon154 774 156 215ms 14 Mar 2025 659th juliansiebert 🇩🇪 773 72 259ms 24 Jul 2022 660th Steffan153 🇫🇮 772 106 295ms 21 Jun 2024 661st maxpelic 🇺🇸 771 92 10ms 5 Jul 2022 661st astdefu 771 92 10ms 10 Dec 2022 661st two-bad 🇬🇧 771 92 10ms 25 Feb 2024 661st KatieLG 🇬🇧 771 92 10ms 8 Jul 2024 665th emplv 🇱🇻 771 101 110ms 6 Dec 2022 666th c0d3-4-F00d 🇩🇪 771 122 2ms 21 Feb 2022 667th Yewzir 🇧🇪 770 115 139ms 26 Dec 2023 668th Shanethegamer 🇺🇸 769 157 144ms 8 Oct 2022 669th primo-ppcg 🇹🇭 768 67 19ms 24 Jan 2022 670th Shanethegamer 🇺🇸 768 99 76ms 12 Dec 2022 671st jmerle 🇳🇱 768 115 10ms 22 Jan 2022 671st PiterAnnema 768 115 19ms 23 Mar 2022 671st AGoyet 768 115 14ms 29 Jun 2022 671st Eilonlif 🇮🇱 768 115 12ms 11 Sep 2022 671st IsmaelGSerrano 768 115 11ms 2 Nov 2022 First Prev 601–675 of 1,518 Next Last
