ISBN in all languages in bytes. 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 Bytes Time Submitted 401st edsrzf 🇳🇿 855 130 39ms 10 days ago 402nd edsrzf 🇳🇿 855 147 40ms 26 Mar 2026 403rd stefangimmillaro 855 156 316ms 20 Oct 2023 404th edsrzf 🇳🇿 854 69 739ms 23 days ago 405th JayXon 🇺🇸 854 205 1,624ms 9 days ago 406th 386asm 🇺🇸 852 118 38ms 5 May 2023 407th the-zammers 852 132 140ms 1 Oct 2023 408th sisyphus-ppcg 🇦🇺 850 64 39ms 11 Jan 2022 408th GrayJoKing 🇦🇺 850 64 39ms 10 Feb 2022 410th xsot 🇸🇬 849 55 3ms 6 Jul 2025 411th edsrzf 🇳🇿 849 84 2,408ms 43 hours ago 412th ovs-code 🇩🇪 849 89 501ms 5 Jul 2024 413th VictorFordham 849 104 10ms 20 Feb 2023 413th Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 413th mathisfun271 849 104 11ms 5 Feb 2024 413th EnTerr 849 104 10ms 8 Sep 2024 413th KasperKivimaeki 🇫🇮 849 104 11ms 11 Jul 2025 413th luuumine 🇫🇷 849 104 12ms 31 Oct 2025 413th phSHARP 849 104 11ms 22 days ago 420th GrayJoKing 🇦🇺 849 115 9ms 28 Jul 2023 421st lynn 849 124 1,521ms 16 Jan 2022 422nd prplz 🇦🇺 848 109 1ms 18 Jan 2022 422nd xsot 🇸🇬 848 109 1ms 1 Feb 2024 424th ovs-code 🇩🇪 848 114 471ms 26 Nov 2024 425th kaascevich 848 123 123ms 21 Jul 2025 426th didion0 🇺🇸 846 84 11ms 25 Jan 2022 426th 13x1 🇩🇪 846 84 11ms 15 May 2023 426th biocommando 🇫🇮 846 84 12ms 11 Aug 2023 426th deancureton 846 84 11ms 29 Dec 2024 426th CaedenHarper 🇨🇦 846 84 11ms 22 Aug 2025 431st Sakisan 🇧🇪 844 64 55ms 30 Jun 2022 432nd DialFrost 🇸🇬 844 66 310ms 10 Oct 2024 433rd HumanoidCPU 844 127 507ms 8 Nov 2025 434th acotis 844 144 171ms 10 Feb 2026 434th vang1ong7ang 844 144 153ms 17 days ago 436th MeWhenI 🇻🇦 844 158 299ms 7 Jan 2025 437th clockworknazo 843 62 1ms 17 Nov 2022 438th MeWhenI 🇻🇦 843 106 140ms 27 Mar 2026 439th sean-niemann 🇺🇸 842 85 145ms 13 days ago 440th drabart 🇵🇱 842 132 64ms 16 Dec 2023 441st ovs-code 🇩🇪 842 224 1,203ms 18 Apr 2025 442nd Shanethegamer 🇺🇸 841 92 470ms 26 Mar 2024 443rd TFeld00 🇩🇰 841 105 11ms 19 May 2022 443rd stefangimmillaro 841 105 11ms 26 Dec 2022 443rd betaveros 841 105 10ms 1 Jan 2023 443rd 5cw 🇺🇸 841 105 11ms 3 May 2023 443rd minhtrancccp 841 105 11ms 26 Sep 2023 443rd lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 443rd qpwoeirut 841 105 12ms 28 Sep 2025 450th MeWhenI 🇻🇦 840 69 5ms 13 Aug 2024 451st Irratix 🇳🇱 840 110 2ms 14 May 2022 451st speles 🇺🇦 840 110 2ms 29 Oct 2023 453rd lynn 840 148 30ms 18 Jul 2023 454th 4hg 🇺🇸 839 52 32ms 26 Jul 2023 455th m-tkach 🇺🇦 839 90 530ms 21 Jan 2024 455th sean-niemann 🇺🇸 839 90 443ms 28 Jan 2025 457th Shanethegamer 🇺🇸 839 159 332ms 20 Apr 2022 458th SirBogman 🇺🇸 838 37 2ms 27 May 2024 458th emgordon154 838 37 43ms 11 Sep 2024 458th Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 461st MeWhenI 🇻🇦 838 90 116ms 20 Oct 2022 462nd edsrzf 🇳🇿 838 97 62ms 7 Oct 2025 463rd MeWhenI 🇻🇦 837 65 35ms 7 Dec 2023 464th clockworknazo 837 129 2ms 18 Sep 2022 465th Natanaelel 🇸🇪 836 85 11ms 7 Feb 2023 465th HumanoidCPU 836 85 10ms 2 Mar 2025 467th jacobly0 🇺🇸 836 104 2ms 11 Sep 2023 468th Shanethegamer 🇺🇸 835 107 152ms 24 May 2025 469th Alex-x90 🇺🇸 835 133 62ms 8 Aug 2023 469th Yewzir 🇧🇪 835 133 57ms 29 Nov 2023 471st emplv 🇱🇻 834 160 328ms 6 Jan 2023 471st KasperKivimaeki 🇫🇮 834 160 345ms 20 Oct 2025 473rd Bulmenisaurus 833 106 11ms 2 Feb 2025 474th pardouin 🇫🇷 832 71 1,412ms 2 Sep 2025 475th rucin93 🇵🇱 832 86 135ms 14 Mar 2026 476th prplz 🇦🇺 832 93 465ms 18 Jan 2022 476th hemphen 832 93 427ms 28 Aug 2022 476th feberhard 832 93 493ms 6 Apr 2023 476th sean-niemann 🇺🇸 832 93 432ms 19 Apr 2025 480th emplv 🇱🇻 832 101 5ms 3 Jul 2023 First Prev 401–480 of 1,704 Next Last