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) Taxicab Numbers 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 Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic 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) Taxicab Numbers 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 Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 501st quimey 826 107 13ms 7 Mar 2023 501st fourth-bit 826 107 10ms 10 Jul 2024 501st fuzzylojik-golf 🇺🇸 826 107 11ms 19 May 2025 501st solisolu 826 107 12ms 25 Nov 2025 505th Shanethegamer 🇺🇸 825 112 1ms 20 Apr 2022 506th error256 824 66 39ms 8 May 2025 507th GrayJoKing 🇦🇺 824 99 4ms 20 Sep 2023 508th m-tkach 🇺🇦 824 130 367ms 25 Sep 2025 509th Frowny 823 53 32ms 11 Jan 2022 510th annaproxy 823 94 457ms 19 Mar 2022 511th primo-ppcg 🇹🇭 823 164 25ms 25 Jun 2022 512th Steffan153 🇫🇮 822 134 36ms 16 days ago 513th Irratix 🇳🇱 822 135 443ms 14 May 2022 514th DialFrost 🇸🇬 822 286 140ms 22 Apr 2025 514th frankgraziano 822 286 651ms 31 Jan 2026 516th inventshah 821 92 557ms 21 Jan 2024 516th GolfingSuccess 🇬🇷 821 92 501ms 2 Mar 2024 518th Shanethegamer 🇺🇸 821 124 7ms 27 Aug 2024 519th Steffan153 🇫🇮 819 57 3ms 6 Jan 2023 519th Natanaelel 🇸🇪 819 57 4ms 13 May 2023 521st janbehrens 🇩🇪 819 103 4ms 2 Jul 2023 522nd stefangimmillaro 818 87 2,673ms 24 Nov 2024 522nd emgordon154 818 87 2,704ms 6 Mar 2025 524th prplz 🇦🇺 818 108 14ms 11 Jan 2022 524th galloj 🇨🇿 818 108 10ms 21 Sep 2022 524th TaserTheFox 🇺🇸 818 108 11ms 3 Apr 2023 524th jatloe 818 108 10ms 26 Aug 2024 524th cros107 🇦🇺 818 108 11ms 10 Aug 2025 529th Yewzir 🇧🇪 818 113 1ms 29 Nov 2023 529th drabart 🇵🇱 818 113 2ms 18 Dec 2023 531st btnlq 818 125 15ms 12 Jan 2022 532nd sean-niemann 🇺🇸 817 163 335ms 30 Aug 2023 532nd Yewzir 🇧🇪 817 163 325ms 7 Feb 2024 532nd CaedenHarper 🇨🇦 817 163 326ms 2 Nov 2025 535th lynn 816 38 39ms 22 Jul 2022 535th MeWhenI 🇻🇦 816 38 41ms 25 Aug 2022 535th 5cw 🇺🇸 816 38 2ms 27 May 2024 535th emgordon154 816 38 3ms 8 Mar 2026 539th DialFrost 🇸🇬 816 72 749ms 4 Sep 2025 540th itsh01 816 87 12ms 13 Mar 2022 540th AlephSquirrel 816 87 11ms 15 Feb 2023 540th danielphilpottwork 816 87 16ms 20 Dec 2023 543rd DialFrost 🇸🇬 816 118 461ms 27 Nov 2024 544th Shanethegamer 🇺🇸 816 136 60ms 20 Apr 2022 545th plcc0 814 125 7ms 23 Mar 2025 546th GrayJoKing 🇦🇺 814 152 29ms 18 Jul 2023 546th m-tkach 🇺🇦 814 152 29ms 10 Feb 2026 548th emgordon154 814 214 1,670ms 10 days ago 548th Yewzir 🇧🇪 814 214 1,692ms 14 hours ago 550th scpchicken 🇵🇼 813 55 145ms 13 Mar 2022 551st Shanethegamer 🇺🇸 812 93 539ms 16 Jan 2024 551st Yewzir 🇧🇪 812 93 525ms 22 Jun 2024 553rd jotslo 🇬🇧 812 107 2ms 17 Jul 2022 554th janlelis 811 67 38ms 11 Jan 2022 554th stefangimmillaro 811 67 36ms 26 Dec 2024 556th chunes3 🇺🇸 811 100 70ms 15 Sep 2023 556th Natanaelel 🇸🇪 811 100 66ms 8 Dec 2023 558th GrayJoKing 🇦🇺 811 113 433ms 24 Jul 2025 559th error256 811 132 431ms 21 Nov 2025 560th kg583 🇺🇸 811 154 38ms 17 Nov 2025 561st ZakkkkAttackkkk 🇵🇭 810 109 11ms 23 Feb 2022 561st cefqrn 810 109 11ms 24 Dec 2022 561st AlexanderFair 810 109 11ms 11 Jul 2023 561st PixelSoftwareStudios 🇺🇸 810 109 11ms 6 Jul 2024 561st andrewjc2000 810 109 11ms 9 Mar 2025 561st tomh1012 810 109 11ms 4 Mar 2026 567th Mandrzejy 🇵🇱 810 114 1ms 13 Sep 2024 567th AZTECCO 810 114 1ms 16 Sep 2025 569th m-tkach 🇺🇦 810 137 62ms 15 Jan 2022 569th sean-niemann 🇺🇸 810 137 59ms 3 Feb 2024 571st albanian-laundromat 🇺🇸 809 133 3ms 22 Sep 2025 572nd denkyuu1 807 73 475ms 20 days ago 573rd MeWhenI 🇻🇦 807 101 4ms 23 May 2023 574th ScottHamper 806 96 477ms 26 Feb 2022 574th stefangimmillaro 806 96 442ms 5 Jan 2023 574th bojernico 806 96 479ms 6 Apr 2023 577th edsrzf 🇳🇿 806 114 7ms 22 Aug 2025 578th emgordon154 805 125 7ms 6 Mar 2026 579th h3ra993huskp 🇯🇵 805 133 420ms 30 Nov 2025 580th scpchicken 🇵🇼 804 58 3ms 22 Feb 2023 580th blaztoma 🇱🇹 804 58 4ms 10 Mar 2026 582nd Shanethegamer 🇺🇸 804 89 133ms 8 Jan 2025 582nd emplv 🇱🇻 804 89 137ms 28 Mar 2025 582nd ovs-code 🇩🇪 804 89 136ms 17 Apr 2025 585th mtirado1 804 108 2ms 6 May 2023 586th typeswitch-dev 🇵🇹 804 121 8ms 14 Aug 2023 587th kg583 🇺🇸 804 137 37ms 16 days ago 588th Babafaba 803 94 592ms 28 Nov 2025 588th snoozingnewt 🇨🇦 803 94 526ms 20 Feb 2026 590th btjones0 803 110 11ms 25 Jan 2022 590th adamnielson42 🇺🇸 803 110 11ms 25 Apr 2023 590th sultan 803 110 11ms 24 Feb 2024 590th fgrosshans 🇫🇷 803 110 10ms 16 Jul 2024 590th InigoK 🇺🇸 803 110 14ms 22 Sep 2025 590th albanian-laundromat 🇺🇸 803 110 12ms 7 Nov 2025 590th vhoulbreque 🇫🇷 803 110 11ms 25 Nov 2025 597th madex 🇩🇪 803 115 2ms 10 Apr 2022 597th FragmentedCurve 803 115 2ms 22 Nov 2023 597th mathisfun271 803 115 2ms 5 Feb 2024 600th Shanethegamer 🇺🇸 803 168 25ms 28 Apr 2022 First Prev 501–600 of 1,647 Next Last