Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc gs 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 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 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 Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 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 Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle # Golfer Points Bytes Time 376th jtaxen 670 119 21 Oct 2024 377th BlankSpruce 668 104 1 Oct 2024 378th error256 666 101 24 Oct 2024 379th jwhear 🇺🇸 666 197 1 Oct 2024 380th ahmetdemirag 🇨🇾 665 120 1 Oct 2024 380th HumanoidCPU 665 120 5 Oct 2024 380th TaserTheFox 🇺🇸 665 120 8 Oct 2024 383rd the-zammers 664 163 2 days ago 384th tailorspy 662 128 4 Oct 2024 385th aDwarfNamedUrist 660 164 16 Oct 2024 386th KatieLG 🇬🇧 659 121 1 Oct 2024 387th two-bad 🇬🇧 656 97 2 Oct 2024 388th rniii 655 106 2 Oct 2024 389th dbut2 🇦🇺 652 179 31 Oct 2024 390th RyanMHsiao 652 201 1 Oct 2024 391st xyangst 650 98 15 Oct 2024 391st BambooleanLogic 🇸🇪 650 98 21 Oct 2024 393rd msbranicky 648 123 3 Oct 2024 393rd bobbysq 648 123 5 Oct 2024 393rd wuzekai518 648 123 8 Oct 2024 396th rucin93 🇵🇱 647 144 28 Oct 2024 397th MeWhenI 🇻🇦 645 149 2 Oct 2024 398th CatsAreFluffy 644 56 31 Oct 2024 399th 4hg 🇺🇸 643 59 5 Oct 2024 400th NotEvenIndian 643 124 22 Oct 2024 401st Ripick 640 138 13 Oct 2024 402nd Antibrain0 639 123 24 days ago 403rd bnic24 638 125 3 Oct 2024 403rd adoxography 638 125 22 Oct 2024 403rd wh3n3v3r 🇨🇿 638 125 14 days ago 406th elgan65536 638 146 2 Oct 2024 407th w911 638 183 7 Oct 2024 408th stefangimmillaro 631 73 1 Oct 2024 409th Jonatan6 🇩🇰 631 110 24 Oct 2024 410th CatsAreFluffy 628 127 30 Oct 2024 411th AlephSquirrel 625 40 1 Oct 2024 412th lelbal 623 128 2 Oct 2024 413th Shanethegamer 🇺🇸 622 74 16 Oct 2024 414th tomh1012 619 114 17 Oct 2024 414th Yax42 🇫🇷 619 114 4 days ago 416th NickTheEASDude 🇺🇸 619 127 1 Oct 2024 417th madex 🇩🇪 618 129 2 Oct 2024 417th RedzGoose 🇦🇺 618 129 15 Oct 2024 419th msbranicky 618 189 3 Oct 2024 420th MarcMush 🇫🇷 615 91 8 Oct 2024 421st dokutan 614 128 19 Oct 2024 422nd Europe2048 614 130 2 Oct 2024 422nd nstearns96 🇬🇧 614 130 2 Oct 2024 424th Stockoh 🇫🇷 609 131 2 Oct 2024 424th inverseLorentz 🇦🇺 609 131 7 Oct 2024 424th dokutan 609 131 19 Oct 2024 424th CornerMercury 🇬🇧 609 131 10 hours ago 428th MeWhenI 🇻🇦 607 111 2 Oct 2024 429th Shanethegamer 🇺🇸 605 154 3 Oct 2024 430th Shanethegamer 🇺🇸 604 217 4 Oct 2024 431st Seanharrs 603 117 18 days ago 432nd codereport 🇨🇦 602 63 2 Oct 2024 433rd alemelis 602 93 1 Oct 2024 434th CaedenHarper 🇨🇦 602 109 9 Oct 2024 435th Mabeloid 🇳🇴 600 133 2 Oct 2024 436th MeWhenI 🇻🇦 597 73 2 Oct 2024 437th MeWhenI 🇻🇦 597 98 1 Oct 2024 438th HumanoidCPU 596 110 5 Oct 2024 439th dokutan 596 117 3 Oct 2024 440th HumanoidCPU 595 107 1 Oct 2024 441st roguh 🇬🇹 594 117 13 Oct 2024 442nd dokutan 594 159 19 Oct 2024 443rd sciencedjinn 586 136 25 days ago 444th edsrzf 🇳🇿 584 113 26 Oct 2024 445th kurkale6ka 582 137 16 Oct 2024 445th 4ndyJ 🇬🇧 582 137 18 days ago 447th olleicua 🇺🇸 580 82 18 Oct 2024 448th luca1339 579 198 4 Nov 2024 449th Trip-kun 578 136 5 Oct 2024 450th BREMAUCY 🇫🇷 578 138 2 Oct 2024 Prev 376–450 of 539 Next