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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 398th sean-niemann 🇺🇸 827 93 418ms 19 Apr 2025 402nd emplv 🇱🇻 827 160 292ms 6 Jan 2023 402nd KasperKivimaeki 🇫🇮 827 160 264ms 20 Oct 2025 404th lynn 826 148 29ms 18 Jul 2023 405th jared-hughes 826 200 10ms 18 Dec 2024 406th Alex-x90 🇺🇸 824 133 58ms 8 Aug 2023 406th Yewzir 🇧🇪 824 133 59ms 29 Nov 2023 408th emplv 🇱🇻 823 101 5ms 3 Jul 2023 408th stefangimmillaro 823 101 4ms 12 Oct 2023 408th edsrzf 🇳🇿 823 101 5ms 7 Oct 2025 411th CLOStrophobic 🇮🇹 823 123 8ms 21 Jan 2025 412th SirBogman 🇺🇸 822 37 2ms 27 May 2024 412th Yewzir 🇧🇪 822 37 2ms 19 Dec 2024 414th dcgjb 822 67 265ms 14 Feb 2024 415th Yewzir 🇧🇪 822 76 424ms 22 Jun 2024 415th Shanethegamer 🇺🇸 822 76 406ms 10 Dec 2024 417th albanian-laundromat 822 133 3ms 22 Sep 2025 418th jeff-at-tamer-dot-codes 🇺🇸 821 84 10ms 19 May 2023 418th Artemis21 🇬🇧 821 84 12ms 10 Jan 2025 420th Shanethegamer 🇺🇸 821 112 2ms 20 Apr 2022 421st Shanethegamer 🇺🇸 820 107 111ms 24 May 2025 422nd m-tkach 🇺🇦 820 130 607ms 25 Sep 2025 423rd Bubbler-4 819 48 34ms 15 Nov 2022 423rd stackofbears 819 48 32ms 27 Dec 2023 425th pardouin 🇫🇷 819 71 1,238ms 2 Sep 2025 426th DialFrost 🇸🇬 819 286 140ms 22 Apr 2025 426th frankgraziano 819 286 651ms 10 days ago 428th Shanethegamer 🇺🇸 818 63 2ms 13 May 2023 429th annaproxy 818 94 446ms 19 Mar 2022 430th Mandrzejy 🇵🇱 818 134 54ms 13 Sep 2024 431st primo-ppcg 🇹🇭 818 164 25ms 25 Jun 2022 432nd o0lit3 🇺🇸 816 51 3ms 11 Jan 2022 433rd JayXon 🇺🇸 816 55 35ms 25 Feb 2022 434th error256 816 75 767ms 2 hours ago 435th Shanethegamer 🇺🇸 816 124 6ms 27 Aug 2024 436th Steffan153 🇫🇮 815 82 89ms 11 Jul 2024 437th GrayJoKing 🇦🇺 815 99 4ms 20 Sep 2023 438th MeWhenI 🇻🇦 815 102 5ms 26 Nov 2023 439th Yewzir 🇧🇪 814 113 2ms 29 Nov 2023 439th drabart 🇵🇱 814 113 2ms 18 Dec 2023 441st saito-ta 🇯🇵 812 32 41ms 19 Aug 2022 441st canissimia 🇦🇶 812 32 38ms 19 Aug 2022 443rd KatieLG 🇬🇧 812 77 468ms 28 Oct 2024 444th itsh01 812 87 10ms 13 Mar 2022 444th AlephSquirrel 812 87 10ms 15 Feb 2023 444th danielphilpottwork 812 87 10ms 20 Dec 2023 444th Attero 🇸🇪 812 87 11ms 22 Dec 2023 448th Irratix 🇳🇱 812 135 398ms 14 May 2022 449th sean-niemann 🇺🇸 812 163 261ms 30 Aug 2023 449th Yewzir 🇧🇪 812 163 269ms 7 Feb 2024 449th CaedenHarper 🇨🇦 812 163 301ms 2 Nov 2025 452nd emgordon154 812 181 1,625ms 22 Dec 2025 453rd m42km 811 85 10ms 24 Oct 2023 453rd emgordon154 811 85 10ms 1 Aug 2024 453rd JunkIce 811 85 14ms 25 Nov 2024 453rd Flekay 🇩🇪 811 85 10ms 10 Jul 2025 453rd robin-scragg 811 85 11ms 25 Jul 2025 458th edsrzf 🇳🇿 811 93 2,233ms 1 Sep 2025 459th btnlq 811 125 13ms 12 Jan 2022 460th DialFrost 🇸🇬 810 118 467ms 27 Nov 2024 461st MeWhenI 🇻🇦 809 105 9ms 9 May 2024 462nd plcc0 809 125 7ms 23 Mar 2025 463rd ovs-code 🇩🇪 807 90 65ms 12 Sep 2024 463rd primo-ppcg 🇹🇭 807 90 62ms 5 Apr 2025 465th janbehrens 🇩🇪 807 103 5ms 2 Jul 2023 466th jotslo 🇬🇧 807 107 2ms 17 Jul 2022 467th Mandrzejy 🇵🇱 807 114 2ms 13 Sep 2024 467th AZTECCO 807 114 2ms 16 Sep 2025 469th error256 807 132 385ms 21 Nov 2025 470th Shanethegamer 🇺🇸 806 136 63ms 20 Apr 2022 471st albanian-laundromat 805 76 963ms 7 Nov 2025 472nd GrayJoKing 🇦🇺 805 113 421ms 24 Jul 2025 473rd GrayJoKing 🇦🇺 804 152 29ms 18 Jul 2023 473rd m-tkach 🇺🇦 804 152 31ms 12 hours ago 475th kg583 🇺🇸 803 126 6ms 26 Oct 2024 476th lifthrasiir 🇰🇷 802 206 10ms 18 Dec 2024 477th emgordon154 802 234 1,406ms 18 Apr 2025 477th error256 802 234 1,411ms 46 hours ago 479th 5cw 🇺🇸 801 38 2ms 27 May 2024 480th ScottHamper 801 96 449ms 26 Feb 2022 First Prev 401–480 of 1,585 Next Last