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 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 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 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 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 QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 601st jlangvand 495 141 15 Oct 2024 601st HumanoidCPU 495 141 7 Mar 2025 603rd ibixina 495 162 13 Oct 2024 603rd TheAtrossian 495 162 5 Jan 2025 605th Mabeloid 🇳🇴 494 133 2 Oct 2024 606th TheRealOhead 🇺🇸 489 131 1 Oct 2024 607th HumanoidCPU 488 145 5 Oct 2024 608th Vaekor 486 165 15 Dec 2024 609th JunkIce 483 136 3 Dec 2024 610th h-hh-hhh 🇺🇦 483 177 2 Nov 2024 611th Mabeloid 🇳🇴 482 145 2 Oct 2024 612th snoozingnewt 🇺🇸 480 137 27 Jan 2025 613th alphafalfa 476 92 8 Nov 2024 614th KatieLG 🇬🇧 476 108 13 Oct 2024 615th h-hh-hhh 🇺🇦 475 147 2 Nov 2024 616th JesseNoEyes 🇺🇸 475 169 1 Oct 2024 617th mitzal 475 180 9 Feb 2025 618th MiffOttah 472 150 6 Oct 2024 619th zyc-2024 🇨🇳 472 170 5 Oct 2024 620th Maximizer02 472 201 1 Oct 2024 621st ComputerKWasTaken 🇺🇸 469 171 14 Oct 2024 622nd varhammer 🇷🇺 463 223 23 Feb 2025 623rd Yewzir 🇧🇪 460 171 26 Dec 2024 624th madex 🇩🇪 458 104 2 Oct 2024 625th OSYCh314 🇦🇺 451 178 2 Nov 2024 626th dokutan 450 63 26 Nov 2024 627th IISResetMe 447 104 27 Mar 2025 628th calum12345 446 180 26 Mar 2025 629th dokutan 445 109 19 Oct 2024 630th grey0ut 443 105 11 Jan 2025 631st zt14427 441 182 27 Dec 2024 632nd IoLimmer 438 183 10 Oct 2024 633rd aksyristos 436 184 15 Nov 2024 634th dokutan 424 132 3 Oct 2024 635th dieggsy 418 247 10 Oct 2024 636th MeWhenI 🇻🇦 417 143 2 Oct 2024 637th Mabeloid 🇳🇴 403 159 12 Oct 2024 638th Ralac07 🇦🇺 395 162 3 Oct 2024 639th snoozingnewt 🇺🇸 383 176 2 Oct 2024 639th fischfood 383 176 22 Oct 2024 641st c0d3-4-F00d 🇩🇪 380 184 9 Jan 2025 642nd ehulinsky 🇺🇸 378 158 2 Apr 2025 643rd RedzGoose 🇦🇺 369 187 2 Oct 2024 644th P1nk-P0nk 367 215 18 Oct 2024 645th sciencejiho 355 197 11 Feb 2025 646th The-Wolfson 348 230 16 Dec 2024 647th Ernest1338 343 275 26 Oct 2024 648th noahhorlacher 335 191 7 Dec 2024 649th te-chnical 311 258 11 days ago 650th ReterikHub 276 310 17 Jan 2025 651st arebbsba 271 296 9 Jan 2025 652nd MeWhenI 🇻🇦 270 407 6 Oct 2024 653rd Msleizak 🇫🇷 151 308 17 Jan 2025 654th AidanWalter 149 540 1 Jan 2025 655th bignamehyp 120 667 14 Nov 2024 656th 2bular 0 16 22 Mar 2025 657th darrenks 0 17 22 Mar 2025 658th Natanaelel 🇸🇪 0 18 23 Mar 2025 659th plcc0 0 21 4 Apr 2025 660th kg583 🇺🇸 0 25 8 Feb 2025 661st themoonisacheese 0 39 3 Mar 2025 662nd DialFrost 🇸🇬 0 67 13 Feb 2025 663rd chunes3 🇺🇸 0 69 13 Feb 2025 664th sean-niemann 🇺🇸 0 80 17 days ago 665th edsrzf 🇳🇿 0 159 27 Feb 2025 Prev 601–665 of 665
