ISBN in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 241st iliazeus 873 81 10ms 6 Nov 2023 241st Yewzir 🇧🇪 873 81 9ms 1 Dec 2023 243rd StarmaQ 872 99 2ms 12 Jan 2022 243rd Shanethegamer 🇺🇸 872 99 2ms 12 Oct 2022 243rd adriweb 🇫🇷 872 99 2ms 15 Sep 2023 246th ovs-code 🇩🇪 871 100 2ms 11 Oct 2023 246th edsrzf 🇳🇿 871 100 2ms 26 Jul 2025 248th m-tkach 🇺🇦 871 154 66ms 30 Dec 2022 249th primo-ppcg 🇹🇭 871 269 12ms 10 Jul 2025 250th inventshah 870 126 58ms 7 Aug 2024 251st lifthrasiir 🇰🇷 869 35 2ms 29 Nov 2024 252nd edsrzf 🇳🇿 869 111 8ms 15 Oct 2025 253rd GrayJoKing 🇦🇺 868 71 465ms 23 Jul 2024 253rd GolfingSuccess 🇬🇷 868 71 433ms 25 Jan 2025 255th sisyphus-ppcg 🇦🇺 868 77 85ms 13 Dec 2022 255th Steffan153 🇫🇮 868 77 86ms 13 Dec 2022 257th JayXon 🇺🇸 868 101 120ms 24 May 2025 258th inventshah 868 106 2ms 7 Aug 2024 259th Shanethegamer 🇺🇸 868 126 2ms 10 Sep 2022 259th inventshah 868 126 2ms 18 Sep 2022 261st MeWhenI 🇻🇦 867 30 41ms 25 Aug 2022 262nd Shanethegamer 🇺🇸 867 87 109ms 20 Oct 2022 262nd sean-niemann 🇺🇸 867 87 114ms 23 Mar 2025 262nd edsrzf 🇳🇿 867 87 111ms 13 Oct 2025 265th IanUtley 867 117 16ms 17 Jul 2024 266th Shanethegamer 🇺🇸 867 119 121ms 23 Apr 2022 266th MeWhenI 🇻🇦 867 119 132ms 13 Nov 2022 266th Lydxn 🇨🇦 867 119 122ms 4 Mar 2023 266th stefangimmillaro 867 119 131ms 22 Apr 2023 270th sean-niemann 🇺🇸 865 67 865ms 15 days ago 271st GrayJoKing 🇦🇺 865 88 9ms 31 Jan 2025 272nd SirBogman 🇺🇸 863 49 141ms 10 May 2022 272nd ovs-code 🇩🇪 863 49 135ms 10 Feb 2023 274th jared-hughes 863 100 2ms 6 Apr 2022 274th koipondx86 863 100 2ms 7 Nov 2024 276th ZakkkkAttackkkk 🇵🇭 862 80 10ms 23 Feb 2022 276th btjones0 862 80 9ms 15 Jul 2022 276th adamnielson42 🇺🇸 862 80 10ms 25 Apr 2023 276th PixelSoftwareStudios 🇺🇸 862 80 10ms 6 Jul 2024 280th neihousaigaai 862 82 10ms 11 Jan 2022 280th SirFireball3521 862 82 9ms 31 Oct 2022 280th thisishowmymindworks 🇳🇴 862 82 11ms 10 Jun 2023 283rd Shanethegamer 🇺🇸 862 101 2ms 11 Nov 2023 283rd DialFrost 🇸🇬 862 101 2ms 25 Jan 2024 283rd Yewzir 🇧🇪 862 101 2ms 19 Nov 2025 286th sisyphus-ppcg 🇦🇺 861 59 13ms 3 Oct 2024 286th retrohun 861 59 26ms 25 Dec 2024 288th btnlq 861 64 296ms 12 Jan 2022 288th nwellnhof 🇩🇪 861 64 281ms 27 Aug 2024 290th ovs-code 🇩🇪 861 66 5ms 30 Oct 2024 290th emgordon154 861 66 5ms 6 Jun 2025 292nd edsrzf 🇳🇿 861 95 117ms 28 Nov 2025 293rd ovs-code 🇩🇪 861 112 7ms 5 Jul 2024 294th primo-ppcg 🇹🇭 861 151 42ms 26 Apr 2025 295th HumanoidCPU 860 120 110ms 3 Mar 2025 296th edsrzf 🇳🇿 860 124 516ms 24 Sep 2025 296th dokutan 860 124 491ms 24 Sep 2025 298th arjanadriaanse 🇳🇱 860 130 141ms 8 Feb 2022 298th annaproxy 860 130 144ms 8 Feb 2022 300th DialFrost 🇸🇬 859 60 2ms 25 Dec 2024 301st Steffan153 🇫🇮 858 94 4ms 11 Dec 2023 302nd snoozingnewt 🇨🇦 857 78 81ms 22 Nov 2025 303rd primo-ppcg 🇹🇭 857 97 5ms 4 Jul 2023 304th prplz 🇦🇺 856 128 58ms 19 Jan 2022 305th lynn 855 46 33ms 11 Jan 2022 305th ovs-code 🇩🇪 855 46 33ms 30 Jun 2023 307th MeWhenI 🇻🇦 855 90 460ms 9 Aug 2023 308th edsrzf 🇳🇿 855 143 32ms 22 days ago 309th MeWhenI 🇻🇦 854 84 8ms 2 Aug 2023 310th rucin93 🇵🇱 854 102 2ms 10 Jul 2025 311th primo-ppcg 🇹🇭 854 117 36ms 20 Jun 2022 312th JayXon 🇺🇸 854 172 1,775ms 22 Apr 2024 313th CaedenHarper 🇨🇦 853 125 751ms 3 Oct 2025 314th Natanaelel 🇸🇪 853 131 148ms 18 May 2025 315th Irratix 🇳🇱 852 81 10ms 7 May 2022 315th plcc0 852 81 11ms 3 Mar 2025 317th m-tkach 🇺🇦 852 83 10ms 10 Jan 2022 317th trinityy-7 852 83 11ms 13 Mar 2024 317th penbuvt 852 83 10ms 7 Nov 2024 320th edsrzf 🇳🇿 852 103 106ms 17 Oct 2025 First Prev 241–320 of 1,600 Next Last