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 Topological Sort 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 Topological Sort 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 676th dokutan 445 109 19 Oct 2024 677th grey0ut 444 105 11 Jan 2025 678th calum12345 442 180 26 Mar 2025 679th MyXoToD 🇩🇪 440 146 26 May 2025 680th zt14427 437 182 27 Dec 2024 680th Upload-and-View 🇺🇦 437 182 12 days ago 682nd IoLimmer 434 183 10 Oct 2024 683rd aksyristos 432 184 15 Nov 2024 684th estomagordo 🇳🇱 427 186 21 days ago 685th dokutan 424 132 3 Oct 2024 686th MeWhenI 🇻🇦 417 143 2 Oct 2024 687th CheeseCake628 🇳🇴 412 160 19 May 2025 688th dieggsy 405 247 10 Oct 2024 689th Mabeloid 🇳🇴 404 159 12 Oct 2024 690th Ralac07 🇦🇺 396 162 3 Oct 2024 691st snoozingnewt 🇺🇸 383 176 2 Oct 2024 691st fischfood 383 176 22 Oct 2024 693rd c0d3-4-F00d 🇩🇪 380 184 9 Jan 2025 694th ehulinsky 🇺🇸 378 158 2 Apr 2025 695th RedzGoose 🇦🇺 369 187 2 Oct 2024 696th RobGLambert 369 232 8 Jun 2025 697th P1nk-P0nk 367 215 18 Oct 2024 698th gautambp 365 218 24 Jun 2025 699th sciencejiho 355 197 11 Feb 2025 700th The-Wolfson 350 230 16 Dec 2024 701st Zhenyu-Bo 349 228 6 days ago 702nd RobGLambert 340 273 8 Jun 2025 703rd Ernest1338 338 275 26 Oct 2024 704th noahhorlacher 336 191 7 Dec 2024 705th te-chnical 308 258 4 May 2025 706th ReterikHub 276 310 17 Jan 2025 707th MeWhenI 🇻🇦 270 407 6 Oct 2024 708th arebbsba 269 296 9 Jan 2025 709th Msleizak 🇫🇷 206 226 19 May 2025 710th vkptimon 150 776 27 days ago 711th AidanWalter 147 540 1 Jan 2025 712th bignamehyp 119 667 14 Nov 2024 713th lyphyser 0 15 25 May 2025 714th 2bular 0 16 22 Mar 2025 715th darrenks 0 17 22 Mar 2025 716th Natanaelel 🇸🇪 0 18 23 Mar 2025 717th plcc0 0 21 4 Apr 2025 718th kg583 🇺🇸 0 25 8 Feb 2025 719th lyxal 🇦🇺 0 27 17 May 2025 720th themoonisacheese 0 35 13 Jun 2025 721st ovs-code 🇩🇪 0 54 26 days ago 722nd GrayJoKing 🇦🇺 0 55 22 days ago 723rd ovs-code 🇩🇪 0 58 23 days ago 724th AlephSquirrel 0 63 15 Jun 2025 725th DialFrost 🇸🇬 0 67 13 Feb 2025 726th chunes3 🇺🇸 0 69 13 Feb 2025 727th ovs-code 🇩🇪 0 76 13 Jun 2025 728th sean-niemann 🇺🇸 0 80 29 Apr 2025 729th albanian-laundromat 0 123 4 Jun 2025 730th edsrzf 🇳🇿 0 142 12 days ago 731st MatthewF19 0 192 17 May 2025 732nd dokutan 0 219 28 Jun 2025 Prev 676–732 of 732