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 481st pardouin 🇫🇷 831 71 1,704ms 2 Sep 2025 482nd jared-hughes 831 200 8ms 18 Dec 2024 483rd Shanethegamer 🇺🇸 830 63 1ms 13 May 2023 484th neel11235813 830 91 502ms 13 Mar 2024 484th kg583 🇺🇸 830 91 441ms 21 Mar 2024 484th bizy-coder 830 91 410ms 1 Apr 2024 484th MeWhenI 🇻🇦 830 91 489ms 24 May 2024 484th duckyluuk 🇳🇱 830 91 498ms 21 Jun 2024 484th AlephSquirrel 830 91 496ms 3 Jul 2024 484th CaedenHarper 🇨🇦 830 91 505ms 30 Nov 2025 491st GrayJoKing 🇦🇺 830 130 2ms 12 Sep 2022 492nd Mandrzejy 🇵🇱 829 134 55ms 13 Sep 2024 492nd Steffan153 🇫🇮 829 134 36ms 5 days ago 494th CLOStrophobic 🇮🇹 828 123 8ms 21 Jan 2025 494th kg583 🇺🇸 828 123 8ms 20 Feb 2026 496th GrayJoKing 🇦🇺 827 99 4ms 20 Sep 2023 497th quimey 826 107 13ms 7 Mar 2023 497th fourth-bit 826 107 10ms 10 Jul 2024 497th fuzzylojik-golf 🇺🇸 826 107 11ms 19 May 2025 497th solisolu 826 107 12ms 25 Nov 2025 501st Shanethegamer 🇺🇸 825 112 1ms 20 Apr 2022 502nd primo-ppcg 🇹🇭 825 164 25ms 25 Jun 2022 503rd error256 824 66 37ms 8 May 2025 504th annaproxy 824 94 514ms 19 Mar 2022 505th MeWhenI 🇻🇦 824 102 5ms 26 Nov 2023 506th m-tkach 🇺🇦 824 130 515ms 25 Sep 2025 507th DialFrost 🇸🇬 824 286 140ms 22 Apr 2025 507th frankgraziano 824 286 651ms 31 Jan 2026 509th Frowny 823 53 32ms 11 Jan 2022 510th Irratix 🇳🇱 823 135 412ms 14 May 2022 511th inventshah 821 92 557ms 21 Jan 2024 511th GolfingSuccess 🇬🇷 821 92 501ms 2 Mar 2024 513th Shanethegamer 🇺🇸 821 124 7ms 27 Aug 2024 514th btnlq 821 125 15ms 12 Jan 2022 515th Steffan153 🇫🇮 819 57 3ms 6 Jan 2023 515th Natanaelel 🇸🇪 819 57 4ms 13 May 2023 517th stefangimmillaro 819 87 2,551ms 24 Nov 2024 517th emgordon154 819 87 2,621ms 6 Mar 2025 519th DialFrost 🇸🇬 819 118 461ms 27 Nov 2024 520th DialFrost 🇸🇬 818 72 984ms 4 Sep 2025 521st prplz 🇦🇺 818 108 14ms 11 Jan 2022 521st galloj 🇨🇿 818 108 10ms 21 Sep 2022 521st TaserTheFox 🇺🇸 818 108 11ms 3 Apr 2023 521st jatloe 818 108 10ms 26 Aug 2024 521st cros107 🇦🇺 818 108 11ms 10 Aug 2025 526th Yewzir 🇧🇪 818 113 1ms 29 Nov 2023 526th drabart 🇵🇱 818 113 2ms 18 Dec 2023 528th GrayJoKing 🇦🇺 818 152 29ms 18 Jul 2023 528th m-tkach 🇺🇦 818 152 29ms 10 Feb 2026 530th sean-niemann 🇺🇸 818 163 335ms 30 Aug 2023 530th Yewzir 🇧🇪 818 163 325ms 7 Feb 2024 530th CaedenHarper 🇨🇦 818 163 326ms 2 Nov 2025 533rd itsh01 817 87 12ms 13 Mar 2022 533rd AlephSquirrel 817 87 11ms 15 Feb 2023 533rd danielphilpottwork 817 87 13ms 20 Dec 2023 536th Shanethegamer 🇺🇸 817 136 86ms 20 Apr 2022 537th lynn 816 38 41ms 22 Jul 2022 537th MeWhenI 🇻🇦 816 38 44ms 25 Aug 2022 537th 5cw 🇺🇸 816 38 2ms 27 May 2024 537th emgordon154 816 38 3ms 8 Mar 2026 541st janbehrens 🇩🇪 816 103 4ms 2 Jul 2023 542nd kg583 🇺🇸 816 154 38ms 17 Nov 2025 543rd plcc0 815 125 7ms 23 Mar 2025 544th scpchicken 🇵🇼 814 55 144ms 13 Mar 2022 545th GrayJoKing 🇦🇺 813 113 401ms 24 Jul 2025 546th janlelis 812 67 36ms 11 Jan 2022 546th stefangimmillaro 812 67 40ms 26 Dec 2024 548th Shanethegamer 🇺🇸 812 93 539ms 16 Jan 2024 548th Yewzir 🇧🇪 812 93 525ms 22 Jun 2024 550th chunes3 🇺🇸 812 100 70ms 15 Sep 2023 550th Natanaelel 🇸🇪 812 100 66ms 8 Dec 2023 552nd jotslo 🇬🇧 812 107 2ms 17 Jul 2022 553rd error256 812 132 385ms 21 Nov 2025 554th emgordon154 811 125 7ms 6 Mar 2026 555th albanian-laundromat 🇺🇸 811 133 3ms 22 Sep 2025 556th m-tkach 🇺🇦 811 137 86ms 15 Jan 2022 556th sean-niemann 🇺🇸 811 137 91ms 3 Feb 2024 556th kg583 🇺🇸 811 137 37ms 5 days ago 559th MeWhenI 🇻🇦 810 101 4ms 23 May 2023 560th ZakkkkAttackkkk 🇵🇭 810 109 11ms 23 Feb 2022 First Prev 481–560 of 1,700 Next Last