Card Number Validation in all languages 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 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 Mandelbrot 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 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 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 Mandelbrot 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 Chars Time 601st FranklinJiaChen 457 141 2 Oct 2024 602nd brimstonetrader 453 142 17 Oct 2024 602nd codewrite 🇬🇧 453 142 5 May 2025 602nd RobGLambert 453 142 14 days ago 605th dokutan 451 63 26 Nov 2024 606th GeneralFabian 450 143 9 Dec 2024 606th CutSandstone 450 143 30 Jan 2025 606th kistlerf 🇨🇭 450 143 19 May 2025 609th IISResetMe 447 104 27 Mar 2025 610th hiichbindermax 447 144 2 Oct 2024 610th mathisfun271 447 144 14 Oct 2024 610th bob-th 447 144 22 Oct 2024 613th dokutan 445 109 19 Oct 2024 614th grey0ut 443 105 11 Jan 2025 615th croc54 441 146 15 Dec 2024 616th MyXoToD 🇩🇪 439 146 26 days ago 617th PyryL 🇫🇮 438 147 1 Mar 2025 618th mbittner20 435 148 13 Oct 2024 619th dokutan 431 130 17 Oct 2024 620th Mabeloid 🇳🇴 429 133 2 Oct 2024 621st jameswmccarty 429 150 5 Oct 2024 621st yousefalizadeh 429 150 23 Oct 2024 621st feherd 429 150 31 Oct 2024 621st RaBa21 429 150 4 May 2025 621st TheZwierzLF 🇵🇱 429 150 17 May 2025 626th adamnielson42 🇺🇸 423 152 6 Oct 2024 626th voidgloom 423 152 22 Oct 2024 628th dieggsy 418 247 10 Oct 2024 629th snoozingnewt 🇺🇸 417 137 27 Jan 2025 630th MeWhenI 🇻🇦 417 143 2 Oct 2024 631st cdesodt 415 155 16 Oct 2024 632nd lhulinsky 410 157 21 Oct 2024 633rd ThatAlo 407 158 9 Dec 2024 634th Mabeloid 🇳🇴 403 159 12 Oct 2024 635th CheeseCake628 🇳🇴 402 160 5 Nov 2024 636th pres-abhisheksinha 400 161 8 Oct 2024 637th ibixina 397 162 13 Oct 2024 637th TheAtrossian 397 162 5 Jan 2025 639th Ralac07 🇦🇺 396 162 3 Oct 2024 640th Vaekor 390 165 15 Dec 2024 641st fischfood 383 176 22 Oct 2024 642nd JesseNoEyes 🇺🇸 381 169 1 Oct 2024 643rd c0d3-4-F00d 🇩🇪 380 184 9 Jan 2025 644th zyc-2024 🇨🇳 379 170 5 Oct 2024 645th ehulinsky 🇺🇸 378 158 2 Apr 2025 646th ComputerKWasTaken 🇺🇸 376 171 14 Oct 2024 647th RedzGoose 🇦🇺 369 187 2 Oct 2024 648th RobGLambert 369 232 14 days ago 649th P1nk-P0nk 367 215 18 Oct 2024 650th snoozingnewt 🇺🇸 365 176 2 Oct 2024 651st OSYCh314 🇦🇺 362 178 2 Nov 2024 652nd calum12345 358 180 26 Mar 2025 653rd CheeseCake628 🇳🇴 357 160 19 May 2025 654th sciencejiho 355 197 11 Feb 2025 655th zt14427 354 182 27 Dec 2024 656th IoLimmer 352 183 10 Oct 2024 657th aksyristos 350 184 15 Nov 2024 658th The-Wolfson 348 230 16 Dec 2024 659th RobGLambert 340 273 14 days ago 660th mossiegoat 339 190 13 days ago 661st Ernest1338 338 275 26 Oct 2024 662nd noahhorlacher 336 191 7 Dec 2024 663rd ReterikHub 276 310 17 Jan 2025 664th MeWhenI 🇻🇦 270 407 6 Oct 2024 665th te-chnical 249 258 4 May 2025 666th arebbsba 217 296 9 Jan 2025 667th Msleizak 🇫🇷 206 226 19 May 2025 668th AidanWalter 119 540 1 Jan 2025 669th bignamehyp 97 667 14 Nov 2024 670th lyphyser 0 15 27 days ago 671st 2bular 0 16 22 Mar 2025 672nd darrenks 0 17 22 Mar 2025 673rd Natanaelel 🇸🇪 0 18 23 Mar 2025 673rd lyxal 🇦🇺 0 18 17 May 2025 673rd themoonisacheese 0 18 8 days ago Prev 601–675 of 685 Next