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 Topological Sort 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 Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 451st tailorspy 669 128 4 Oct 2024 452nd error256 668 101 24 Oct 2024 453rd jtaxen 668 119 21 Oct 2024 453rd psbpsbp 668 119 19 Dec 2024 453rd klixel 🇨🇦 668 119 9 Apr 2025 456th Herbert00709 🇵🇱 666 105 14 Jun 2025 457th jwhear 🇺🇸 666 197 1 Oct 2024 458th two-bad 🇬🇧 662 97 2 Oct 2024 459th TaserTheFox 🇺🇸 662 120 8 Oct 2024 459th yokasuretsu 662 120 26 Jan 2025 459th Troon 662 120 17 Feb 2025 459th keelimeguy 🇺🇸 662 120 14 Jun 2025 463rd rniii 660 106 2 Oct 2024 463rd gastropner 660 106 11 Feb 2025 465th dbut2 🇦🇺 660 179 31 Oct 2024 466th 4hg 🇺🇸 659 59 5 Oct 2024 467th CaedenHarper 🇨🇦 658 100 49 mins ago 468th Ripick 658 135 23 Mar 2025 469th DialFrost 🇸🇬 656 67 22 Dec 2024 470th BREMAUCY 🇫🇷 656 121 4 days ago 471st xyangst 655 98 15 Oct 2024 471st BambooleanLogic 🇸🇪 655 98 21 Oct 2024 473rd error256 654 142 31 May 2025 474th RyanMHsiao 652 201 1 Oct 2024 475th chartung17 651 122 24 Mar 2025 476th msbranicky 646 123 3 Oct 2024 476th bobbysq 646 123 5 Oct 2024 476th wuzekai518 646 123 8 Oct 2024 476th vhoulbreque 🇫🇷 646 123 4 Feb 2025 480th bac0id 646 180 9 Jan 2025 481st w911 646 183 7 Oct 2024 482nd rucin93 🇵🇱 645 144 28 Oct 2024 483rd Antibrain0 641 123 8 Nov 2024 484th NotEvenIndian 641 124 22 Oct 2024 484th ridingqwerty 🇺🇸 641 124 16 Jan 2025 486th stefangimmillaro 639 73 1 Oct 2024 487th CaedenHarper 🇨🇦 639 185 3 Jan 2025 488th Jonatan6 🇩🇰 636 110 24 Oct 2024 489th elgan65536 636 146 2 Oct 2024 490th yoshykai 636 183 12 Apr 2025 491st bnic24 635 125 3 Oct 2024 491st adoxography 635 125 22 Oct 2024 491st wh3n3v3r 🇨🇿 635 125 18 Nov 2024 494th Shanethegamer 🇺🇸 631 74 16 Oct 2024 495th XenThe 🇬🇧 629 102 15 days ago 496th msbranicky 628 188 7 Jan 2025 497th AlephSquirrel 625 40 1 Oct 2024 498th CatsAreFluffy 625 127 30 Oct 2024 498th WillowWispy 625 127 25 May 2025 500th tomh1012 621 114 17 Oct 2024 501st dokutan 621 127 10 Dec 2024 502nd lelbal 621 128 2 Oct 2024 502nd Lv0Sys 🇵🇱 621 128 15 Jun 2025 504th DialFrost 🇸🇬 621 307 22 Apr 2025 505th codereport 🇨🇦 617 63 2 Oct 2024 506th BalaM314 617 104 4 Feb 2025 506th acollett89 617 104 7 days ago 508th madex 🇩🇪 616 129 2 Oct 2024 508th RedzGoose 🇦🇺 616 129 15 Oct 2024 508th calebaitken 616 129 11 Apr 2025 511th Schmitt-Very-Cool 616 189 3 Feb 2025 512th MarcMush 🇫🇷 615 91 8 Oct 2024 513th HumanoidCPU 615 107 17 Feb 2025 514th jupj 🇫🇮 613 114 2 days ago 515th Europe2048 611 130 2 Oct 2024 515th nstearns96 🇬🇧 611 130 2 Oct 2024 515th rollershutter 611 130 10 Jan 2025 515th Stockoh 🇫🇷 611 130 18 days ago 519th emgordon154 609 156 13 Dec 2024 520th bac0id 608 141 10 Jan 2025 521st MeWhenI 🇻🇦 607 111 2 Oct 2024 522nd inverseLorentz 🇦🇺 606 131 7 Oct 2024 522nd dokutan 606 131 19 Oct 2024 522nd CornerMercury 🇬🇧 606 131 3 Dec 2024 522nd sciencejiho 606 131 11 Feb 2025 Prev 451–525 of 717 Next
