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 sisyphus-ppcg 🇦🇺 849 64 39ms 11 Jan 2022 401st GrayJoKing 🇦🇺 849 64 38ms 10 Feb 2022 403rd ovs-code 🇩🇪 849 89 501ms 5 Jul 2024 404th VictorFordham 849 104 10ms 20 Feb 2023 404th Alex-x90 🇺🇸 849 104 10ms 3 Aug 2023 404th mathisfun271 849 104 11ms 5 Feb 2024 404th EnTerr 849 104 10ms 8 Sep 2024 404th KasperKivimaeki 🇫🇮 849 104 11ms 11 Jul 2025 404th luuumine 🇫🇷 849 104 12ms 31 Oct 2025 404th phSHARP 849 104 11ms 10 days ago 411th edsrzf 🇳🇿 849 147 40ms 17 days ago 412th prplz 🇦🇺 848 109 1ms 18 Jan 2022 412th xsot 🇸🇬 848 109 1ms 1 Feb 2024 414th ovs-code 🇩🇪 848 114 471ms 26 Nov 2024 415th kaascevich 848 123 123ms 21 Jul 2025 416th didion0 🇺🇸 846 84 11ms 25 Jan 2022 416th 13x1 🇩🇪 846 84 11ms 15 May 2023 416th biocommando 🇫🇮 846 84 10ms 11 Aug 2023 416th deancureton 846 84 12ms 29 Dec 2024 416th CaedenHarper 🇨🇦 846 84 11ms 22 Aug 2025 421st MeWhenI 🇻🇦 846 90 111ms 20 Oct 2022 422nd GrayJoKing 🇦🇺 846 115 9ms 28 Jul 2023 423rd lynn 844 124 1,396ms 16 Jan 2022 424th HumanoidCPU 844 127 491ms 8 Nov 2025 425th acotis 844 144 169ms 10 Feb 2026 425th vang1ong7ang 844 144 152ms 4 days ago 427th MeWhenI 🇻🇦 844 158 315ms 7 Jan 2025 428th jacobly0 🇺🇸 844 176 1,723ms 22 Apr 2024 429th clockworknazo 843 62 1ms 17 Nov 2022 430th DialFrost 🇸🇬 843 66 308ms 10 Oct 2024 431st Sakisan 🇧🇪 842 64 1,061ms 30 Jun 2022 432nd drabart 🇵🇱 842 132 83ms 16 Dec 2023 433rd edsrzf 🇳🇿 842 148 34ms 21 days ago 434th Shanethegamer 🇺🇸 841 92 440ms 26 Mar 2024 435th TFeld00 🇩🇰 841 105 11ms 19 May 2022 435th stefangimmillaro 841 105 11ms 26 Dec 2022 435th betaveros 841 105 10ms 1 Jan 2023 435th 5cw 🇺🇸 841 105 11ms 3 May 2023 435th minhtrancccp 841 105 11ms 26 Sep 2023 435th lifthrasiir 🇰🇷 841 105 11ms 20 Nov 2024 435th qpwoeirut 841 105 12ms 28 Sep 2025 442nd sean-niemann 🇺🇸 840 85 125ms 20 hours ago 443rd Irratix 🇳🇱 840 110 2ms 14 May 2022 443rd speles 🇺🇦 840 110 2ms 29 Oct 2023 445th m-tkach 🇺🇦 839 90 530ms 21 Jan 2024 445th sean-niemann 🇺🇸 839 90 443ms 28 Jan 2025 447th Shanethegamer 🇺🇸 839 159 332ms 20 Apr 2022 448th SirBogman 🇺🇸 838 37 2ms 27 May 2024 448th emgordon154 838 37 42ms 11 Sep 2024 448th Yewzir 🇧🇪 838 37 2ms 19 Dec 2024 451st 4hg 🇺🇸 838 52 32ms 26 Jul 2023 452nd MeWhenI 🇻🇦 836 65 35ms 7 Dec 2023 453rd MeWhenI 🇻🇦 836 69 5ms 13 Aug 2024 454th Natanaelel 🇸🇪 836 85 22ms 7 Feb 2023 454th HumanoidCPU 836 85 38ms 2 Mar 2025 456th edsrzf 🇳🇿 836 97 62ms 7 Oct 2025 457th jacobly0 🇺🇸 836 104 2ms 11 Sep 2023 458th MeWhenI 🇻🇦 836 106 140ms 16 days ago 459th lynn 836 148 30ms 18 Jul 2023 460th Alex-x90 🇺🇸 835 133 57ms 8 Aug 2023 460th Yewzir 🇧🇪 835 133 60ms 29 Nov 2023 462nd ovs-code 🇩🇪 835 224 1,459ms 18 Apr 2025 463rd clockworknazo 834 129 2ms 18 Sep 2022 464th emplv 🇱🇻 834 160 328ms 6 Jan 2023 464th KasperKivimaeki 🇫🇮 834 160 345ms 20 Oct 2025 466th Bulmenisaurus 833 106 11ms 2 Feb 2025 467th prplz 🇦🇺 832 93 425ms 18 Jan 2022 467th hemphen 832 93 369ms 28 Aug 2022 467th feberhard 832 93 469ms 6 Apr 2023 467th sean-niemann 🇺🇸 832 93 424ms 19 Apr 2025 471st emplv 🇱🇻 832 101 5ms 3 Jul 2023 471st stefangimmillaro 832 101 5ms 12 Oct 2023 471st edsrzf 🇳🇿 832 101 5ms 7 Oct 2025 474th ZakkkkAttackkkk 🇵🇭 832 111 1ms 9 Nov 2023 474th Szum123321 🇵🇱 832 111 2ms 9 Dec 2023 474th DialFrost 🇸🇬 832 111 1ms 20 Dec 2024 477th dcgjb 831 67 247ms 14 Feb 2024 478th pardouin 🇫🇷 831 71 1,321ms 2 Sep 2025 479th jared-hughes 831 200 8ms 18 Dec 2024 480th Shanethegamer 🇺🇸 830 63 1ms 13 May 2023 First Prev 401–480 of 1,655 Next Last