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 Hilbert Curve 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Groovy 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 Harbour Hare Haxe Hush Hy iogii Knight Luau 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 Hilbert Curve 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 Minesweeper 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 Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 751st CheeseCake628 🇳🇴 380 151 453ms 18 Oct 2025 752nd zyc-2024 🇨🇳 380 170 10ms 5 Oct 2024 753rd snoozingnewt 🇺🇸 379 286 41ms 14 days ago 754th ComputerKWasTaken 🇺🇸 378 171 9ms 14 Oct 2024 755th snoozingnewt 🇺🇸 376 267 13ms 14 days ago 756th navier-1 373 173 10ms 22 Sep 2025 757th snoozingnewt 🇺🇸 372 313 45ms 14 days ago 758th RobGLambert 370 232 975ms 8 Jun 2025 759th RedzGoose 🇦🇺 369 187 104ms 2 Oct 2024 760th P1nk-P0nk 369 215 3ms 18 Oct 2024 761st clayboll99 367 176 11ms 10 Jul 2025 762nd Upload-and-View 🇺🇦 365 177 16ms 9 Aug 2025 763rd OSYCh314 🇦🇺 363 178 11ms 2 Nov 2024 764th calum12345 359 180 10ms 26 Mar 2025 765th sciencejiho 356 197 2ms 11 Feb 2025 766th zt14427 355 182 11ms 27 Dec 2024 767th The-Wolfson 354 230 102ms 16 Dec 2024 768th IoLimmer 353 183 11ms 10 Oct 2024 769th aksyristos 351 184 16ms 15 Nov 2024 770th estomagordo 🇳🇱 347 186 10ms 15 Jul 2025 771st RobGLambert 341 273 200ms 8 Jun 2025 772nd Ernest1338 339 275 275ms 26 Oct 2024 773rd noahhorlacher 337 191 9ms 7 Dec 2024 774th snoozingnewt 🇺🇸 303 200 3ms 14 days ago 775th gautambp 296 218 10ms 24 Jun 2025 776th KatieLG 🇬🇧 296 290 1,770ms 1 Oct 2025 777th KatieLG 🇬🇧 291 241 2ms 1 Oct 2025 778th Zhenyu-Bo 283 228 14ms 30 Jul 2025 779th EthanJantz 281 230 10ms 5 Sep 2025 780th ReterikHub 277 310 204ms 17 Jan 2025 781st Mikey-Beep 🇬🇧 273 349 25ms 12 Aug 2025 782nd RobertBurs 272 237 10ms 22 Sep 2025 783rd MeWhenI 🇻🇦 271 407 132ms 6 Oct 2024 784th TJK-S 268 241 9ms 23 days ago 785th te-chnical 250 258 193ms 4 May 2025 786th arebbsba 218 296 12ms 9 Jan 2025 787th Msleizak 🇫🇷 206 226 269ms 19 May 2025 788th AidanWalter 120 540 9ms 1 Jan 2025 789th vkptimon 120 776 307ms 9 Jul 2025 790th bignamehyp 97 667 9ms 14 Nov 2024 791st dokutan 60 2,474 124ms 18 Aug 2025 792nd iczelia 🇩🇪 52 2,045 4ms 14 Oct 2025 793rd lyphyser 0 15 80ms 25 May 2025 794th 2bular 0 16 76ms 22 Mar 2025 795th darrenks 0 17 78ms 22 Mar 2025 796th Natanaelel 🇸🇪 0 18 74ms 23 Mar 2025 796th lyxal 🇦🇺 0 18 498ms 17 May 2025 796th themoonisacheese 0 18 484ms 13 Jun 2025 796th namelessiw 0 18 411ms 12 Oct 2025 800th kg583 🇺🇸 0 20 272ms 14 May 2025 801st plcc0 0 21 99ms 4 Apr 2025 802nd ovs-code 🇩🇪 0 37 3ms 13 Jul 2025 803rd maweowo 🇩🇪 0 39 4ms 2 Oct 2025 804th ovs-code 🇩🇪 0 40 4ms 9 Jul 2025 805th AlephSquirrel 0 43 3ms 15 Jun 2025 806th evnu 0 44 4ms 12 Oct 2025 807th ovs-code 🇩🇪 0 51 16ms 13 Jun 2025 808th GrayJoKing 🇦🇺 0 55 3ms 13 Jul 2025 809th chunes3 🇺🇸 0 65 42ms 13 Feb 2025 809th DialFrost 🇸🇬 0 65 81ms 13 Feb 2025 811th sean-niemann 🇺🇸 0 68 75ms 30 Apr 2025 812th dokutan 0 89 65ms 28 Jun 2025 813th MatthewF19 0 108 119ms 17 May 2025 814th albanian-laundromat 0 123 2ms 4 Jun 2025 815th edsrzf 🇳🇿 0 142 216ms 24 Jul 2025 First Prev 751–815 of 815
