ISBN in all languages in chars. 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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 399th feberhard 827 93 461ms 6 Apr 2023 399th sean-niemann 🇺🇸 827 93 418ms 19 Apr 2025 403rd emplv 🇱🇻 827 160 284ms 6 Jan 2023 403rd KasperKivimaeki 🇫🇮 827 160 335ms 20 Oct 2025 405th lynn 826 148 30ms 18 Jul 2023 406th jared-hughes 826 200 8ms 18 Dec 2024 407th MeWhenI 🇻🇦 824 69 5ms 13 Aug 2024 408th Alex-x90 🇺🇸 824 133 55ms 8 Aug 2023 408th Yewzir 🇧🇪 824 133 58ms 29 Nov 2023 410th emplv 🇱🇻 823 101 6ms 3 Jul 2023 410th stefangimmillaro 823 101 4ms 12 Oct 2023 410th edsrzf 🇳🇿 823 101 5ms 7 Oct 2025 413th CLOStrophobic 🇮🇹 823 123 8ms 21 Jan 2025 413th kg583 🇺🇸 823 123 8ms 13 days ago 415th SirBogman 🇺🇸 822 37 2ms 27 May 2024 415th Yewzir 🇧🇪 822 37 2ms 19 Dec 2024 417th dcgjb 822 67 265ms 14 Feb 2024 418th GrayJoKing 🇦🇺 822 130 2ms 12 Sep 2022 419th duckyluuk 🇳🇱 821 75 416ms 29 Aug 2024 420th jeff-at-tamer-dot-codes 🇺🇸 821 84 10ms 19 May 2023 420th Artemis21 🇬🇧 821 84 11ms 10 Jan 2025 420th Flekay 🇩🇪 821 84 11ms 17 days ago 423rd Shanethegamer 🇺🇸 821 112 2ms 20 Apr 2022 424th Shanethegamer 🇺🇸 820 107 111ms 24 May 2025 425th m-tkach 🇺🇦 820 130 607ms 25 Sep 2025 426th Bubbler-4 819 48 33ms 15 Nov 2022 426th stackofbears 819 48 32ms 27 Dec 2023 428th pardouin 🇫🇷 819 71 1,238ms 2 Sep 2025 429th DialFrost 🇸🇬 819 286 140ms 22 Apr 2025 429th frankgraziano 819 286 651ms 31 Jan 2026 431st Shanethegamer 🇺🇸 818 63 1ms 13 May 2023 432nd annaproxy 818 94 428ms 19 Mar 2022 433rd Mandrzejy 🇵🇱 818 134 60ms 13 Sep 2024 434th primo-ppcg 🇹🇭 818 164 25ms 25 Jun 2022 435th o0lit3 🇺🇸 816 51 3ms 11 Jan 2022 436th JayXon 🇺🇸 816 55 35ms 25 Feb 2022 437th Shanethegamer 🇺🇸 816 124 6ms 27 Aug 2024 438th GrayJoKing 🇦🇺 815 99 4ms 20 Sep 2023 439th MeWhenI 🇻🇦 815 102 6ms 26 Nov 2023 440th Yewzir 🇧🇪 814 113 2ms 29 Nov 2023 440th drabart 🇵🇱 814 113 2ms 18 Dec 2023 442nd saito-ta 🇯🇵 812 32 41ms 19 Aug 2022 442nd canissimia 🇦🇶 812 32 38ms 19 Aug 2022 444th m42km 812 85 10ms 24 Oct 2023 444th emgordon154 812 85 10ms 1 Aug 2024 444th JunkIce 812 85 10ms 25 Nov 2024 444th robin-scragg 812 85 11ms 25 Jul 2025 448th itsh01 812 87 9ms 13 Mar 2022 448th AlephSquirrel 812 87 10ms 15 Feb 2023 448th danielphilpottwork 812 87 11ms 20 Dec 2023 448th Attero 🇸🇪 812 87 9ms 22 Dec 2023 452nd Irratix 🇳🇱 812 135 426ms 14 May 2022 453rd sean-niemann 🇺🇸 812 163 289ms 30 Aug 2023 453rd Yewzir 🇧🇪 812 163 295ms 7 Feb 2024 453rd CaedenHarper 🇨🇦 812 163 306ms 2 Nov 2025 456th emgordon154 812 181 1,625ms 22 Dec 2025 457th btnlq 811 125 14ms 12 Jan 2022 458th Yewzir 🇧🇪 810 76 404ms 22 Jun 2024 458th Shanethegamer 🇺🇸 810 76 406ms 10 Dec 2024 460th DialFrost 🇸🇬 810 118 461ms 27 Nov 2024 461st plcc0 809 125 6ms 23 Mar 2025 462nd stefangimmillaro 808 87 2,291ms 24 Nov 2024 462nd emgordon154 808 87 2,364ms 6 Mar 2025 464th ovs-code 🇩🇪 807 90 65ms 12 Sep 2024 464th primo-ppcg 🇹🇭 807 90 62ms 5 Apr 2025 466th janbehrens 🇩🇪 807 103 4ms 2 Jul 2023 467th jotslo 🇬🇧 807 107 2ms 17 Jul 2022 468th Mandrzejy 🇵🇱 807 114 1ms 13 Sep 2024 468th AZTECCO 807 114 2ms 16 Sep 2025 470th error256 807 132 385ms 21 Nov 2025 471st Shanethegamer 🇺🇸 806 136 56ms 20 Apr 2022 472nd DialFrost 🇸🇬 805 72 755ms 4 Sep 2025 473rd GrayJoKing 🇦🇺 805 113 430ms 24 Jul 2025 474th GrayJoKing 🇦🇺 804 152 30ms 18 Jul 2023 474th m-tkach 🇺🇦 804 152 31ms 23 days ago 476th albanian-laundromat 803 133 3ms 22 Sep 2025 477th lifthrasiir 🇰🇷 802 206 9ms 18 Dec 2024 478th emgordon154 802 234 1,418ms 18 Apr 2025 478th error256 802 234 1,524ms 24 days ago 480th 5cw 🇺🇸 801 38 2ms 27 May 2024 First Prev 401–480 of 1,601 Next Last