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 msbranicky 504 138 3ms 3 Oct 2024 722nd snoozingnewt 🇨🇦 504 142 417ms 2 Nov 2025 723rd blaztoma 🇱🇹 504 154 119ms 28 Nov 2025 724th MeWhenI 🇻🇦 502 149 54ms 4 Oct 2024 725th madex 🇩🇪 501 129 21ms 2 Oct 2024 725th RedzGoose 🇦🇺 501 129 11ms 15 Oct 2024 725th calebaitken 501 129 10ms 11 Apr 2025 725th rollershutter 501 129 19ms 20 Nov 2025 729th Europe2048 497 130 11ms 2 Oct 2024 729th nstearns96 🇬🇧 497 130 17ms 2 Oct 2024 729th Stockoh 🇫🇷 497 130 17ms 4 Jul 2025 732nd inverseLorentz 🇦🇺 494 131 12ms 7 Oct 2024 732nd sciencejiho 494 131 24ms 11 Feb 2025 732nd Jaydosu 494 131 11ms 11 Apr 2025 732nd Emutis 🇱🇹 494 131 10ms 11 Nov 2025 736th HumanoidCPU 493 145 441ms 5 Oct 2024 737th snoozingnewt 🇨🇦 493 150 198ms 2 Nov 2025 738th CarterStroik 493 161 2ms 19 Nov 2025 739th snoozingnewt 🇨🇦 493 249 26ms 2 Nov 2025 740th owen-c-parker 🇺🇸 492 131 11ms 1 Oct 2024 741st h-hh-hhh 🇺🇦 492 177 66ms 2 Nov 2024 742nd sultan 490 132 18ms 13 hours ago 743rd jlangvand 489 141 1ms 15 Oct 2024 743rd HumanoidCPU 489 141 1ms 7 Mar 2025 745th snoozingnewt 🇨🇦 487 117 1,338ms 2 Nov 2025 746th Mabeloid 🇳🇴 486 133 10ms 2 Oct 2024 747th snoozingnewt 🇨🇦 483 173 377ms 2 Nov 2025 748th mitzal 483 180 61ms 9 Feb 2025 749th Mikey-Beep 🇬🇧 479 135 17ms 3 days ago 750th MiffOttah 477 150 468ms 6 Oct 2024 750th mwarvik 🇳🇴 477 150 484ms 1 Jan 2026 752nd sciencedjinn 475 136 10ms 8 Nov 2024 752nd mchalunderscore 475 136 20ms 4 Jan 2025 752nd Florian-Mt 475 136 17ms 5 Dec 2025 755th alphafalfa 472 92 2ms 8 Nov 2024 756th kurkale6ka 472 137 29ms 16 Oct 2024 756th 4ndyJ 🇬🇧 472 137 12ms 14 Nov 2024 756th wobblybits 472 137 18ms 17 Aug 2025 756th Andrey2001 472 137 16ms 1 Feb 2026 756th tomh1012 472 137 18ms 4 Mar 2026 756th Aquateraneal 🇺🇸 472 137 18ms 8 Mar 2026 762nd luca1339 472 198 425ms 4 Nov 2024 763rd ejini6969 470 102 38ms 14 Jun 2025 764th h-hh-hhh 🇺🇦 469 147 1ms 2 Nov 2024 765th snoozingnewt 🇨🇦 469 200 230ms 2 Nov 2025 766th snoozingnewt 🇨🇦 466 121 231ms 27 Nov 2025 767th Jacob385 463 202 411ms 2 Oct 2024 768th iczelia 🇩🇪 462 94 2ms 23 Sep 2025 769th NanduBC 462 140 11ms 1 Oct 2024 769th jmerle 🇳🇱 462 140 10ms 10 Jan 2025 769th RobertHoeh 462 140 10ms 3 Mar 2025 769th smilesformiles3 462 140 18ms 12 Jun 2025 769th artem-aramma 462 140 16ms 18 Jun 2025 774th madex 🇩🇪 461 104 37ms 2 Oct 2024 775th FranklinJiaChen 459 141 13ms 2 Oct 2024 776th TheZwierzLF 🇵🇱 457 105 37ms 8 Jan 2026 777th jbjd 457 151 2ms 4 Feb 2026 778th brimstonetrader 455 142 16ms 17 Oct 2024 778th codewrite 🇬🇧 455 142 12ms 5 May 2025 778th RobGLambert 455 142 19ms 8 Jun 2025 778th GodlyProgrammer1 455 142 18ms 22 Nov 2025 778th jbjd 455 142 11ms 4 Feb 2026 783rd snoozingnewt 🇨🇦 455 149 5ms 2 Nov 2025 784th Arkadios200 455 180 109ms 2 days ago 785th IISResetMe 453 103 583ms 27 Nov 2025 786th TheZwierzLF 🇵🇱 453 127 505ms 12 Dec 2025 787th snoozingnewt 🇨🇦 452 96 2ms 2 Nov 2025 788th GeneralFabian 452 143 10ms 9 Dec 2024 788th CutSandstone 452 143 11ms 30 Jan 2025 788th kistlerf 🇨🇭 452 143 17ms 19 May 2025 791st dokutan 451 63 3ms 26 Nov 2024 792nd snoozingnewt 🇨🇦 451 176 2ms 2 Nov 2025 793rd hiichbindermax 449 144 19ms 2 Oct 2024 793rd mathisfun271 449 144 12ms 14 Oct 2024 793rd bob-th 449 144 11ms 22 Oct 2024 796th dokutan 447 109 10ms 19 Oct 2024 797th Andrey2001 446 129 549ms 1 Feb 2026 798th grey0ut 444 105 402ms 11 Jan 2025 799th croc54 443 146 11ms 15 Dec 2024 800th MyXoToD 🇩🇪 442 146 11ms 26 May 2025 First Prev 721–800 of 972 Next Last