Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe 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 Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe 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 Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 451st w911 642 183 7 Oct 2024 452nd Antibrain0 641 123 8 Nov 2024 453rd bnic24 641 125 3 Oct 2024 453rd adoxography 641 125 22 Oct 2024 453rd wh3n3v3r 🇨🇿 641 125 18 Nov 2024 453rd andrewjc2000 641 125 3 Mar 2025 457th stefangimmillaro 638 73 1 Oct 2024 458th Jonatan6 🇩🇰 635 110 24 Oct 2024 459th CaedenHarper 🇨🇦 635 185 3 Jan 2025 460th DialFrost 🇸🇬 635 263 27 days ago 461st CatsAreFluffy 631 127 30 Oct 2024 462nd Shanethegamer 🇺🇸 629 74 16 Oct 2024 463rd lelbal 626 128 2 Oct 2024 463rd WillowWispy 626 128 18 days ago 465th AlephSquirrel 625 40 1 Oct 2024 466th msbranicky 625 188 7 Jan 2025 467th tomh1012 621 114 17 Oct 2024 468th dokutan 621 127 10 Dec 2024 469th madex 🇩🇪 621 129 2 Oct 2024 469th RedzGoose 🇦🇺 621 129 15 Oct 2024 471st Europe2048 616 130 2 Oct 2024 471st nstearns96 🇬🇧 616 130 2 Oct 2024 471st rollershutter 616 130 10 Jan 2025 474th codereport 🇨🇦 615 63 2 Oct 2024 475th MarcMush 🇫🇷 615 91 8 Oct 2024 476th BalaM314 615 104 4 Feb 2025 477th HumanoidCPU 614 107 17 Feb 2025 478th Schmitt-Very-Cool 613 189 3 Feb 2025 479th Stockoh 🇫🇷 612 131 2 Oct 2024 479th inverseLorentz 🇦🇺 612 131 7 Oct 2024 479th dokutan 612 131 19 Oct 2024 479th CornerMercury 🇬🇧 612 131 3 Dec 2024 479th sciencejiho 612 131 11 Feb 2025 484th Shanethegamer 🇺🇸 609 154 3 Oct 2024 485th emgordon154 609 156 13 Dec 2024 486th MeWhenI 🇻🇦 607 111 2 Oct 2024 487th bac0id 606 141 10 Jan 2025 488th Seanharrs 605 117 15 Nov 2024 489th HumanoidCPU 604 106 25 days ago 490th Shanethegamer 🇺🇸 604 217 4 Oct 2024 491st CaedenHarper 🇨🇦 603 109 9 Oct 2024 492nd Mabeloid 🇳🇴 603 133 2 Oct 2024 492nd Emutis 🇱🇹 603 133 4 Feb 2025 494th alemelis 602 93 1 Oct 2024 495th MeWhenI 🇻🇦 600 73 2 Oct 2024 496th MeWhenI 🇻🇦 597 98 1 Oct 2024 497th roguh 🇬🇹 597 117 13 Oct 2024 498th dokutan 597 159 19 Oct 2024 499th dokutan 596 117 3 Oct 2024 500th ravnskjaer 🇩🇰 594 195 20 Dec 2024 501st yoshykai 591 196 2 days ago 502nd arcpolaris 590 120 28 Jan 2025 503rd sciencedjinn 589 136 8 Nov 2024 503rd ihatethefrench 589 136 4 Jan 2025 505th edsrzf 🇳🇿 588 113 26 Oct 2024 506th tatzyr 🇯🇵 587 81 23 Dec 2024 507th bac0id 587 119 10 Jan 2025 508th DialFrost 🇸🇬 585 67 25 Jan 2025 509th kurkale6ka 585 137 16 Oct 2024 509th 4ndyJ 🇬🇧 585 137 14 Nov 2024 511th luca1339 585 198 4 Nov 2024 512th dokutan 582 174 21 Feb 2025 513th BREMAUCY 🇫🇷 581 138 2 Oct 2024 514th olleicua 🇺🇸 580 82 18 Oct 2024 515th Trip-kun 580 136 5 Oct 2024 516th scpchicken 🇵🇼 577 139 6 Oct 2024 517th Jacob385 574 202 2 Oct 2024 518th KatieLG 🇬🇧 572 99 1 Oct 2024 519th NanduBC 572 140 1 Oct 2024 519th Mikey-Beep 🇬🇧 572 140 7 Oct 2024 519th jmerle 🇳🇱 572 140 10 Jan 2025 519th RobertHoeh 572 140 3 Mar 2025 523rd MeWhenI 🇻🇦 572 164 6 Oct 2024 524th 823126 571 112 13 Nov 2024 525th emgordon154 568 44 1 Oct 2024 Prev 451–525 of 634 Next