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 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 Bytes Time Submitted 676th KatieLG 🇬🇧 168 487 456ms 24 Sep 2025 677th HumanoidCPU 167 455 3ms 1 Nov 2024 677th dokutan 167 455 3ms 1 Nov 2024 677th KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 677th Shanethegamer 🇺🇸 167 455 3ms 1 Nov 2024 677th MeWhenI 🇻🇦 167 455 3ms 2 Nov 2024 677th CaedenHarper 🇨🇦 167 455 2ms 16 Aug 2025 683rd KatieLG 🇬🇧 167 472 46ms 1 Nov 2024 684th HumanoidCPU 166 458 300ms 1 Nov 2024 684th Shanethegamer 🇺🇸 166 458 318ms 1 Nov 2024 684th KatieLG 🇬🇧 166 458 346ms 1 Nov 2024 684th dokutan 166 458 329ms 1 Nov 2024 688th HumanoidCPU 165 441 4ms 1 Nov 2024 688th dokutan 165 441 4ms 1 Nov 2024 688th KatieLG 🇬🇧 165 441 3ms 1 Nov 2024 688th Shanethegamer 🇺🇸 165 441 5ms 1 Nov 2024 688th MeWhenI 🇻🇦 165 441 4ms 2 Nov 2024 688th CaedenHarper 🇨🇦 165 441 4ms 31 Jan 2025 694th dokutan 165 445 2,641ms 1 Nov 2024 694th KatieLG 🇬🇧 165 445 2,596ms 1 Nov 2024 694th MeWhenI 🇻🇦 165 445 2,789ms 2 Nov 2024 694th CaedenHarper 🇨🇦 165 445 2,739ms 1 Feb 2025 698th HumanoidCPU 162 452 2,763ms 1 Nov 2024 698th Shanethegamer 🇺🇸 162 452 2,882ms 1 Nov 2024 698th Chinay-Domitrix 🇺🇸 162 452 2,890ms 9 Apr 2025 701st HumanoidCPU 160 509 407ms 1 Nov 2024 702nd dokutan 158 318 56ms 1 Nov 2024 703rd CaedenHarper 🇨🇦 158 659 29ms 16 Aug 2025 704th KatieLG 🇬🇧 157 661 27ms 1 Nov 2024 705th KatieLG 🇬🇧 155 527 114ms 1 Nov 2024 706th HumanoidCPU 155 539 58ms 1 Nov 2024 707th Kokusui 🇯🇵 154 434 4ms 19 Nov 2024 708th snoozingnewt 🇺🇸 154 476 3,160ms 27 Sep 2025 709th dokutan 154 509 41ms 1 Nov 2024 709th MeWhenI 🇻🇦 154 509 43ms 2 Nov 2024 709th CaedenHarper 🇨🇦 154 509 56ms 22 Jan 2025 712th KatieLG 🇬🇧 154 510 38ms 1 Nov 2024 713th HumanoidCPU 153 454 73ms 1 Nov 2024 713th dokutan 153 454 82ms 1 Nov 2024 713th CaedenHarper 🇨🇦 153 454 74ms 16 Aug 2025 716th JunkIce 152 449 11ms 21 Nov 2024 717th Shanethegamer 🇺🇸 151 443 4ms 8 May 2025 718th HumanoidCPU 151 448 111ms 1 Nov 2024 718th dokutan 151 448 98ms 1 Nov 2024 718th Shanethegamer 🇺🇸 151 448 112ms 1 Nov 2024 718th MeWhenI 🇻🇦 151 448 95ms 2 Nov 2024 718th CaedenHarper 🇨🇦 151 448 101ms 16 Aug 2025 723rd HumanoidCPU 151 452 10ms 1 Nov 2024 723rd GolfingSuccess 🇬🇷 151 452 10ms 1 Nov 2024 723rd zbreit 🇺🇸 151 452 12ms 1 Nov 2024 723rd Shanethegamer 🇺🇸 151 452 10ms 1 Nov 2024 723rd madex 🇩🇪 151 452 10ms 1 Nov 2024 723rd jtaxen 151 452 10ms 1 Nov 2024 723rd Stockoh 🇫🇷 151 452 14ms 4 Nov 2024 723rd evan18c 151 452 12ms 7 Nov 2024 723rd roguh 🇬🇹 151 452 10ms 27 Nov 2024 723rd mathisfun271 151 452 10ms 25 Jan 2025 723rd moustave 151 452 12ms 9 Apr 2025 723rd SectorCorruptor 151 452 10ms 24 Jul 2025 723rd vgamula 🇺🇦 151 452 12ms 25 Jul 2025 723rd Unknownuserfrommars 151 452 10ms 5 Aug 2025 723rd Babafaba 151 452 10ms 9 days ago 738th HumanoidCPU 150 445 4ms 1 Nov 2024 738th dokutan 150 445 3ms 1 Nov 2024 738th MeWhenI 🇻🇦 150 445 3ms 2 Nov 2024 738th fischfood 150 445 3ms 8 Nov 2024 738th CaedenHarper 🇨🇦 150 445 3ms 16 Aug 2025 743rd KasperKivimaeki 🇫🇮 150 457 12ms 15 Jul 2025 743rd 051 🇸🇬 150 457 10ms 27 days ago 745th Unknownuserfrommars 150 557 2,966ms 10 Dec 2024 746th Maznek 149 364 9ms 8 Nov 2024 746th elisherer 🇮🇱 149 364 9ms 22 hours ago 748th HumanoidCPU 149 448 5ms 1 Nov 2024 748th Shanethegamer 🇺🇸 149 448 2ms 1 Nov 2024 748th koipondx86 149 448 2ms 1 Nov 2024 First Prev 676–750 of 950 Next Last