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 450th yokasuretsu 662 120 26 Jan 2025 450th Troon 662 120 17 Feb 2025 450th keelimeguy 🇺🇸 662 120 17 days ago 454th two-bad 🇬🇧 661 97 2 Oct 2024 455th rniii 660 106 2 Oct 2024 455th gastropner 660 106 11 Feb 2025 457th dbut2 🇦🇺 658 179 31 Oct 2024 458th 4hg 🇺🇸 657 59 5 Oct 2024 459th Ripick 655 135 23 Mar 2025 460th xyangst 654 98 15 Oct 2024 460th BambooleanLogic 🇸🇪 654 98 21 Oct 2024 462nd error256 654 142 31 May 2025 463rd DialFrost 🇸🇬 653 67 22 Dec 2024 464th RyanMHsiao 652 201 1 Oct 2024 465th chartung17 651 122 24 Mar 2025 466th msbranicky 645 123 3 Oct 2024 466th bobbysq 645 123 5 Oct 2024 466th wuzekai518 645 123 8 Oct 2024 466th vhoulbreque 🇫🇷 645 123 4 Feb 2025 470th rucin93 🇵🇱 645 144 28 Oct 2024 471st bac0id 645 180 9 Jan 2025 472nd w911 644 183 7 Oct 2024 473rd Antibrain0 641 123 8 Nov 2024 474th NotEvenIndian 640 124 22 Oct 2024 474th ridingqwerty 🇺🇸 640 124 16 Jan 2025 476th stefangimmillaro 638 73 1 Oct 2024 477th CaedenHarper 🇨🇦 637 185 3 Jan 2025 478th Jonatan6 🇩🇰 636 110 24 Oct 2024 479th elgan65536 636 146 2 Oct 2024 480th bnic24 635 125 3 Oct 2024 480th adoxography 635 125 22 Oct 2024 480th wh3n3v3r 🇨🇿 635 125 18 Nov 2024 483rd yoshykai 635 183 12 Apr 2025 484th Shanethegamer 🇺🇸 629 74 16 Oct 2024 485th msbranicky 627 188 7 Jan 2025 486th AlephSquirrel 625 40 1 Oct 2024 487th CatsAreFluffy 625 127 30 Oct 2024 487th WillowWispy 625 127 25 May 2025 489th tomh1012 621 114 17 Oct 2024 490th dokutan 621 127 10 Dec 2024 491st DialFrost 🇸🇬 621 307 22 Apr 2025 492nd lelbal 620 128 2 Oct 2024 492nd Lv0Sys 🇵🇱 620 128 15 days ago 494th BalaM314 617 104 4 Feb 2025 495th codereport 🇨🇦 615 63 2 Oct 2024 496th MarcMush 🇫🇷 615 91 8 Oct 2024 497th HumanoidCPU 615 107 17 Feb 2025 498th madex 🇩🇪 615 129 2 Oct 2024 498th RedzGoose 🇦🇺 615 129 15 Oct 2024 498th calebaitken 615 129 11 Apr 2025 501st Schmitt-Very-Cool 614 189 3 Feb 2025 502nd Europe2048 611 130 2 Oct 2024 502nd nstearns96 🇬🇧 611 130 2 Oct 2024 502nd rollershutter 611 130 10 Jan 2025 505th emgordon154 609 156 13 Dec 2024 506th bac0id 608 141 10 Jan 2025 507th MeWhenI 🇻🇦 607 111 2 Oct 2024 508th Stockoh 🇫🇷 606 131 2 Oct 2024 508th inverseLorentz 🇦🇺 606 131 7 Oct 2024 508th dokutan 606 131 19 Oct 2024 508th CornerMercury 🇬🇧 606 131 3 Dec 2024 508th sciencejiho 606 131 11 Feb 2025 508th Jaydosu 606 131 11 Apr 2025 514th HumanoidCPU 605 106 7 Mar 2025 514th daveberlin 605 106 3 days ago 516th Seanharrs 605 117 15 Nov 2024 517th CaedenHarper 🇨🇦 604 109 9 Oct 2024 518th Shanethegamer 🇺🇸 604 217 4 Oct 2024 519th Shanethegamer 🇺🇸 603 154 3 Oct 2024 520th alemelis 602 93 1 Oct 2024 521st MeWhenI 🇻🇦 600 73 2 Oct 2024 522nd roguh 🇬🇹 598 117 13 Oct 2024 523rd MeWhenI 🇻🇦 597 98 1 Oct 2024 524th Mabeloid 🇳🇴 597 133 2 Oct 2024 524th Emutis 🇱🇹 597 133 4 Feb 2025 Prev 451–525 of 697 Next
