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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 239th inventshah 821 84 2ms 31 Mar 2025 242nd MeWhenI 🇻🇦 821 85 2ms 5 Oct 2024 242nd albanian-laundromat 🇺🇸 821 85 2ms 5 days ago 244th ovs-code 🇩🇪 821 106 437ms 1 Oct 2024 244th inventshah 821 106 456ms 1 Oct 2024 246th MeWhenI 🇻🇦 820 85 108ms 4 Oct 2024 247th MeWhenI 🇻🇦 820 114 470ms 7 Nov 2025 248th frosster 🇨🇦 819 97 2ms 11 Feb 2026 249th sisyphus-ppcg 🇦🇺 818 83 10ms 2 Oct 2024 250th MeWhenI 🇻🇦 818 183 15ms 2 Oct 2024 251st canissimia 🇦🇶 817 130 3ms 4 Oct 2024 252nd lifthrasiir 🇰🇷 815 197 9ms 19 Dec 2024 253rd Shanethegamer 🇺🇸 814 70 1,296ms 9 Apr 2025 254th sean-niemann 🇺🇸 813 115 361ms 24 Sep 2025 254th stefangimmillaro 813 115 671ms 6 Oct 2025 256th stefangimmillaro 813 126 2ms 3 Oct 2024 257th stefangimmillaro 813 134 41ms 3 Oct 2024 258th emgordon154 813 205 1,428ms 7 Mar 2025 259th jusaka 812 35 3ms 4 days ago 260th Natanaelel 🇸🇪 812 59 35ms 7 Feb 2025 261st lifthrasiir 🇰🇷 812 71 476ms 2 Dec 2024 262nd saito-ta 🇯🇵 811 85 1ms 1 Oct 2024 263rd CLOStrophobic 🇮🇹 811 119 6ms 24 Feb 2025 264th emgordon154 809 72 137ms 2 Oct 2024 264th rucin93 🇵🇱 809 72 131ms 28 Feb 2026 266th DialFrost 🇸🇬 808 106 24ms 23 Mar 2025 267th ovs-code 🇩🇪 808 119 15ms 1 Oct 2024 268th albanian-laundromat 🇺🇸 808 120 42ms 3 Nov 2025 269th MeWhenI 🇻🇦 807 127 2ms 5 Oct 2024 269th albanian-laundromat 🇺🇸 807 127 3ms 3 Nov 2025 271st albanian-laundromat 🇺🇸 807 148 352ms 3 Dec 2025 272nd GolfingSuccess 🇬🇷 806 31 69ms 5 Oct 2024 273rd trinityy-7 806 80 11ms 23 Jul 2025 274th error256 806 116 494ms 24 Sep 2025 275th Shanethegamer 🇺🇸 806 138 142ms 3 Oct 2024 276th Shanethegamer 🇺🇸 805 102 451ms 4 Oct 2024 277th stefangimmillaro 804 89 479ms 4 Oct 2024 278th edsrzf 🇳🇿 804 104 405ms 21 Feb 2026 279th GrayJoKing 🇦🇺 803 58 6ms 24 Oct 2024 280th anter69 🇭🇺 803 71 1,213ms 25 Feb 2026 281st sean-niemann 🇺🇸 803 92 158ms 1 Oct 2025 282nd m-tkach 🇺🇦 803 138 29ms 3 Oct 2024 283rd stefangimmillaro 802 87 108ms 4 Oct 2024 284th Shanethegamer 🇺🇸 801 208 1,427ms 14 Apr 2025 284th DialFrost 🇸🇬 801 208 1,464ms 18 Apr 2025 286th snoozingnewt 🇨🇦 800 72 409ms 6 Dec 2025 287th Shanethegamer 🇺🇸 800 128 2ms 3 Oct 2024 288th 2bular 798 49 31ms 8 Nov 2025 289th Babafaba 798 81 18ms 11 Nov 2025 290th DialFrost 🇸🇬 798 85 7ms 1 Oct 2024 290th xsot 🇸🇬 798 85 5ms 7 Oct 2024 292nd MeWhenI 🇻🇦 798 109 444ms 2 Oct 2024 293rd tayloia 🇬🇧 796 81 11ms 3 Oct 2024 293rd targrik 796 81 11ms 8 Feb 2025 295th DialFrost 🇸🇬 796 84 2,495ms 26 Oct 2024 296th Natanaelel 🇸🇪 795 48 136ms 1 Oct 2024 297th MeWhenI 🇻🇦 795 90 488ms 2 Oct 2024 298th vang1ong7ang 795 118 151ms 12 days ago 299th MeWhenI 🇻🇦 795 122 39ms 5 Oct 2024 300th Shanethegamer 🇺🇸 792 88 114ms 4 Oct 2024 301st emgordon154 791 151 340ms 17 Jan 2025 302nd jared-hughes 791 203 88ms 20 Dec 2024 303rd saito-ta 🇯🇵 790 74 7ms 1 Oct 2024 304th SB-945 789 82 18ms 1 Oct 2024 304th HumanoidCPU 789 82 63ms 7 Mar 2025 304th fkantelberg 789 82 11ms 11 Jul 2025 304th BrunoVisnadi 🇧🇷 789 82 10ms 21 Sep 2025 308th edsrzf 🇳🇿 789 119 155ms 23 Jul 2025 309th SirBogman 🇺🇸 789 138 39ms 11 Jul 2025 310th KingSkyrock 🇺🇸 787 82 11ms 14 Oct 2024 311th stefangimmillaro 786 61 35ms 1 Oct 2024 312th Shanethegamer 🇺🇸 786 91 459ms 3 Oct 2024 313th namelessiw 786 119 467ms 9 Oct 2025 314th Shanethegamer 🇺🇸 786 152 337ms 3 Oct 2024 314th targrik 786 152 342ms 7 Jul 2025 316th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 317th SirBogman 🇺🇸 782 50 32ms 8 Jul 2025 318th sean-niemann 🇺🇸 782 105 461ms 1 Oct 2024 319th sean-niemann 🇺🇸 782 107 375ms 3 Oct 2024 320th m-tkach 🇺🇦 782 131 2ms 4 Oct 2024 First Prev 241–320 of 1,001 Next Last