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 Mandelbrot 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 Vala 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 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 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 Mandelbrot 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 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 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 Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 449th klixel 🇨🇦 667 119 9 Apr 2025 452nd jwhear 🇺🇸 666 197 1 Oct 2024 453rd Herbert00709 🇵🇱 665 105 22 days ago 454th TaserTheFox 🇺🇸 662 120 8 Oct 2024 454th yokasuretsu 662 120 26 Jan 2025 454th Troon 662 120 17 Feb 2025 454th keelimeguy 🇺🇸 662 120 23 days ago 458th two-bad 🇬🇧 661 97 2 Oct 2024 459th dbut2 🇦🇺 660 179 31 Oct 2024 460th rniii 659 106 2 Oct 2024 460th gastropner 659 106 11 Feb 2025 462nd Ripick 658 135 23 Mar 2025 463rd 4hg 🇺🇸 657 59 5 Oct 2024 464th DialFrost 🇸🇬 656 67 22 Dec 2024 465th xyangst 655 98 15 Oct 2024 465th BambooleanLogic 🇸🇪 655 98 21 Oct 2024 467th error256 654 142 31 May 2025 468th RyanMHsiao 652 201 1 Oct 2024 469th chartung17 651 122 24 Mar 2025 470th msbranicky 646 123 3 Oct 2024 470th bobbysq 646 123 5 Oct 2024 470th wuzekai518 646 123 8 Oct 2024 470th vhoulbreque 🇫🇷 646 123 4 Feb 2025 474th w911 646 183 7 Oct 2024 475th rucin93 🇵🇱 645 144 28 Oct 2024 476th bac0id 645 180 9 Jan 2025 477th Antibrain0 641 123 8 Nov 2024 478th NotEvenIndian 640 124 22 Oct 2024 478th ridingqwerty 🇺🇸 640 124 16 Jan 2025 480th stefangimmillaro 639 73 1 Oct 2024 481st CaedenHarper 🇨🇦 639 185 3 Jan 2025 482nd elgan65536 636 146 2 Oct 2024 483rd Jonatan6 🇩🇰 635 110 24 Oct 2024 484th bnic24 635 125 3 Oct 2024 484th adoxography 635 125 22 Oct 2024 484th wh3n3v3r 🇨🇿 635 125 18 Nov 2024 487th yoshykai 635 183 12 Apr 2025 488th Shanethegamer 🇺🇸 631 74 16 Oct 2024 489th XenThe 🇬🇧 629 102 79 mins ago 490th msbranicky 628 188 7 Jan 2025 491st AlephSquirrel 625 40 1 Oct 2024 492nd CatsAreFluffy 625 127 30 Oct 2024 492nd WillowWispy 625 127 25 May 2025 494th tomh1012 621 114 17 Oct 2024 495th dokutan 621 127 10 Dec 2024 496th DialFrost 🇸🇬 621 307 22 Apr 2025 497th lelbal 620 128 2 Oct 2024 497th Lv0Sys 🇵🇱 620 128 21 days ago 499th BalaM314 617 104 4 Feb 2025 500th madex 🇩🇪 616 129 2 Oct 2024 500th RedzGoose 🇦🇺 616 129 15 Oct 2024 500th calebaitken 616 129 11 Apr 2025 503rd codereport 🇨🇦 615 63 2 Oct 2024 504th MarcMush 🇫🇷 615 91 8 Oct 2024 505th HumanoidCPU 615 107 17 Feb 2025 506th Schmitt-Very-Cool 614 189 3 Feb 2025 507th Europe2048 611 130 2 Oct 2024 507th nstearns96 🇬🇧 611 130 2 Oct 2024 507th rollershutter 611 130 10 Jan 2025 507th Stockoh 🇫🇷 611 130 3 days ago 511th emgordon154 609 156 13 Dec 2024 512th bac0id 608 141 10 Jan 2025 513th MeWhenI 🇻🇦 607 111 2 Oct 2024 514th inverseLorentz 🇦🇺 606 131 7 Oct 2024 514th dokutan 606 131 19 Oct 2024 514th CornerMercury 🇬🇧 606 131 3 Dec 2024 514th sciencejiho 606 131 11 Feb 2025 514th Jaydosu 606 131 11 Apr 2025 519th HumanoidCPU 605 106 7 Mar 2025 519th daveberlin 605 106 9 days ago 521st Seanharrs 605 117 15 Nov 2024 522nd CaedenHarper 🇨🇦 604 109 9 Oct 2024 523rd Shanethegamer 🇺🇸 604 217 4 Oct 2024 524th Shanethegamer 🇺🇸 603 154 3 Oct 2024 525th MeWhenI 🇻🇦 602 73 2 Oct 2024 Prev 451–525 of 704 Next
