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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 226th error256 745 73 1 Nov 2024 227th ndren 745 83 4 Jul 2025 228th elgan65536 744 110 2 Nov 2024 229th rucin93 🇵🇱 744 216 17 Nov 2024 230th emgordon154 743 67 14 Nov 2024 231st alexsave 740 73 4 Dec 2024 232nd CLOStrophobic 🇮🇹 738 163 5 Mar 2025 233rd 5cw 🇺🇸 737 84 29 May 2025 234th emgordon154 737 111 18 Feb 2025 235th ovs-code 🇩🇪 736 82 9 Nov 2024 236th yoshykai 735 154 27 Mar 2025 237th rucin93 🇵🇱 731 112 3 Nov 2024 238th lukechampine 725 138 7 Jun 2025 239th roupiq 🇵🇱 720 116 12 Nov 2024 240th Shanethegamer 🇺🇸 720 139 1 Nov 2024 240th Ripick 720 139 4 Nov 2024 242nd davitf 719 86 12 Nov 2024 242nd m-tkach 🇺🇦 719 86 4 Feb 2025 244th m-tkach 🇺🇦 710 85 6 Feb 2025 244th SirBogman 🇺🇸 710 85 22 Jul 2025 246th error256 708 147 1 Nov 2024 247th emgordon154 707 95 5 Nov 2024 248th emgordon154 702 77 27 Nov 2024 249th kg583 🇺🇸 700 121 13 Feb 2025 250th madex 🇩🇪 699 96 3 Nov 2024 251st SirBogman 🇺🇸 698 53 24 Jun 2025 252nd emgordon154 698 75 2 Apr 2025 253rd SirBogman 🇺🇸 697 78 19 Jul 2025 254th SirBogman 🇺🇸 695 89 22 Jul 2025 255th bac0id 695 163 9 Jan 2025 256th GeorgeStechman 🇬🇧 693 78 3 Nov 2024 256th BambooleanLogic 🇸🇪 693 78 19 Nov 2024 258th fourth-bit 692 97 10 Nov 2024 259th FlyingPenguin223 688 97 6 Nov 2024 260th elgan65536 685 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 671 109 5 Jul 2025 273rd junkondo-jp 667 81 15 Dec 2024 274th Shanethegamer 🇺🇸 666 170 1 Nov 2024 275th lynn 661 154 21 Mar 2025 276th roupiq 🇵🇱 658 102 12 Nov 2024 277th albanian-laundromat 656 92 21 days ago 278th emgordon154 655 83 19 Nov 2024 279th lifthrasiir 🇰🇷 655 125 8 Nov 2024 280th lifthrasiir 🇰🇷 651 83 14 Nov 2024 281st Shanethegamer 🇺🇸 650 78 24 Apr 2025 282nd Andrey135296 645 118 8 Nov 2024 283rd stefangimmillaro 639 119 7 Nov 2024 284th andrewjc2000 638 97 21 May 2025 285th Schmitt-Very-Cool 636 178 3 Feb 2025 286th bac0id 634 120 9 Jan 2025 287th KatieLG 🇬🇧 633 439 1 Nov 2024 287th dokutan 633 439 1 Nov 2024 287th MeWhenI 🇻🇦 633 439 2 Nov 2024 287th Shanethegamer 🇺🇸 633 439 11 May 2025 291st AlephSquirrel 631 98 1 Nov 2024 292nd nwellnhof 🇩🇪 631 153 27 Jul 2025 293rd Carlettos1 629 130 30 Nov 2024 294th targrik 628 86 24 Feb 2025 295th AlephSquirrel 628 96 1 Nov 2024 296th stefangimmillaro 619 100 7 Nov 2024 297th KatieLG 🇬🇧 608 268 10 Nov 2024 298th targrik 607 110 5 days ago 299th zbreit 🇺🇸 605 138 1 Nov 2024 299th rschwa6308 🇺🇸 605 138 9 Nov 2024 Prev 226–300 of 891 Next