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 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 Chars Time 676th dieggsy 405 247 10 Oct 2024 677th Mabeloid 🇳🇴 404 159 12 Oct 2024 678th CheeseCake628 🇳🇴 403 160 5 Nov 2024 679th pres-abhisheksinha 400 161 8 Oct 2024 680th ibixina 398 162 13 Oct 2024 680th TheAtrossian 398 162 5 Jan 2025 682nd Ralac07 🇦🇺 397 162 3 Oct 2024 683rd Maximizer02 396 201 1 Oct 2024 684th Vaekor 391 165 15 Dec 2024 685th fischfood 383 176 22 Oct 2024 686th JesseNoEyes 🇺🇸 382 169 1 Oct 2024 687th c0d3-4-F00d 🇩🇪 380 184 9 Jan 2025 688th zyc-2024 🇨🇳 379 170 5 Oct 2024 689th ehulinsky 🇺🇸 378 158 2 Apr 2025 690th ComputerKWasTaken 🇺🇸 377 171 14 Oct 2024 691st RedzGoose 🇦🇺 369 187 2 Oct 2024 692nd RobGLambert 369 232 8 Jun 2025 693rd P1nk-P0nk 367 215 18 Oct 2024 694th clayboll99 366 176 10 Jul 2025 695th snoozingnewt 🇺🇸 365 176 2 Oct 2024 696th Upload-and-View 🇺🇦 364 177 13 days ago 697th OSYCh314 🇦🇺 362 178 2 Nov 2024 698th CheeseCake628 🇳🇴 358 160 19 May 2025 699th calum12345 358 180 26 Mar 2025 700th sciencejiho 355 197 11 Feb 2025 701st zt14427 354 182 27 Dec 2024 702nd IoLimmer 352 183 10 Oct 2024 703rd aksyristos 350 184 15 Nov 2024 704th The-Wolfson 350 230 16 Dec 2024 705th estomagordo 🇳🇱 347 186 15 Jul 2025 706th RobGLambert 340 273 8 Jun 2025 707th Ernest1338 338 275 26 Oct 2024 708th noahhorlacher 336 191 7 Dec 2024 709th gautambp 296 218 24 Jun 2025 710th Zhenyu-Bo 283 228 24 days ago 711th ReterikHub 276 310 17 Jan 2025 712th Mikey-Beep 🇬🇧 273 349 11 days ago 713th MeWhenI 🇻🇦 270 407 6 Oct 2024 714th te-chnical 250 258 4 May 2025 715th arebbsba 218 296 9 Jan 2025 716th Msleizak 🇫🇷 206 226 19 May 2025 717th vkptimon 150 776 9 Jul 2025 718th AidanWalter 119 540 1 Jan 2025 719th bignamehyp 97 667 14 Nov 2024 720th dokutan 60 2,474 4 days ago 721st lyphyser 0 15 25 May 2025 722nd 2bular 0 16 22 Mar 2025 723rd darrenks 0 17 22 Mar 2025 724th Natanaelel 🇸🇪 0 18 23 Mar 2025 724th lyxal 🇦🇺 0 18 17 May 2025 724th themoonisacheese 0 18 13 Jun 2025 727th kg583 🇺🇸 0 20 14 May 2025 728th plcc0 0 21 4 Apr 2025 729th ovs-code 🇩🇪 0 37 13 Jul 2025 730th ovs-code 🇩🇪 0 40 9 Jul 2025 731st AlephSquirrel 0 43 15 Jun 2025 732nd ovs-code 🇩🇪 0 51 13 Jun 2025 733rd GrayJoKing 🇦🇺 0 55 13 Jul 2025 734th chunes3 🇺🇸 0 65 13 Feb 2025 734th DialFrost 🇸🇬 0 65 13 Feb 2025 736th sean-niemann 🇺🇸 0 68 30 Apr 2025 737th dokutan 0 89 28 Jun 2025 738th MatthewF19 0 108 17 May 2025 739th albanian-laundromat 0 123 4 Jun 2025 740th edsrzf 🇳🇿 0 142 24 Jul 2025 Prev 676–740 of 740
