Kaprekar Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th ndren 746 83 4 Jul 2025 227th tailorspy 746 112 6 Nov 2024 228th error256 745 73 1 Nov 2024 229th elgan65536 744 110 2 Nov 2024 230th rucin93 🇵🇱 744 216 17 Nov 2024 231st emgordon154 743 67 14 Nov 2024 232nd alexsave 741 73 4 Dec 2024 233rd albanian-laundromat 739 129 3 days ago 234th CLOStrophobic 🇮🇹 738 163 5 Mar 2025 235th 5cw 🇺🇸 737 84 29 May 2025 236th emgordon154 737 111 18 Feb 2025 237th ovs-code 🇩🇪 736 82 9 Nov 2024 238th rucin93 🇵🇱 731 112 3 Nov 2024 239th lukechampine 727 138 7 Jun 2025 240th Shanethegamer 🇺🇸 722 139 1 Nov 2024 240th Ripick 722 139 4 Nov 2024 242nd davitf 720 86 12 Nov 2024 242nd m-tkach 🇺🇦 720 86 4 Feb 2025 244th roupiq 🇵🇱 720 116 12 Nov 2024 245th m-tkach 🇺🇦 710 85 6 Feb 2025 245th SirBogman 🇺🇸 710 85 22 Jul 2025 247th error256 708 147 1 Nov 2024 248th emgordon154 707 95 5 Nov 2024 249th emgordon154 703 77 27 Nov 2024 250th madex 🇩🇪 700 96 3 Nov 2024 251st kg583 🇺🇸 700 121 13 Feb 2025 252nd SirBogman 🇺🇸 698 53 24 Jun 2025 253rd emgordon154 698 75 2 Apr 2025 254th SirBogman 🇺🇸 697 78 19 Jul 2025 255th SirBogman 🇺🇸 696 89 22 Jul 2025 256th GeorgeStechman 🇬🇧 694 78 3 Nov 2024 256th BambooleanLogic 🇸🇪 694 78 19 Nov 2024 258th fourth-bit 693 97 10 Nov 2024 259th FlyingPenguin223 688 97 6 Nov 2024 260th elgan65536 686 98 3 Nov 2024 261st Yax42 🇫🇷 685 111 7 Dec 2024 262nd JDiLenarda 🇫🇷 682 132 30 Jun 2025 263rd Shanethegamer 🇺🇸 681 102 1 Nov 2024 264th MeWhenI 🇻🇦 680 80 2 Nov 2024 265th alemelis 676 75 1 Nov 2024 266th stefangimmillaro 676 80 1 Nov 2024 266th Lv0Sys 🇵🇱 676 80 15 Jun 2025 268th madex 🇩🇪 676 121 1 Nov 2024 269th albanian-laundromat 673 92 22 Jun 2025 270th brimanwebb 673 113 8 Nov 2024 271st Ripick 673 119 4 Nov 2024 272nd error256 672 109 5 Jul 2025 273rd junkondo-jp 668 81 15 Dec 2024 274th Liibe 662 123 8 hours ago 275th lynn 661 154 21 Mar 2025 276th roupiq 🇵🇱 659 102 12 Nov 2024 277th albanian-laundromat 656 92 4 Aug 2025 278th emgordon154 655 83 19 Nov 2024 279th lifthrasiir 🇰🇷 655 125 8 Nov 2024 280th edsrzf 🇳🇿 653 143 4 days ago 281st lifthrasiir 🇰🇷 652 83 14 Nov 2024 282nd Shanethegamer 🇺🇸 650 78 24 Apr 2025 283rd JayXon 🇺🇸 646 126 24 Feb 2025 284th Andrey135296 645 118 8 Nov 2024 285th stefangimmillaro 639 119 7 Nov 2024 286th andrewjc2000 638 97 21 May 2025 287th bac0id 634 120 9 Jan 2025 288th KatieLG 🇬🇧 633 439 1 Nov 2024 288th dokutan 633 439 1 Nov 2024 288th MeWhenI 🇻🇦 633 439 2 Nov 2024 288th Shanethegamer 🇺🇸 633 439 11 May 2025 292nd AlephSquirrel 632 98 1 Nov 2024 293rd targrik 629 86 24 Feb 2025 293rd CaedenHarper 🇨🇦 629 86 23 days ago 295th AlephSquirrel 629 96 1 Nov 2024 296th Carlettos1 629 130 30 Nov 2024 297th MeWhenI 🇻🇦 622 131 2 Nov 2024 298th stefangimmillaro 619 100 7 Nov 2024 299th Shanethegamer 🇺🇸 612 133 21 hours ago 300th nwellnhof 🇩🇪 609 153 27 Jul 2025 Prev 226–300 of 918 Next