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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 299th fkantelberg 789 82 11ms 11 Jul 2025 299th BrunoVisnadi 🇧🇷 789 82 10ms 21 Sep 2025 303rd Shanethegamer 🇺🇸 789 88 106ms 4 Oct 2024 304th MeWhenI 🇻🇦 789 122 39ms 5 Oct 2024 305th emgordon154 789 151 340ms 17 Jan 2025 306th edsrzf 🇳🇿 788 119 158ms 23 Jul 2025 307th KingSkyrock 🇺🇸 786 82 14ms 14 Oct 2024 308th Shanethegamer 🇺🇸 786 91 459ms 3 Oct 2024 309th stefangimmillaro 785 61 39ms 1 Oct 2024 310th namelessiw 785 119 483ms 9 Oct 2025 311th SirBogman 🇺🇸 785 138 39ms 11 Jul 2025 312th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 313th Shanethegamer 🇺🇸 784 152 337ms 3 Oct 2024 313th targrik 784 152 342ms 7 Jul 2025 315th sean-niemann 🇺🇸 782 107 389ms 3 Oct 2024 316th SirBogman 🇺🇸 780 50 32ms 8 Jul 2025 317th duckyluuk 🇳🇱 780 97 11ms 25 Nov 2025 318th albanian-laundromat 🇺🇸 779 74 772ms 3 Nov 2025 319th Bmrl7 779 83 11ms 3 Oct 2024 320th m-tkach 🇺🇦 779 131 2ms 4 Oct 2024 321st bizy-coder 778 74 469ms 1 Oct 2024 321st m-tkach 🇺🇦 778 74 456ms 3 Oct 2024 323rd Shanethegamer 🇺🇸 778 120 536ms 24 Sep 2025 324th uttumuttu 🇫🇮 777 83 13ms 1 Oct 2024 324th KatieLG 🇬🇧 777 83 13ms 1 Oct 2024 324th Larento 777 83 13ms 4 Nov 2024 324th Andrey-Plotnikov 777 83 13ms 13 Jan 2025 324th nathanadams 🇳🇿 777 83 11ms 6 Oct 2025 329th adriweb 🇫🇷 777 102 1ms 5 Oct 2024 330th sean-niemann 🇺🇸 777 105 461ms 1 Oct 2024 331st AlephSquirrel 776 124 7ms 21 Oct 2024 332nd Natanaelel 🇸🇪 775 143 145ms 20 Apr 2025 333rd sisyphus-ppcg 🇦🇺 773 62 36ms 3 Oct 2024 334th DialFrost 🇸🇬 773 90 2ms 18 Nov 2025 335th DialFrost 🇸🇬 772 121 557ms 24 Sep 2025 336th emgordon154 771 197 1,641ms 10 days ago 337th AlephSquirrel 770 84 22ms 1 Oct 2024 337th kops-cg 770 84 20ms 22 Feb 2025 337th xnor-gate 770 84 23ms 23 Feb 2025 340th targrik 770 88 8ms 7 Feb 2025 341st Waffle3z 770 103 2ms 2 Oct 2024 342nd xsot 🇸🇬 770 125 7ms 20 Oct 2024 343rd retrohun 769 63 20ms 2 Oct 2024 344th didion0 🇺🇸 768 84 14ms 10 Jan 2025 345th ovs-code 🇩🇪 768 122 164ms 25 Apr 2025 346th albanian-laundromat 🇺🇸 768 159 32ms 4 days ago 347th lifthrasiir 🇰🇷 767 37 2ms 27 Nov 2024 348th dokutan 767 75 392ms 14 Mar 2026 349th MeWhenI 🇻🇦 767 109 389ms 2 Oct 2024 350th retrohun 766 90 2ms 23 days ago 351st emplv 🇱🇻 764 76 132ms 29 Oct 2024 352nd albanian-laundromat 🇺🇸 763 118 90ms 13 Nov 2025 353rd GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 354th inventshah 761 85 22ms 4 Oct 2024 354th Artemis21 🇬🇧 761 85 11ms 10 Jan 2025 354th keelimeguy 🇺🇸 761 85 20ms 14 Jun 2025 357th MeWhenI 🇻🇦 761 89 6ms 2 Oct 2024 358th emgordon154 760 63 38ms 18 Nov 2024 358th SirBogman 🇺🇸 760 63 37ms 19 Jul 2025 360th DialFrost 🇸🇬 759 76 802ms 30 Aug 2025 361st weliveinhell 🇭🇹 759 85 10ms 1 Oct 2024 361st SteRoy 759 85 13ms 13 May 2025 363rd AlephSquirrel 757 76 483ms 1 Oct 2024 364th 0xjac 🇨🇭 754 158 321ms 17 Jun 2025 365th MeWhenI 🇻🇦 754 162 26ms 2 Oct 2024 366th GrayJoKing 🇦🇺 753 90 5ms 1 Oct 2024 367th stackofbears 750 52 34ms 14 Mar 2025 368th DialFrost 🇸🇬 750 75 764ms 10 Oct 2024 369th Maznek 750 86 12ms 4 Oct 2024 370th MeWhenI 🇻🇦 750 89 2,339ms 24 Oct 2024 371st luuumine 🇫🇷 749 92 1ms 5 Dec 2025 371st bzd7 749 92 2ms 7 Dec 2025 373rd sean-niemann 🇺🇸 749 116 449ms 24 Oct 2024 373rd luuumine 🇫🇷 749 116 414ms 15 Dec 2025 375th MeWhenI 🇻🇦 749 203 1,659ms 8 days ago 376th Shanethegamer 🇺🇸 748 64 38ms 3 Oct 2024 376th Andriamanitra 🇫🇮 748 64 37ms 5 Oct 2024 378th MeWhenI 🇻🇦 748 106 1ms 2 Oct 2024 379th rak1507 🇬🇧 747 38 2ms 30 Dec 2024 380th Babafaba 747 77 417ms 11 Nov 2025 381st sean-niemann 🇺🇸 747 93 107ms 24 Oct 2024 382nd Shanethegamer 🇺🇸 746 114 24ms 12 days ago 383rd Natanaelel 🇸🇪 745 53 3ms 10 Jan 2026 384th Shanethegamer 🇺🇸 744 121 89ms 3 Oct 2024 385th JOrE20 743 87 20ms 21 Feb 2026 386th SirBogman 🇺🇸 741 63 274ms 23 Jul 2025 387th KrausRaus 🇺🇸 741 87 11ms 1 Oct 2024 387th GeorgeStechman 🇬🇧 741 87 15ms 24 Oct 2024 387th coreynash 741 87 10ms 13 Feb 2025 387th kirjavascript 741 87 10ms 22 Jul 2025 391st Shanethegamer 🇺🇸 741 90 2,524ms 28 Oct 2024 391st ScottHamper 741 90 2,701ms 11 Dec 2025 393rd sean-niemann 🇺🇸 741 93 1ms 24 Oct 2024 394th HumanoidCPU 738 78 450ms 7 Mar 2025 395th kg583 🇺🇸 737 156 37ms 15 Mar 2026 396th stefangimmillaro 736 92 8ms 2 Oct 2024 396th Shanethegamer 🇺🇸 736 92 5ms 3 Oct 2024 398th MeWhenI 🇻🇦 736 111 128ms 2 Oct 2024 399th MeWhenI 🇻🇦 735 34 53ms 2 Oct 2024 399th emgordon154 735 34 64ms 11 Sep 2025 First Prev 301–400 of 939 Next Last