ISBN in C# 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 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 Chars Time Submitted 1st btnlq 1,000 82 472ms 11 Mar 2023 1st JayXon 🇺🇸 1,000 82 452ms 11 Mar 2023 1st Lydxn 🇨🇦 1,000 82 496ms 19 May 2023 1st nwellnhof 🇩🇪 1,000 82 420ms 27 Jun 2023 1st tomtheisen 🇺🇸 1,000 82 434ms 5 Feb 2025 1st AdrienHache 🇫🇷 1,000 82 423ms 23 Jul 2025 7th namelessiw 988 83 438ms 1 Aug 2025 8th Yax42 🇫🇷 976 84 452ms 31 Jan 2025 9th Steffan153 🇫🇮 943 87 417ms 21 Aug 2024 10th MeWhenI 🇻🇦 911 90 439ms 9 Aug 2023 11th Shanethegamer 🇺🇸 891 92 440ms 26 Mar 2024 12th prplz 🇦🇺 882 93 449ms 18 Jan 2022 12th hemphen 882 93 434ms 28 Aug 2022 12th feberhard 882 93 475ms 6 Apr 2023 12th sean-niemann 🇺🇸 882 93 424ms 19 Apr 2025 16th annaproxy 872 94 438ms 19 Mar 2022 17th ScottHamper 854 96 437ms 26 Feb 2022 17th stefangimmillaro 854 96 419ms 5 Jan 2023 17th bojernico 854 96 449ms 6 Apr 2023 20th tomh1012 837 98 437ms 31 Jan 2022 20th pkim 837 98 450ms 6 Apr 2023 20th danielxbauer 837 98 459ms 6 Apr 2023 20th meinsiedler 837 98 412ms 6 Apr 2023 20th postie77 837 98 461ms 8 May 2023 20th arcpolaris 837 98 416ms 6 hours ago 26th Skleni 828 99 402ms 6 Apr 2023 27th billings7 🇬🇧 781 105 428ms 12 Nov 2023 27th MiffOttah 781 105 422ms 28 Nov 2024 29th ericlangedijk 🇸🇮 774 106 421ms 19 Mar 2022 30th revlayle 🇺🇸 759 108 467ms 20 Jan 2022 30th primo-ppcg 🇹🇭 759 108 405ms 20 Apr 2022 32nd Yewzir 🇧🇪 732 112 447ms 1 Dec 2023 32nd michelebastione 🇮🇹 732 112 419ms 20 Sep 2025 34th fabianrieder 719 114 429ms 6 Apr 2023 35th janbehrens 🇩🇪 713 115 463ms 23 Jun 2023 36th roavin 707 116 398ms 23 Jun 2022 36th hamhub7 707 116 397ms 9 Aug 2022 36th bac0id 707 116 397ms 22 Sep 2023 36th CaedenHarper 🇨🇦 707 116 411ms 16 Oct 2025 40th HumanoidCPU 695 118 412ms 3 Mar 2025 41st m-tkach 🇺🇦 678 121 387ms 10 Jan 2022 41st arctouch-cristiannevianna 678 121 394ms 1 Mar 2024 41st acer-xq 678 121 394ms 5 Aug 2024 44th rifatx 667 123 372ms 14 Jul 2024 45th Mikey-Beep 🇬🇧 646 127 433ms 4 Sep 2024 46th p-vf 🇨🇭 636 129 418ms 16 Jul 2022 47th amazingalek 🇳🇴 631 130 393ms 30 Dec 2025 47th mwarvik 🇳🇴 631 130 411ms 31 Dec 2025 49th alicethecatwhisperermeow 617 133 426ms 7 Aug 2024 50th adotagarwal 603 136 435ms 4 Mar 2023 50th aliakseikalosha 603 136 380ms 7 Oct 2024 50th snoozingnewt 🇨🇦 603 136 397ms 28 Sep 2025 53rd Adix-null 🇱🇹 599 137 399ms 10 Nov 2025 54th codewrite 🇬🇧 573 143 414ms 4 Jan 2026 55th malworthy 566 145 425ms 9 Aug 2024 56th msbranicky 550 149 457ms 22 Aug 2023 57th krcs 🇵🇱 532 154 411ms 10 May 2022 57th tobiasberei 532 154 427ms 6 Apr 2023 59th KatieLG 🇬🇧 474 173 368ms 15 Jan 2022 60th gblikas 432 190 369ms 21 Aug 2024 61st memmaptensor 🇹🇭 410 200 447ms 21 Jan 2022 62nd 0xDomi 380 216 395ms 6 Apr 2023 63rd chrispewebb 259 317 416ms 28 Nov 2025 64th Trickermand 243 337 422ms 12 Dec 2022 65th KatieLG-Transpiler 🇬🇧 193 425 420ms 4 Jul 2022 1–65 of 65
