Card Number Validation 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 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 721st madex 🇩🇪 501 129 16ms 2 Oct 2024 721st RedzGoose 🇦🇺 501 129 11ms 15 Oct 2024 721st calebaitken 501 129 10ms 11 Apr 2025 721st rollershutter 501 129 17ms 20 Nov 2025 725th blaztoma 🇱🇹 500 154 119ms 28 Nov 2025 726th MeWhenI 🇻🇦 499 149 56ms 4 Oct 2024 727th Europe2048 497 130 10ms 2 Oct 2024 727th nstearns96 🇬🇧 497 130 17ms 2 Oct 2024 727th Stockoh 🇫🇷 497 130 17ms 4 Jul 2025 730th inverseLorentz 🇦🇺 494 131 11ms 7 Oct 2024 730th sciencejiho 494 131 17ms 11 Feb 2025 730th Jaydosu 494 131 11ms 11 Apr 2025 730th Emutis 🇱🇹 494 131 9ms 11 Nov 2025 734th CarterStroik 493 161 2ms 19 Nov 2025 735th owen-c-parker 🇺🇸 492 131 10ms 1 Oct 2024 736th HumanoidCPU 492 145 480ms 5 Oct 2024 737th h-hh-hhh 🇺🇦 491 177 70ms 2 Nov 2024 738th scpchicken 🇵🇼 490 132 17ms 19 hours ago 739th snoozingnewt 🇨🇦 490 150 219ms 2 Nov 2025 740th snoozingnewt 🇨🇦 490 249 26ms 2 Nov 2025 741st denkyuu1 489 115 277ms 5 days ago 742nd jlangvand 489 141 1ms 15 Oct 2024 742nd HumanoidCPU 489 141 1ms 7 Mar 2025 744th snoozingnewt 🇨🇦 486 117 1,338ms 2 Nov 2025 745th Mabeloid 🇳🇴 486 133 11ms 2 Oct 2024 746th mitzal 483 180 70ms 9 Feb 2025 747th snoozingnewt 🇨🇦 482 173 377ms 2 Nov 2025 748th MiffOttah 476 150 478ms 6 Oct 2024 748th mwarvik 🇳🇴 476 150 431ms 1 Jan 2026 750th sciencedjinn 475 136 10ms 8 Nov 2024 750th mchalunderscore 475 136 18ms 4 Jan 2025 750th Florian-Mt 475 136 17ms 5 Dec 2025 753rd alphafalfa 472 92 2ms 8 Nov 2024 754th kurkale6ka 472 137 22ms 16 Oct 2024 754th 4ndyJ 🇬🇧 472 137 11ms 14 Nov 2024 754th Mikey-Beep 🇬🇧 472 137 17ms 6 Aug 2025 754th wobblybits 472 137 19ms 17 Aug 2025 754th Andrey2001 472 137 9ms 1 Feb 2026 754th tomh1012 472 137 17ms 4 Mar 2026 754th Aquateraneal 🇺🇸 472 137 17ms 8 Mar 2026 761st luca1339 472 198 425ms 4 Nov 2024 762nd ejini6969 469 102 39ms 14 Jun 2025 763rd h-hh-hhh 🇺🇦 469 147 1ms 2 Nov 2024 764th snoozingnewt 🇨🇦 469 200 230ms 2 Nov 2025 765th snoozingnewt 🇨🇦 465 121 229ms 27 Nov 2025 766th Jacob385 463 202 418ms 2 Oct 2024 767th iczelia 🇩🇪 462 94 2ms 23 Sep 2025 768th NanduBC 462 140 9ms 1 Oct 2024 768th jmerle 🇳🇱 462 140 10ms 10 Jan 2025 768th RobertHoeh 462 140 11ms 3 Mar 2025 768th smilesformiles3 462 140 17ms 12 Jun 2025 768th artem-aramma 462 140 18ms 18 Jun 2025 773rd madex 🇩🇪 460 104 37ms 2 Oct 2024 774th FranklinJiaChen 459 141 10ms 2 Oct 2024 775th jbjd 457 151 2ms 4 Feb 2026 776th TheZwierzLF 🇵🇱 456 105 37ms 8 Jan 2026 777th brimstonetrader 455 142 11ms 17 Oct 2024 777th codewrite 🇬🇧 455 142 10ms 5 May 2025 777th RobGLambert 455 142 17ms 8 Jun 2025 777th GodlyProgrammer1 455 142 18ms 22 Nov 2025 777th jbjd 455 142 11ms 4 Feb 2026 782nd snoozingnewt 🇨🇦 455 149 5ms 2 Nov 2025 783rd IISResetMe 453 103 583ms 27 Nov 2025 784th TheZwierzLF 🇵🇱 453 127 507ms 12 Dec 2025 785th snoozingnewt 🇨🇦 452 96 2ms 2 Nov 2025 786th GeneralFabian 452 143 10ms 9 Dec 2024 786th CutSandstone 452 143 10ms 30 Jan 2025 786th kistlerf 🇨🇭 452 143 17ms 19 May 2025 789th dokutan 451 63 3ms 26 Nov 2024 790th snoozingnewt 🇨🇦 451 176 2ms 2 Nov 2025 791st hiichbindermax 449 144 17ms 2 Oct 2024 791st mathisfun271 449 144 10ms 14 Oct 2024 791st bob-th 449 144 10ms 22 Oct 2024 794th Andrey2001 446 129 525ms 1 Feb 2026 795th dokutan 445 109 10ms 19 Oct 2024 796th grey0ut 444 105 435ms 11 Jan 2025 797th croc54 443 146 10ms 15 Dec 2024 798th MyXoToD 🇩🇪 442 146 9ms 26 May 2025 799th Yewzir 🇧🇪 442 171 12ms 26 Dec 2024 800th PyryL 🇫🇮 440 147 10ms 1 Mar 2025 First Prev 721–800 of 930 Next Last