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 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 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 301st DialFrost 🇸🇬 767 121 459ms 24 Sep 2025 302nd didion0 🇺🇸 766 84 12ms 10 Jan 2025 303rd DialFrost 🇸🇬 766 131 6ms 11 Dec 2024 304th MeWhenI 🇻🇦 765 109 331ms 2 Oct 2024 304th edsrzf 🇳🇿 765 109 377ms 23 Jul 2025 306th emplv 🇱🇻 763 76 178ms 29 Oct 2024 307th ovs-code 🇩🇪 763 122 149ms 25 Apr 2025 308th GolfingSuccess 🇬🇷 762 70 6ms 6 Jun 2025 309th GrayJoKing 🇦🇺 761 79 1,080ms 1 Oct 2024 310th Shanethegamer 🇺🇸 761 132 8ms 2 Oct 2024 311th inventshah 759 85 23ms 4 Oct 2024 311th Artemis21 🇬🇧 759 85 10ms 10 Jan 2025 311th keelimeguy 🇺🇸 759 85 18ms 14 Jun 2025 314th MeWhenI 🇻🇦 759 89 4ms 2 Oct 2024 315th emgordon154 758 63 40ms 18 Nov 2024 315th SirBogman 🇺🇸 758 63 41ms 19 Jul 2025 317th weliveinhell 🇭🇹 757 85 11ms 1 Oct 2024 317th SteRoy 757 85 12ms 13 May 2025 319th AlephSquirrel 755 76 539ms 1 Oct 2024 320th sean-niemann 🇺🇸 754 93 2ms 24 Oct 2024 321st 0xjac 🇨🇭 753 158 296ms 17 Jun 2025 322nd Babafaba 751 86 20ms 19 days ago 323rd GrayJoKing 🇦🇺 751 90 4ms 1 Oct 2024 324th DialFrost 🇸🇬 749 75 822ms 10 Oct 2024 325th stackofbears 748 52 38ms 14 Mar 2025 326th Maznek 748 86 9ms 4 Oct 2024 327th rak1507 🇬🇧 747 38 2ms 30 Dec 2024 328th MeWhenI 🇻🇦 747 106 2ms 2 Oct 2024 329th Shanethegamer 🇺🇸 746 64 44ms 3 Oct 2024 329th Andriamanitra 🇫🇮 746 64 38ms 5 Oct 2024 331st MeWhenI 🇻🇦 746 89 4,245ms 24 Oct 2024 332nd stefangimmillaro 746 94 2ms 30 Oct 2024 333rd sean-niemann 🇺🇸 743 93 130ms 24 Oct 2024 334th DialFrost 🇸🇬 742 106 11ms 13 Dec 2024 335th MeWhenI 🇻🇦 742 162 27ms 2 Oct 2024 336th SirBogman 🇺🇸 741 63 280ms 23 Jul 2025 337th sean-niemann 🇺🇸 740 116 429ms 24 Oct 2024 338th Shanethegamer 🇺🇸 740 121 301ms 3 Oct 2024 339th KrausRaus 🇺🇸 739 87 10ms 1 Oct 2024 339th GeorgeStechman 🇬🇧 739 87 9ms 24 Oct 2024 339th coreynash 739 87 10ms 13 Feb 2025 339th kirjavascript 739 87 10ms 22 Jul 2025 343rd Shanethegamer 🇺🇸 738 90 4,383ms 28 Oct 2024 344th HumanoidCPU 736 78 461ms 7 Mar 2025 345th MeWhenI 🇻🇦 735 34 61ms 2 Oct 2024 345th emgordon154 735 34 65ms 11 Sep 2025 347th stefangimmillaro 735 92 7ms 2 Oct 2024 347th Shanethegamer 🇺🇸 735 92 5ms 3 Oct 2024 349th wh3n3v3r 🇨🇿 734 88 11ms 18 Nov 2024 349th snoozingnewt 🇺🇸 734 88 10ms 33 hours ago 351st MeWhenI 🇻🇦 733 111 141ms 2 Oct 2024 352nd Shanethegamer 🇺🇸 733 116 21ms 1 Oct 2024 353rd Shanethegamer 🇺🇸 732 100 116ms 24 May 2025 354th Shanethegamer 🇺🇸 732 156 30ms 2 Oct 2024 355th error256 731 109 10ms 24 Jul 2025 356th stefangimmillaro 731 114 343ms 13 Oct 2024 357th anter69 🇭🇺 729 78 1,023ms 1 Oct 2024 358th Shanethegamer 🇺🇸 729 96 4ms 3 Oct 2024 359th CLOStrophobic 🇮🇹 728 160 43ms 27 Feb 2025 360th Shanethegamer 🇺🇸 726 112 112ms 3 Oct 2024 361st Shanethegamer 🇺🇸 724 101 5ms 2 Oct 2024 362nd zacjl 724 110 10ms 10 Oct 2024 363rd Shanethegamer 🇺🇸 724 126 1,241ms 2 Oct 2024 364th dtbao20 🇻🇳 723 89 10ms 1 Oct 2024 364th madeforlosers 723 89 10ms 17 Oct 2024 364th junkondo-jp 723 89 9ms 14 Dec 2024 367th annaproxy 723 132 19ms 1 Oct 2024 368th weeble 720 74 8ms 1 Jul 2025 369th MeWhenI 🇻🇦 720 78 336ms 2 Oct 2024 370th nwellnhof 🇩🇪 717 90 93ms 1 Oct 2024 370th ovs-code 🇩🇪 717 90 22ms 3 Oct 2024 370th ryyyn 🇺🇸 717 90 20ms 26 Jul 2025 370th luuumine 🇫🇷 717 90 17ms 26 days ago 374th ovs-code 🇩🇪 716 81 132ms 17 Apr 2025 375th alexsave 715 90 11ms 28 Oct 2024 First Prev 301–375 of 806 Next Last