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 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 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 226th trinityy-7 804 80 10ms 23 Jul 2025 227th MeWhenI 🇻🇦 804 183 18ms 2 Oct 2024 228th GrayJoKing 🇦🇺 803 58 7ms 24 Oct 2024 229th xsot 🇸🇬 803 125 7ms 20 Oct 2024 230th DialFrost 🇸🇬 802 106 25ms 23 Mar 2025 231st ovs-code 🇩🇪 802 119 25ms 1 Oct 2024 232nd ovs-code 🇩🇪 801 75 1,110ms 1 Oct 2024 233rd MeWhenI 🇻🇦 801 127 2ms 5 Oct 2024 233rd albanian-laundromat 801 127 3ms 8 days ago 235th Shanethegamer 🇺🇸 801 208 1,934ms 14 Apr 2025 235th DialFrost 🇸🇬 801 208 817ms 18 Apr 2025 237th stefangimmillaro 800 89 421ms 4 Oct 2024 238th error256 800 116 336ms 24 Sep 2025 239th Shanethegamer 🇺🇸 800 138 171ms 3 Oct 2024 240th Babafaba 797 81 17ms 3 hours ago 241st MeWhenI 🇻🇦 797 88 2ms 2 Oct 2024 242nd 2bular 796 49 31ms 2 days ago 243rd DialFrost 🇸🇬 795 85 7ms 1 Oct 2024 243rd xsot 🇸🇬 795 85 4ms 7 Oct 2024 245th sean-niemann 🇺🇸 795 92 112ms 1 Oct 2025 246th albanian-laundromat 794 74 784ms 8 days ago 247th tayloia 🇬🇧 794 81 10ms 3 Oct 2024 247th targrik 794 81 9ms 8 Feb 2025 249th stefangimmillaro 794 87 125ms 4 Oct 2024 250th duckyluuk 🇳🇱 794 99 11ms 17 Dec 2024 251st Shanethegamer 🇺🇸 794 102 384ms 4 Oct 2024 252nd edsrzf 🇳🇿 794 117 325ms 24 Sep 2025 253rd Shanethegamer 🇺🇸 794 128 2ms 3 Oct 2024 254th albanian-laundromat 793 120 42ms 8 days ago 255th edsrzf 🇳🇿 791 76 1,165ms 1 Oct 2024 256th DialFrost 🇸🇬 791 84 2,866ms 26 Oct 2024 257th MeWhenI 🇻🇦 791 90 389ms 2 Oct 2024 258th jared-hughes 791 203 101ms 20 Dec 2024 259th saito-ta 🇯🇵 790 74 8ms 1 Oct 2024 260th Natanaelel 🇸🇪 788 48 112ms 1 Oct 2024 261st MeWhenI 🇻🇦 788 109 395ms 2 Oct 2024 262nd emgordon154 788 151 258ms 17 Jan 2025 263rd SB-945 787 82 17ms 1 Oct 2024 263rd HumanoidCPU 787 82 71ms 7 Mar 2025 263rd fkantelberg 787 82 11ms 11 Jul 2025 263rd BrunoVisnadi 🇧🇷 787 82 13ms 21 Sep 2025 267th KingSkyrock 🇺🇸 785 82 10ms 14 Oct 2024 268th Shanethegamer 🇺🇸 785 88 124ms 4 Oct 2024 269th SirBogman 🇺🇸 785 138 43ms 11 Jul 2025 270th stefangimmillaro 783 61 36ms 1 Oct 2024 271st Shanethegamer 🇺🇸 783 152 260ms 3 Oct 2024 271st targrik 783 152 267ms 7 Jul 2025 273rd Shanethegamer 🇺🇸 782 91 332ms 3 Oct 2024 274th edsrzf 🇳🇿 782 119 151ms 23 Jul 2025 275th SirBogman 🇺🇸 780 50 36ms 8 Jul 2025 276th namelessiw 780 119 346ms 9 Oct 2025 277th MeWhenI 🇻🇦 780 122 55ms 5 Oct 2024 278th sean-niemann 🇺🇸 779 107 331ms 3 Oct 2024 279th Bmrl7 778 83 13ms 3 Oct 2024 280th emgordon154 777 166 1,640ms 2 Oct 2024 281st adriweb 🇫🇷 776 102 2ms 5 Oct 2024 282nd m-tkach 🇺🇦 776 131 3ms 4 Oct 2024 283rd bizy-coder 775 74 527ms 1 Oct 2024 283rd m-tkach 🇺🇦 775 74 636ms 3 Oct 2024 285th uttumuttu 🇫🇮 775 83 10ms 1 Oct 2024 285th KatieLG 🇬🇧 775 83 13ms 1 Oct 2024 285th Larento 775 83 9ms 4 Nov 2024 285th Andrey-Plotnikov 775 83 10ms 13 Jan 2025 285th nathanadams 🇳🇿 775 83 10ms 6 Oct 2025 290th Shanethegamer 🇺🇸 774 120 332ms 24 Sep 2025 291st DialFrost 🇸🇬 773 76 734ms 30 Aug 2025 292nd Natanaelel 🇸🇪 772 143 184ms 20 Apr 2025 293rd sean-niemann 🇺🇸 771 105 440ms 1 Oct 2024 294th sisyphus-ppcg 🇦🇺 770 62 39ms 3 Oct 2024 295th retrohun 769 63 20ms 2 Oct 2024 296th AlephSquirrel 769 84 23ms 1 Oct 2024 296th kops-cg 769 84 20ms 22 Feb 2025 296th xnor-gate 769 84 20ms 23 Feb 2025 296th plcc0 769 84 18ms 6 Apr 2025 296th KatieLG 🇬🇧 769 84 19ms 25 May 2025 First Prev 226–300 of 810 Next Last