Kaprekar Numbers in all languages in bytes. 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 Bytes Time 151st inventshah 840 80 2 Nov 2024 152nd MeWhenI 🇻🇦 838 240 8 Jul 2025 153rd stefangimmillaro 837 66 5 Nov 2024 154th namelessiw 836 91 14 Nov 2024 155th acotis 835 98 18 Jun 2025 156th ovs-code 🇩🇪 834 82 8 Nov 2024 157th ovs-code 🇩🇪 832 77 4 Nov 2024 158th MeWhenI 🇻🇦 832 311 2 Nov 2024 159th error256 831 63 1 Nov 2024 159th DialFrost 🇸🇬 831 63 13 Nov 2024 161st DialFrost 🇸🇬 831 102 19 Feb 2025 162nd stefangimmillaro 826 99 1 Nov 2024 163rd ovs-code 🇩🇪 825 67 1 Nov 2024 163rd sean-niemann 🇺🇸 825 67 14 Aug 2025 165th emgordon154 823 122 17 Jan 2025 166th DialFrost 🇸🇬 821 78 13 Nov 2024 167th Kacarott 🇦🇺 820 101 4 Nov 2024 168th error256 819 66 1 Nov 2024 169th emgordon154 819 67 14 Nov 2024 170th sean-niemann 🇺🇸 819 77 17 Dec 2024 171st JohandeRuiter 🇳🇱 819 82 21 Nov 2024 172nd snyderek 🇺🇸 819 102 9 Nov 2024 173rd rucin93 🇵🇱 818 93 9 Dec 2024 173rd SirBogman 🇺🇸 818 93 24 Jun 2025 175th DialFrost 🇸🇬 818 100 12 Nov 2024 176th saito-ta 🇯🇵 816 197 19 Nov 2024 177th rucin93 🇵🇱 815 82 6 Nov 2024 177th DialFrost 🇸🇬 815 82 7 Nov 2024 177th sean-niemann 🇺🇸 815 82 19 Nov 2024 180th lifthrasiir 🇰🇷 814 84 14 Nov 2024 180th 5cw 🇺🇸 814 84 29 May 2025 182nd error256 811 103 1 Nov 2024 183rd ovs-code 🇩🇪 810 101 21 Apr 2025 184th ovs-code 🇩🇪 810 163 29 Mar 2025 185th pardouin 🇫🇷 809 80 1 Nov 2024 186th sean-niemann 🇺🇸 809 94 8 Jul 2025 187th kkoenig 809 124 16 days ago 188th stefangimmillaro 808 84 1 Nov 2024 189th pardouin 🇫🇷 808 93 2 Nov 2024 190th error256 806 65 11 May 2025 191st MeWhenI 🇻🇦 803 104 2 Nov 2024 192nd KasperKivimaeki 🇫🇮 800 84 8 Apr 2025 193rd stefangimmillaro 799 252 8 Jul 2025 194th emgordon154 798 172 7 days ago 195th CaedenHarper 🇨🇦 797 126 19 Dec 2024 195th jerrandolph 797 126 3 days ago 197th orthoplex 🇨🇽 795 86 1 Nov 2024 197th davitf 795 86 12 Nov 2024 197th m-tkach 🇺🇦 795 86 4 Feb 2025 200th anter69 🇭🇺 793 66 14 Jul 2025 201st error256 790 85 1 Nov 2024 202nd elgan65536 790 127 3 Nov 2024 203rd DialFrost 🇸🇬 789 82 8 Nov 2024 203rd ovs-code 🇩🇪 789 82 9 Nov 2024 203rd lifthrasiir 🇰🇷 789 82 2 Dec 2024 206th Herbert00709 🇵🇱 788 106 15 Jun 2025 207th SirBogman 🇺🇸 787 100 4 Nov 2024 208th galloj 🇨🇿 787 441 1 Nov 2024 209th tayloia 🇬🇧 784 69 1 Nov 2024 210th lifthrasiir 🇰🇷 781 356 11 Dec 2024 211th MeWhenI 🇻🇦 780 445 29 Apr 2025 212th GrayJoKing 🇦🇺 778 71 12 Apr 2025 213th dokutan 778 446 1 Nov 2024 214th IanUtley 777 135 20 Nov 2024 215th DialFrost 🇸🇬 776 86 6 Nov 2024 216th emgordon154 771 95 26 Aug 2025 217th emgordon154 770 104 12 Dec 2024 218th SirBogman 🇺🇸 768 89 22 Jul 2025 219th MeWhenI 🇻🇦 763 88 29 Apr 2025 220th helbling 🇨🇭 762 71 1 Nov 2024 221st m-tkach 🇺🇦 761 85 6 Feb 2025 221st SirBogman 🇺🇸 761 85 22 Jul 2025 223rd error256 757 73 1 Nov 2024 224th Herbert00709 🇵🇱 755 89 12 Nov 2024 225th edsrzf 🇳🇿 755 133 3 days ago Prev 151–225 of 924 Next