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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 226th error256 756 108 24 days ago 227th ovs-code 🇩🇪 755 82 8 Nov 2024 228th emgordon154 751 176 29 May 2025 229th lynn 747 90 9 Jan 2025 230th ndren 746 83 4 Jul 2025 231st tailorspy 746 112 6 Nov 2024 232nd error256 745 73 1 Nov 2024 233rd elgan65536 745 110 2 Nov 2024 233rd DialFrost 🇸🇬 745 110 1 Sep 2025 235th rucin93 🇵🇱 744 216 17 Nov 2024 236th emgordon154 743 67 14 Nov 2024 237th alexsave 741 73 4 Dec 2024 238th emgordon154 738 111 18 Feb 2025 239th CLOStrophobic 🇮🇹 738 163 5 Mar 2025 240th ovs-code 🇩🇪 737 82 9 Nov 2024 241st 5cw 🇺🇸 737 84 29 May 2025 242nd rucin93 🇵🇱 732 112 3 Nov 2024 243rd lukechampine 727 138 7 Jun 2025 244th Shanethegamer 🇺🇸 722 139 1 Nov 2024 244th Ripick 722 139 4 Nov 2024 246th davitf 720 86 12 Nov 2024 246th m-tkach 🇺🇦 720 86 4 Feb 2025 248th roupiq 🇵🇱 720 116 12 Nov 2024 249th edsrzf 🇳🇿 718 130 20 days ago 250th CaedenHarper 🇨🇦 716 114 11 days ago 251st m-tkach 🇺🇦 711 85 6 Feb 2025 251st SirBogman 🇺🇸 711 85 22 Jul 2025 253rd emgordon154 708 95 5 Nov 2024 254th error256 708 147 1 Nov 2024 255th CaedenHarper 🇨🇦 704 108 8 hours ago 256th kmathis22 704 116 4 days ago 257th emgordon154 703 77 27 Nov 2024 258th madex 🇩🇪 701 96 3 Nov 2024 259th kg583 🇺🇸 700 121 13 Feb 2025 260th SirBogman 🇺🇸 698 53 24 Jun 2025 261st emgordon154 698 75 2 Apr 2025 262nd SirBogman 🇺🇸 697 78 19 Jul 2025 263rd SirBogman 🇺🇸 695 89 22 Jul 2025 264th edsrzf 🇳🇿 695 122 9 days ago 265th GeorgeStechman 🇬🇧 694 78 3 Nov 2024 265th BambooleanLogic 🇸🇪 694 78 19 Nov 2024 267th fourth-bit 693 97 10 Nov 2024 268th FlyingPenguin223 690 97 6 Nov 2024 269th elgan65536 686 98 3 Nov 2024 270th Yax42 🇫🇷 685 111 7 Dec 2024 271st JDiLenarda 🇫🇷 682 132 30 Jun 2025 272nd Shanethegamer 🇺🇸 681 102 1 Nov 2024 273rd MeWhenI 🇻🇦 680 80 2 Nov 2024 274th madex 🇩🇪 677 121 1 Nov 2024 275th alemelis 676 75 1 Nov 2024 276th stefangimmillaro 676 80 1 Nov 2024 276th Lv0Sys 🇵🇱 676 80 15 Jun 2025 278th albanian-laundromat 673 92 22 Jun 2025 279th brimanwebb 673 113 8 Nov 2024 280th Ripick 673 119 4 Nov 2024 281st error256 672 109 5 Jul 2025 282nd junkondo-jp 668 81 15 Dec 2024 283rd Liibe 664 123 23 days ago 284th lynn 661 154 21 Mar 2025 285th roupiq 🇵🇱 659 102 12 Nov 2024 286th albanian-laundromat 657 92 4 Aug 2025 287th emgordon154 655 83 19 Nov 2024 288th lifthrasiir 🇰🇷 655 125 8 Nov 2024 289th lifthrasiir 🇰🇷 652 83 14 Nov 2024 290th Shanethegamer 🇺🇸 650 78 24 Apr 2025 291st Andrey135296 645 118 8 Nov 2024 292nd Yax42 🇫🇷 643 127 7 days ago 293rd albanian-laundromat 641 128 19 days ago 294th stefangimmillaro 639 119 7 Nov 2024 295th andrewjc2000 638 97 21 May 2025 296th bac0id 634 120 9 Jan 2025 297th KatieLG 🇬🇧 633 439 1 Nov 2024 297th dokutan 633 439 1 Nov 2024 297th MeWhenI 🇻🇦 633 439 2 Nov 2024 297th Shanethegamer 🇺🇸 633 439 11 May 2025 First Prev 226–300 of 929 Next Last