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 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 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 the-zammers 851 132 140ms 1 Oct 2023 402nd sisyphus-ppcg 🇦🇺 850 64 39ms 11 Jan 2022 402nd GrayJoKing 🇦🇺 850 64 38ms 10 Feb 2022 404th ovs-code 🇩🇪 850 114 471ms 26 Nov 2024 405th xsot 🇸🇬 849 55 3ms 6 Jul 2025 406th ovs-code 🇩🇪 849 89 501ms 5 Jul 2024 407th VictorFordham 849 104 10ms 20 Feb 2023 407th Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 407th mathisfun271 849 104 11ms 5 Feb 2024 407th EnTerr 849 104 10ms 8 Sep 2024 407th KasperKivimaeki 🇫🇮 849 104 11ms 11 Jul 2025 407th luuumine 🇫🇷 849 104 12ms 31 Oct 2025 407th phSHARP 849 104 11ms 12 days ago 414th kaascevich 849 123 123ms 21 Jul 2025 415th lynn 849 124 1,427ms 16 Jan 2022 416th edsrzf 🇳🇿 849 147 40ms 20 days ago 417th MeWhenI 🇻🇦 848 90 111ms 20 Oct 2022 418th prplz 🇦🇺 848 109 1ms 18 Jan 2022 418th xsot 🇸🇬 848 109 1ms 1 Feb 2024 420th edsrzf 🇳🇿 848 130 39ms 18 hours ago 421st didion0 🇺🇸 846 84 11ms 25 Jan 2022 421st 13x1 🇩🇪 846 84 11ms 15 May 2023 421st biocommando 🇫🇮 846 84 10ms 11 Aug 2023 421st deancureton 846 84 12ms 29 Dec 2024 421st CaedenHarper 🇨🇦 846 84 11ms 22 Aug 2025 426th GrayJoKing 🇦🇺 846 115 9ms 28 Jul 2023 427th acotis 845 144 169ms 10 Feb 2026 427th vang1ong7ang 845 144 152ms 7 days ago 429th MeWhenI 🇻🇦 845 158 315ms 7 Jan 2025 430th HumanoidCPU 844 127 491ms 8 Nov 2025 431st clockworknazo 843 62 1ms 17 Nov 2022 432nd DialFrost 🇸🇬 843 66 308ms 10 Oct 2024 433rd Sakisan 🇧🇪 842 64 1,061ms 30 Jun 2022 434th Shanethegamer 🇺🇸 842 92 440ms 26 Mar 2024 435th drabart 🇵🇱 842 132 83ms 16 Dec 2023 436th TFeld00 🇩🇰 841 105 11ms 19 May 2022 436th stefangimmillaro 841 105 11ms 26 Dec 2022 436th betaveros 841 105 10ms 1 Jan 2023 436th 5cw 🇺🇸 841 105 11ms 3 May 2023 436th minhtrancccp 841 105 11ms 26 Sep 2023 436th lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 436th qpwoeirut 841 105 12ms 28 Sep 2025 443rd sean-niemann 🇺🇸 840 85 125ms 3 days ago 444th MeWhenI 🇻🇦 840 106 140ms 19 days ago 445th Irratix 🇳🇱 840 110 2ms 14 May 2022 445th speles 🇺🇦 840 110 2ms 29 Oct 2023 447th lynn 840 148 30ms 18 Jul 2023 448th Shanethegamer 🇺🇸 840 159 332ms 20 Apr 2022 449th m-tkach 🇺🇦 839 90 530ms 21 Jan 2024 449th sean-niemann 🇺🇸 839 90 443ms 28 Jan 2025 451st SirBogman 🇺🇸 838 37 2ms 27 May 2024 451st emgordon154 838 37 42ms 11 Sep 2024 451st Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 454th 4hg 🇺🇸 838 52 32ms 26 Jul 2023 455th MeWhenI 🇻🇦 837 65 35ms 7 Dec 2023 456th jacobly0 🇺🇸 837 104 2ms 11 Sep 2023 457th MeWhenI 🇻🇦 836 69 5ms 13 Aug 2024 458th Natanaelel 🇸🇪 836 85 22ms 7 Feb 2023 458th HumanoidCPU 836 85 38ms 2 Mar 2025 460th edsrzf 🇳🇿 836 97 62ms 7 Oct 2025 461st Alex-x90 🇺🇸 836 133 57ms 8 Aug 2023 461st Yewzir 🇧🇪 836 133 60ms 29 Nov 2023 463rd emplv 🇱🇻 835 160 328ms 6 Jan 2023 463rd KasperKivimaeki 🇫🇮 835 160 345ms 20 Oct 2025 465th ovs-code 🇩🇪 835 224 1,465ms 18 Apr 2025 466th clockworknazo 834 129 2ms 18 Sep 2022 467th prplz 🇦🇺 833 93 425ms 18 Jan 2022 467th hemphen 833 93 369ms 28 Aug 2022 467th feberhard 833 93 469ms 6 Apr 2023 467th sean-niemann 🇺🇸 833 93 424ms 19 Apr 2025 471st emplv 🇱🇻 833 101 5ms 3 Jul 2023 471st stefangimmillaro 833 101 5ms 12 Oct 2023 471st edsrzf 🇳🇿 833 101 5ms 7 Oct 2025 474th Bulmenisaurus 833 106 11ms 2 Feb 2025 475th ZakkkkAttackkkk 🇵🇭 833 111 1ms 9 Nov 2023 475th Szum123321 🇵🇱 833 111 2ms 9 Dec 2023 475th DialFrost 🇸🇬 833 111 1ms 20 Dec 2024 478th pardouin 🇫🇷 832 71 1,321ms 2 Sep 2025 479th Shanethegamer 🇺🇸 832 107 152ms 24 May 2025 480th dcgjb 831 67 247ms 14 Feb 2024 First Prev 401–480 of 1,675 Next Last