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 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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 641st msbranicky 784 112 2ms 10 Oct 2023 642nd DialFrost 🇸🇬 784 113 151ms 24 May 2025 643rd MichalMarsalek 🇨🇿 784 117 412ms 21 Apr 2022 644th sean-niemann 🇺🇸 783 118 1ms 3 Feb 2024 645th AlephSquirrel 783 130 6ms 21 Oct 2024 646th imperfect-fourth 783 170 274ms 2 days ago 647th DialFrost 🇸🇬 783 241 1,443ms 18 Apr 2025 648th DialFrost 🇸🇬 782 91 2,754ms 25 Oct 2024 649th Skleni 782 99 508ms 6 Apr 2023 650th commandz0 🇺🇸 782 113 10ms 3 Nov 2022 650th jakobkordez 🇸🇮 782 113 10ms 13 Nov 2022 650th mossprescott 782 113 10ms 16 Jan 2023 650th SB-945 782 113 10ms 19 Aug 2023 650th davitf 782 113 10ms 30 Apr 2024 650th kbeat 🇰🇿 782 113 10ms 18 May 2025 656th albanian-laundromat 782 167 43ms 54 mins ago 657th adamnielson42 🇺🇸 780 91 9ms 26 Apr 2023 657th luuumine 🇫🇷 780 91 10ms 12 Nov 2025 659th Shanethegamer 🇺🇸 780 104 69ms 4 Dec 2024 660th Shanethegamer 🇺🇸 780 161 41ms 13 Feb 2025 661st MeWhenI 🇻🇦 779 43 4ms 1 Mar 2025 662nd JRaspass 🇬🇧 778 60 3ms 18 Jan 2023 663rd lifthrasiir 🇰🇷 778 97 528ms 2 Dec 2024 664th primo-ppcg 🇹🇭 777 118 373ms 9 Apr 2022 665th primo-ppcg 🇹🇭 777 131 6ms 20 Jan 2023 666th andersk 🇺🇸 777 156 235ms 30 Oct 2022 666th emgordon154 777 156 249ms 14 Mar 2025 668th denkyuu1 776 70 36ms 18 Feb 2026 669th call23re 776 112 2ms 12 Jan 2022 670th LHLaurini 🇧🇷 776 119 1ms 17 Jul 2024 670th solisolu 776 119 1ms 25 Nov 2025 672nd kmathis22 776 138 504ms 30 Oct 2025 673rd rak1507 🇬🇧 775 40 2ms 10 Jan 2022 673rd Frowny 775 40 2ms 13 Jan 2022 673rd jared-hughes 775 40 43ms 29 Jul 2022 673rd razetime 775 40 2ms 22 Aug 2022 677th Shanethegamer 🇺🇸 775 76 402ms 12 Oct 2022 677th stefangimmillaro 775 76 1,333ms 8 Jan 2023 677th MeWhenI 🇻🇦 775 76 1,213ms 10 May 2023 677th error256 775 76 1,384ms 14 Feb 2025 681st aonkeeper4 775 114 9ms 5 Jul 2022 681st frankgraziano 775 114 10ms 8 Jan 2023 681st m42km 775 114 10ms 22 Nov 2023 681st thienudomsrirungruang 775 114 17ms 14 May 2024 681st jtaxen 775 114 10ms 8 Jun 2024 681st CutSandstone 775 114 10ms 8 Jul 2024 687th Steffan153 🇫🇮 775 132 15ms 5 Jul 2024 688th strout 775 145 148ms 15 Aug 2022 689th frankgraziano 774 130 30ms 25 days ago 690th juliansiebert 🇩🇪 773 72 346ms 24 Jul 2022 691st albanian-laundromat 773 76 963ms 7 Nov 2025 692nd MeWhenI 🇻🇦 773 130 41ms 30 Dec 2025 693rd maxpelic 🇺🇸 772 92 10ms 5 Jul 2022 693rd astdefu 772 92 10ms 10 Dec 2022 693rd two-bad 🇬🇧 772 92 11ms 25 Feb 2024 693rd KatieLG 🇬🇧 772 92 9ms 8 Jul 2024 697th Shanethegamer 🇺🇸 772 157 151ms 8 Oct 2022 698th fuzzylojik-golf 🇺🇸 770 98 453ms 6 Jul 2025 699th Yewzir 🇧🇪 770 115 195ms 26 Dec 2023 700th primo-ppcg 🇹🇭 769 67 15ms 24 Jan 2022 701st Shanethegamer 🇺🇸 768 99 87ms 12 Dec 2022 702nd jmerle 🇳🇱 768 115 10ms 22 Jan 2022 702nd PiterAnnema 768 115 17ms 23 Mar 2022 702nd AGoyet 768 115 10ms 29 Jun 2022 702nd Eilonlif 🇮🇱 768 115 9ms 11 Sep 2022 702nd IsmaelGSerrano 768 115 9ms 2 Nov 2022 702nd bobbysq 768 115 10ms 22 Jan 2023 702nd msbranicky 768 115 10ms 25 Jul 2023 702nd ArenaGrenade 768 115 10ms 19 Feb 2024 702nd NickTheEASDude 🇺🇸 768 115 10ms 15 May 2024 702nd dokutan 768 115 9ms 13 Aug 2024 702nd maxgodfrey2004 🇨🇦 768 115 10ms 8 Jan 2025 702nd Pyroan 768 115 10ms 21 Feb 2025 702nd chartung17 768 115 10ms 24 Mar 2025 715th DialFrost 🇸🇬 765 71 37ms 26 Dec 2024 716th edsrzf 🇳🇿 765 93 2,784ms 1 Sep 2025 717th edsrzf 🇳🇿 765 107 80ms 28 Jun 2025 718th GrayJoKing 🇦🇺 765 126 458ms 1 Mar 2022 719th DialFrost 🇸🇬 765 133 6ms 11 Dec 2024 720th jerrandolph 765 174 294ms 20 Oct 2023 First Prev 641–720 of 1,616 Next Last