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 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 Chars Time 601st kurkale6ka 470 137 16 Oct 2024 601st 4ndyJ 🇬🇧 470 137 14 Nov 2024 603rd ejini6969 467 102 23 days ago 604th BREMAUCY 🇫🇷 467 138 2 Oct 2024 605th scpchicken 🇵🇼 463 139 6 Oct 2024 606th varhammer 🇷🇺 463 223 23 Feb 2025 607th NanduBC 460 140 1 Oct 2024 607th Mikey-Beep 🇬🇧 460 140 7 Oct 2024 607th jmerle 🇳🇱 460 140 10 Jan 2025 607th RobertHoeh 460 140 3 Mar 2025 607th smilesformiles3 460 140 25 days ago 607th artem-aramma 460 140 19 days ago 613th Yewzir 🇧🇪 460 171 26 Dec 2024 614th madex 🇩🇪 458 104 2 Oct 2024 615th FranklinJiaChen 457 141 2 Oct 2024 616th brimstonetrader 453 142 17 Oct 2024 616th codewrite 🇬🇧 453 142 5 May 2025 616th RobGLambert 453 142 8 Jun 2025 619th dokutan 451 63 26 Nov 2024 620th GeneralFabian 450 143 9 Dec 2024 620th CutSandstone 450 143 30 Jan 2025 620th kistlerf 🇨🇭 450 143 19 May 2025 623rd IISResetMe 449 104 27 Mar 2025 624th hiichbindermax 447 144 2 Oct 2024 624th mathisfun271 447 144 14 Oct 2024 624th bob-th 447 144 22 Oct 2024 627th dokutan 445 109 19 Oct 2024 628th grey0ut 444 105 11 Jan 2025 629th croc54 441 146 15 Dec 2024 630th MyXoToD 🇩🇪 439 146 26 May 2025 631st PyryL 🇫🇮 438 147 1 Mar 2025 632nd mbittner20 435 148 13 Oct 2024 633rd dokutan 431 130 17 Oct 2024 634th Mabeloid 🇳🇴 429 133 2 Oct 2024 635th jameswmccarty 429 150 5 Oct 2024 635th yousefalizadeh 429 150 23 Oct 2024 635th feherd 429 150 31 Oct 2024 635th RaBa21 429 150 4 May 2025 635th TheZwierzLF 🇵🇱 429 150 17 May 2025 640th adamnielson42 🇺🇸 424 152 6 Oct 2024 640th voidgloom 424 152 22 Oct 2024 642nd dirckvdende 421 153 7 days ago 643rd dieggsy 418 247 10 Oct 2024 644th snoozingnewt 🇺🇸 417 137 27 Jan 2025 645th MeWhenI 🇻🇦 417 143 2 Oct 2024 646th cdesodt 415 155 16 Oct 2024 647th lhulinsky 410 157 21 Oct 2024 648th ThatAlo 408 158 9 Dec 2024 649th Mabeloid 🇳🇴 403 159 12 Oct 2024 650th CheeseCake628 🇳🇴 402 160 5 Nov 2024 651st pres-abhisheksinha 400 161 8 Oct 2024 652nd ibixina 397 162 13 Oct 2024 652nd TheAtrossian 397 162 5 Jan 2025 654th Ralac07 🇦🇺 396 162 3 Oct 2024 655th Vaekor 390 165 15 Dec 2024 656th fischfood 383 176 22 Oct 2024 657th JesseNoEyes 🇺🇸 381 169 1 Oct 2024 658th c0d3-4-F00d 🇩🇪 380 184 9 Jan 2025 659th zyc-2024 🇨🇳 379 170 5 Oct 2024 660th ehulinsky 🇺🇸 378 158 2 Apr 2025 661st ComputerKWasTaken 🇺🇸 377 171 14 Oct 2024 662nd RedzGoose 🇦🇺 369 187 2 Oct 2024 663rd RobGLambert 369 232 8 Jun 2025 664th P1nk-P0nk 367 215 18 Oct 2024 665th snoozingnewt 🇺🇸 365 176 2 Oct 2024 666th OSYCh314 🇦🇺 362 178 2 Nov 2024 667th calum12345 358 180 26 Mar 2025 668th CheeseCake628 🇳🇴 357 160 19 May 2025 669th sciencejiho 355 197 11 Feb 2025 670th zt14427 354 182 27 Dec 2024 671st IoLimmer 352 183 10 Oct 2024 672nd aksyristos 350 184 15 Nov 2024 673rd The-Wolfson 348 230 16 Dec 2024 674th RobGLambert 340 273 8 Jun 2025 675th Ernest1338 338 275 26 Oct 2024 Prev 601–675 of 701 Next