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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 561st MichalMarsalek 🇨🇿 779 117 438ms 21 Apr 2022 562nd sean-niemann 🇺🇸 779 118 1ms 3 Feb 2024 563rd AlephSquirrel 779 130 6ms 21 Oct 2024 564th albanian-laundromat 🇺🇸 779 167 43ms 19 Mar 2026 565th DialFrost 🇸🇬 779 241 1,221ms 18 Apr 2025 566th MeWhenI 🇻🇦 778 224 1,712ms 6 days ago 567th adamnielson42 🇺🇸 777 91 11ms 26 Apr 2023 567th luuumine 🇫🇷 777 91 11ms 12 Nov 2025 569th Skleni 777 99 472ms 6 Apr 2023 570th DialFrost 🇸🇬 776 91 2,808ms 25 Oct 2024 571st hellwue 775 89 12ms 8 Feb 2023 571st elgan65536 🇺🇸 775 89 18ms 29 Mar 2024 571st AdamMorris377 775 89 11ms 29 Jul 2024 571st RaBa21 🇭🇺 775 89 20ms 19 Jul 2025 575th andersk 🇺🇸 775 156 244ms 30 Oct 2022 575th emgordon154 775 156 239ms 14 Mar 2025 577th xsot 🇸🇬 774 58 38ms 6 Jul 2025 577th sean-niemann 🇺🇸 774 58 38ms 3 Aug 2025 579th error256 774 74 1,131ms 13 Feb 2026 580th clockworknazo 774 85 4ms 25 Mar 2023 581st LHLaurini 🇧🇷 773 119 1ms 17 Jul 2024 581st solisolu 773 119 1ms 25 Nov 2025 583rd frankgraziano 773 130 7ms 22 Feb 2026 584th primo-ppcg 🇹🇭 773 131 7ms 20 Jan 2023 585th nwellnhof 🇩🇪 772 54 5ms 22 May 2022 586th primo-ppcg 🇹🇭 772 118 402ms 9 Apr 2022 587th strout 772 145 148ms 15 Aug 2022 587th jusaka 772 145 144ms 8 days ago 589th call23re 771 112 2ms 12 Jan 2022 590th Steffan153 🇫🇮 771 132 14ms 5 Jul 2024 591st Shanethegamer 🇺🇸 771 157 151ms 8 Oct 2022 592nd prestosilver 🇺🇸 771 226 1,650ms 8 days ago 593rd scpchicken 🇵🇼 770 55 144ms 13 Mar 2022 594th Yewzir 🇧🇪 770 115 195ms 26 Dec 2023 595th MeWhenI 🇻🇦 769 130 41ms 30 Dec 2025 596th stefangimmillaro 768 76 1,384ms 8 Jan 2023 596th MeWhenI 🇻🇦 768 76 1,271ms 10 May 2023 596th error256 768 76 1,439ms 14 Feb 2025 599th maxpelic 🇺🇸 768 92 9ms 5 Jul 2022 599th astdefu 768 92 11ms 10 Dec 2022 599th two-bad 🇬🇧 768 92 9ms 25 Feb 2024 599th dokutan 768 92 10ms 15 Jun 2025 603rd Shanethegamer 🇺🇸 767 76 426ms 12 Oct 2022 604th sjrct 767 90 10ms 5 Aug 2024 604th webmiche 767 90 13ms 3 Nov 2025 606th kmathis22 766 138 475ms 30 Oct 2025 607th ovs-code 🇩🇪 765 34 40ms 14 May 2024 608th juliansiebert 🇩🇪 765 72 250ms 24 Jul 2022 609th jerrandolph 763 174 327ms 20 Oct 2023 610th DialFrost 🇸🇬 762 133 7ms 11 Dec 2024 611th rak1507 🇬🇧 761 40 2ms 10 Jan 2022 611th Frowny 761 40 2ms 13 Jan 2022 611th razetime 761 40 2ms 22 Aug 2022 614th MeWhenI 🇻🇦 761 43 4ms 1 Mar 2025 615th MeWhenI 🇻🇦 761 59 38ms 24 Aug 2022 615th janlelis 761 59 37ms 21 Sep 2024 617th emgordon154 761 81 492ms 1 Aug 2024 618th GrayJoKing 🇦🇺 761 126 458ms 1 Mar 2022 619th kejcao 🇨🇦 761 147 152ms 3 Aug 2024 620th primo-ppcg 🇹🇭 760 67 15ms 24 Jan 2022 621st Andrey-Plotnikov 760 93 10ms 21 Jun 2025 621st Protothor 760 93 10ms 9 Jul 2025 623rd retrohun 760 121 1ms 30 Dec 2022 623rd abc7-12 760 121 1ms 26 Jun 2024 625th annaproxy 760 134 15ms 24 Dec 2022 626th dokutan 759 81 127ms 15 Jun 2025 627th xsot 🇸🇬 758 55 3ms 6 Jul 2025 628th P-Quentin 🇫🇷 758 91 12ms 5 Aug 2022 628th Rubiksmath 758 91 18ms 28 Jun 2024 628th wh3n3v3r 🇨🇿 758 91 11ms 11 Nov 2024 631st DialFrost 🇸🇬 758 114 2ms 1 Nov 2024 632nd edsrzf 🇳🇿 758 132 43ms 31 Dec 2025 633rd MeWhenI 🇻🇦 758 146 61ms 13 Nov 2022 633rd janbehrens 🇩🇪 758 146 63ms 23 Jun 2023 635th MeWhenI 🇻🇦 757 128 8ms 21 Jul 2023 636th ovs-code 🇩🇪 756 87 4ms 8 Mar 2023 637th Shanethegamer 🇺🇸 755 73 285ms 14 Jun 2024 638th DialFrost 🇸🇬 755 142 2ms 14 Sep 2024 639th albanian-laundromat 🇺🇸 754 76 1,071ms 7 Nov 2025 640th c0d3-4-F00d 🇩🇪 754 122 2ms 21 Feb 2022 First Prev 561–640 of 1,692 Next Last