Card Number Validation in Python in chars. 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 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 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 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 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 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 Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 75th Pyroan 573 117 22 Feb 2025 77th elgan65536 568 118 2 Oct 2024 77th logvp 568 118 6 Oct 2024 77th ahmetdemirag 🇨🇾 568 118 6 Feb 2025 77th KatieLG 🇬🇧 568 118 15 days ago 81st jtaxen 563 119 21 Oct 2024 81st psbpsbp 563 119 19 Dec 2024 81st klixel 🇨🇦 563 119 26 days ago 84th TaserTheFox 🇺🇸 558 120 8 Oct 2024 84th yokasuretsu 558 120 26 Jan 2025 84th Troon 558 120 17 Feb 2025 87th chartung17 549 122 24 Mar 2025 88th msbranicky 545 123 3 Oct 2024 88th bobbysq 545 123 5 Oct 2024 88th wuzekai518 545 123 8 Oct 2024 88th vhoulbreque 🇫🇷 545 123 4 Feb 2025 92nd NotEvenIndian 540 124 22 Oct 2024 92nd ridingqwerty 🇺🇸 540 124 16 Jan 2025 94th bnic24 536 125 3 Oct 2024 94th adoxography 536 125 22 Oct 2024 94th andrewjc2000 536 125 3 Mar 2025 97th CatsAreFluffy 528 127 30 Oct 2024 98th lelbal 523 128 2 Oct 2024 98th WillowWispy 523 128 14 Mar 2025 100th madex 🇩🇪 519 129 2 Oct 2024 100th RedzGoose 🇦🇺 519 129 15 Oct 2024 100th calebaitken 519 129 25 days ago 103rd Europe2048 515 130 2 Oct 2024 103rd nstearns96 🇬🇧 515 130 2 Oct 2024 103rd rollershutter 515 130 10 Jan 2025 106th Stockoh 🇫🇷 511 131 2 Oct 2024 106th inverseLorentz 🇦🇺 511 131 7 Oct 2024 106th sciencejiho 511 131 11 Feb 2025 106th Jaydosu 511 131 25 days ago 110th Mabeloid 🇳🇴 504 133 2 Oct 2024 110th Emutis 🇱🇹 504 133 4 Feb 2025 112th sciencedjinn 493 136 8 Nov 2024 112th ihatethefrench 493 136 4 Jan 2025 114th kurkale6ka 489 137 16 Oct 2024 114th 4ndyJ 🇬🇧 489 137 14 Nov 2024 116th BREMAUCY 🇫🇷 486 138 2 Oct 2024 117th scpchicken 🇵🇼 482 139 6 Oct 2024 118th NanduBC 479 140 1 Oct 2024 118th Mikey-Beep 🇬🇧 479 140 7 Oct 2024 118th jmerle 🇳🇱 479 140 10 Jan 2025 118th RobertHoeh 479 140 3 Mar 2025 122nd FranklinJiaChen 475 141 2 Oct 2024 123rd brimstonetrader 472 142 17 Oct 2024 123rd codewrite 🇬🇧 472 142 14 hours ago 125th GeneralFabian 469 143 9 Dec 2024 125th CutSandstone 469 143 30 Jan 2025 127th hiichbindermax 465 144 2 Oct 2024 127th mathisfun271 465 144 14 Oct 2024 127th bob-th 465 144 22 Oct 2024 130th croc54 459 146 15 Dec 2024 131st PyryL 🇫🇮 456 147 1 Mar 2025 132nd mbittner20 453 148 13 Oct 2024 133rd jameswmccarty 447 150 5 Oct 2024 133rd yousefalizadeh 447 150 23 Oct 2024 133rd feherd 447 150 31 Oct 2024 133rd RaBa21 447 150 47 hours ago 137th adamnielson42 🇺🇸 441 152 6 Oct 2024 137th voidgloom 441 152 22 Oct 2024 139th cdesodt 432 155 16 Oct 2024 140th lhulinsky 427 157 21 Oct 2024 141st ThatAlo 424 158 9 Dec 2024 142nd CheeseCake628 🇳🇴 419 160 5 Nov 2024 143rd pres-abhisheksinha 416 161 8 Oct 2024 144th ibixina 414 162 13 Oct 2024 144th TheAtrossian 414 162 5 Jan 2025 146th Vaekor 406 165 15 Dec 2024 147th JesseNoEyes 🇺🇸 396 169 1 Oct 2024 148th zyc-2024 🇨🇳 394 170 5 Oct 2024 149th ComputerKWasTaken 🇺🇸 392 171 14 Oct 2024 150th OSYCh314 🇦🇺 376 178 2 Nov 2024 Prev 76–150 of 158 Next