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 241st MeWhenI 🇻🇦 819 85 2ms 5 Oct 2024 241st albanian-laundromat 🇺🇸 819 85 2ms 4 days ago 243rd frosster 🇨🇦 819 97 2ms 11 Feb 2026 244th sisyphus-ppcg 🇦🇺 818 83 11ms 2 Oct 2024 245th GrayJoKing 🇦🇺 818 101 6ms 27 Feb 2026 246th MeWhenI 🇻🇦 818 183 15ms 2 Oct 2024 247th MeWhenI 🇻🇦 817 104 1,025ms 2 Oct 2024 248th canissimia 🇦🇶 817 130 3ms 4 Oct 2024 249th lifthrasiir 🇰🇷 815 197 9ms 19 Dec 2024 250th Shanethegamer 🇺🇸 814 70 1,296ms 9 Apr 2025 251st sean-niemann 🇺🇸 813 115 361ms 24 Sep 2025 251st stefangimmillaro 813 115 671ms 6 Oct 2025 253rd albanian-laundromat 🇺🇸 813 118 4ms 11 Dec 2025 254th stefangimmillaro 813 126 2ms 3 Oct 2024 255th stefangimmillaro 813 134 41ms 3 Oct 2024 256th emgordon154 813 205 1,428ms 7 Mar 2025 257th jusaka 812 35 3ms 3 days ago 258th Natanaelel 🇸🇪 812 59 35ms 7 Feb 2025 259th lifthrasiir 🇰🇷 811 71 476ms 2 Dec 2024 260th saito-ta 🇯🇵 811 85 1ms 1 Oct 2024 261st CLOStrophobic 🇮🇹 811 119 6ms 24 Feb 2025 262nd emgordon154 807 72 137ms 2 Oct 2024 262nd rucin93 🇵🇱 807 72 131ms 28 Feb 2026 264th MeWhenI 🇻🇦 807 127 2ms 5 Oct 2024 264th albanian-laundromat 🇺🇸 807 127 3ms 3 Nov 2025 266th albanian-laundromat 🇺🇸 807 148 352ms 3 Dec 2025 267th GolfingSuccess 🇬🇷 806 31 69ms 5 Oct 2024 268th trinityy-7 806 80 14ms 23 Jul 2025 269th error256 806 116 494ms 24 Sep 2025 270th Shanethegamer 🇺🇸 805 102 451ms 4 Oct 2024 271st stefangimmillaro 804 89 418ms 4 Oct 2024 272nd edsrzf 🇳🇿 804 104 405ms 21 Feb 2026 273rd JayXon 🇺🇸 804 186 1,687ms 15 hours ago 274th GrayJoKing 🇦🇺 803 58 6ms 24 Oct 2024 275th anter69 🇭🇺 803 71 1,213ms 25 Feb 2026 276th sean-niemann 🇺🇸 803 92 158ms 1 Oct 2025 277th m-tkach 🇺🇦 803 138 29ms 3 Oct 2024 277th Shanethegamer 🇺🇸 803 138 142ms 3 Oct 2024 279th stefangimmillaro 802 87 108ms 4 Oct 2024 280th DialFrost 🇸🇬 802 106 24ms 23 Mar 2025 281st ovs-code 🇩🇪 802 119 15ms 1 Oct 2024 282nd albanian-laundromat 🇺🇸 802 120 42ms 3 Nov 2025 283rd Shanethegamer 🇺🇸 801 208 1,427ms 14 Apr 2025 283rd DialFrost 🇸🇬 801 208 1,589ms 18 Apr 2025 285th snoozingnewt 🇨🇦 800 72 409ms 6 Dec 2025 286th Shanethegamer 🇺🇸 800 128 2ms 3 Oct 2024 287th Babafaba 798 81 18ms 11 Nov 2025 288th DialFrost 🇸🇬 798 85 10ms 1 Oct 2024 288th xsot 🇸🇬 798 85 5ms 7 Oct 2024 290th MeWhenI 🇻🇦 798 109 444ms 2 Oct 2024 291st 2bular 796 49 31ms 8 Nov 2025 292nd tayloia 🇬🇧 796 81 10ms 3 Oct 2024 292nd targrik 796 81 9ms 8 Feb 2025 294th DialFrost 🇸🇬 796 84 2,495ms 26 Oct 2024 295th Natanaelel 🇸🇪 795 48 136ms 1 Oct 2024 296th MeWhenI 🇻🇦 795 90 421ms 2 Oct 2024 297th vang1ong7ang 795 118 151ms 10 days ago 298th Shanethegamer 🇺🇸 792 88 114ms 4 Oct 2024 299th emgordon154 791 151 340ms 17 Jan 2025 300th jared-hughes 791 203 88ms 20 Dec 2024 301st saito-ta 🇯🇵 790 74 7ms 1 Oct 2024 302nd SB-945 789 82 18ms 1 Oct 2024 302nd HumanoidCPU 789 82 63ms 7 Mar 2025 302nd fkantelberg 789 82 11ms 11 Jul 2025 302nd BrunoVisnadi 🇧🇷 789 82 10ms 21 Sep 2025 306th edsrzf 🇳🇿 789 119 155ms 23 Jul 2025 307th MeWhenI 🇻🇦 789 122 39ms 5 Oct 2024 308th SirBogman 🇺🇸 789 138 39ms 11 Jul 2025 309th KingSkyrock 🇺🇸 787 82 11ms 14 Oct 2024 310th stefangimmillaro 786 61 35ms 1 Oct 2024 311th Shanethegamer 🇺🇸 786 91 441ms 3 Oct 2024 312th namelessiw 786 119 467ms 9 Oct 2025 313th Shanethegamer 🇺🇸 786 152 337ms 3 Oct 2024 313th targrik 786 152 342ms 7 Jul 2025 315th MeWhenI 🇻🇦 784 88 1ms 2 Oct 2024 316th sean-niemann 🇺🇸 782 105 461ms 1 Oct 2024 317th sean-niemann 🇺🇸 782 107 375ms 3 Oct 2024 318th m-tkach 🇺🇦 782 131 2ms 4 Oct 2024 319th albanian-laundromat 🇺🇸 781 74 1,086ms 3 Nov 2025 320th SirBogman 🇺🇸 780 50 32ms 8 Jul 2025 First Prev 241–320 of 965 Next Last