Card Number Validation in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Continued Fractions 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 Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Continued Fractions 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 Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 226th stefangimmillaro 807 126 2ms 3 Oct 2024 227th GolfingSuccess 🇬🇷 806 31 69ms 5 Oct 2024 228th emgordon154 805 72 118ms 2 Oct 2024 229th albanian-laundromat 805 148 243ms 40 hours ago 230th trinityy-7 804 80 10ms 23 Jul 2025 231st error256 804 116 336ms 24 Sep 2025 232nd GrayJoKing 🇦🇺 803 58 7ms 24 Oct 2024 233rd xsot 🇸🇬 803 125 7ms 20 Oct 2024 234th DialFrost 🇸🇬 802 106 25ms 23 Mar 2025 235th ovs-code 🇩🇪 802 119 14ms 1 Oct 2024 236th ovs-code 🇩🇪 801 75 1,110ms 1 Oct 2024 237th MeWhenI 🇻🇦 801 127 2ms 5 Oct 2024 237th albanian-laundromat 801 127 3ms 3 Nov 2025 239th Shanethegamer 🇺🇸 801 208 1,396ms 14 Apr 2025 239th DialFrost 🇸🇬 801 208 442ms 18 Apr 2025 241st stefangimmillaro 800 89 381ms 4 Oct 2024 242nd Shanethegamer 🇺🇸 800 138 171ms 3 Oct 2024 243rd MeWhenI 🇻🇦 799 88 2ms 2 Oct 2024 244th Babafaba 797 81 17ms 23 days ago 245th edsrzf 🇳🇿 797 117 325ms 24 Sep 2025 246th 2bular 796 49 31ms 25 days ago 247th DialFrost 🇸🇬 795 85 6ms 1 Oct 2024 247th xsot 🇸🇬 795 85 4ms 7 Oct 2024 249th sean-niemann 🇺🇸 795 92 112ms 1 Oct 2025 250th albanian-laundromat 794 74 784ms 3 Nov 2025 251st tayloia 🇬🇧 794 81 9ms 3 Oct 2024 251st targrik 794 81 10ms 8 Feb 2025 253rd stefangimmillaro 794 87 100ms 4 Oct 2024 254th Shanethegamer 🇺🇸 794 102 384ms 4 Oct 2024 255th Shanethegamer 🇺🇸 794 128 2ms 3 Oct 2024 256th albanian-laundromat 793 120 39ms 3 Nov 2025 257th edsrzf 🇳🇿 791 76 1,165ms 1 Oct 2024 258th DialFrost 🇸🇬 791 84 2,866ms 26 Oct 2024 259th MeWhenI 🇻🇦 791 90 419ms 2 Oct 2024 260th jared-hughes 791 203 101ms 20 Dec 2024 261st saito-ta 🇯🇵 790 74 7ms 1 Oct 2024 262nd emgordon154 789 151 262ms 17 Jan 2025 263rd Natanaelel 🇸🇪 788 48 115ms 1 Oct 2024 264th MeWhenI 🇻🇦 788 109 395ms 2 Oct 2024 265th SB-945 787 82 18ms 1 Oct 2024 265th HumanoidCPU 787 82 61ms 7 Mar 2025 265th fkantelberg 787 82 10ms 11 Jul 2025 265th BrunoVisnadi 🇧🇷 787 82 10ms 21 Sep 2025 269th KingSkyrock 🇺🇸 785 82 10ms 14 Oct 2024 270th Shanethegamer 🇺🇸 785 88 99ms 4 Oct 2024 271st kg583 🇺🇸 785 94 4ms 21 days ago 272nd SirBogman 🇺🇸 785 138 43ms 11 Jul 2025 273rd edsrzf 🇳🇿 784 119 152ms 23 Jul 2025 273rd namelessiw 784 119 346ms 9 Oct 2025 275th Shanethegamer 🇺🇸 784 152 265ms 3 Oct 2024 275th targrik 784 152 267ms 7 Jul 2025 277th stefangimmillaro 783 61 36ms 1 Oct 2024 278th Shanethegamer 🇺🇸 782 91 358ms 3 Oct 2024 279th SirBogman 🇺🇸 780 50 36ms 8 Jul 2025 280th MeWhenI 🇻🇦 780 122 55ms 5 Oct 2024 281st sean-niemann 🇺🇸 779 107 331ms 3 Oct 2024 282nd Bmrl7 778 83 10ms 3 Oct 2024 282nd snoozingnewt 🇨🇦 778 83 11ms 14 days ago 284th bizy-coder 777 74 507ms 1 Oct 2024 284th m-tkach 🇺🇦 777 74 508ms 3 Oct 2024 286th adriweb 🇫🇷 777 102 2ms 5 Oct 2024 287th Shanethegamer 🇺🇸 777 120 332ms 24 Sep 2025 288th emgordon154 777 166 1,640ms 2 Oct 2024 289th m-tkach 🇺🇦 776 131 3ms 4 Oct 2024 290th uttumuttu 🇫🇮 775 83 10ms 1 Oct 2024 290th KatieLG 🇬🇧 775 83 9ms 1 Oct 2024 290th Larento 775 83 9ms 4 Nov 2024 290th Andrey-Plotnikov 775 83 9ms 13 Jan 2025 290th nathanadams 🇳🇿 775 83 9ms 6 Oct 2025 295th duckyluuk 🇳🇱 775 97 9ms 9 days ago 296th DialFrost 🇸🇬 773 76 734ms 30 Aug 2025 297th Natanaelel 🇸🇪 772 143 184ms 20 Apr 2025 298th sean-niemann 🇺🇸 771 105 440ms 1 Oct 2024 299th DialFrost 🇸🇬 771 121 322ms 24 Sep 2025 300th sisyphus-ppcg 🇦🇺 770 62 39ms 3 Oct 2024 First Prev 226–300 of 833 Next Last