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 451st emgordon154 360 202 10 days ago 452nd dokutan 360 218 1 Nov 2024 453rd HumanoidCPU 360 446 1 Nov 2024 453rd dokutan 360 446 1 Nov 2024 453rd Shanethegamer 🇺🇸 360 446 1 Nov 2024 453rd KatieLG 🇬🇧 360 446 1 Nov 2024 453rd MeWhenI 🇻🇦 360 446 2 Nov 2024 453rd CaedenHarper 🇨🇦 360 446 22 Jan 2025 459th dokutan 359 204 1 Nov 2024 460th mrxz 🇳🇱 358 151 21 Nov 2024 461st scpchicken 🇵🇼 356 174 17 Feb 2025 462nd tomh1012 354 215 35 hours ago 463rd adriweb 🇫🇷 353 189 14 Nov 2024 463rd Waffle3z 353 189 24 Nov 2024 465th dokutan 350 430 1 Nov 2024 466th msbranicky 349 218 1 Nov 2024 467th kichiandk 349 287 13 Nov 2024 468th SB-945 346 179 1 Nov 2024 469th robintown 338 301 8 Jan 2025 470th dokutan 336 199 1 Nov 2024 471st Flekay 🇩🇪 333 186 8 days ago 472nd dokutan 331 292 18 Apr 2025 473rd HumanoidCPU 331 507 1 Nov 2024 473rd Shanethegamer 🇺🇸 331 507 1 Nov 2024 473rd KatieLG 🇬🇧 331 507 1 Nov 2024 473rd CaedenHarper 🇨🇦 331 507 6 hours ago 477th msbranicky 330 194 1 Nov 2024 478th Lv0Sys 🇵🇱 327 155 15 Jun 2025 479th inventshah 326 190 4 Nov 2024 480th duckyluuk 🇳🇱 323 187 6 Nov 2024 481st madeforlosers 323 1,787 8 Nov 2024 482nd dokutan 321 258 22 Jun 2025 483rd dokutan 320 210 1 Nov 2024 484th HumanoidCPU 317 1,820 1 Nov 2024 485th dokutan 315 212 1 Nov 2024 486th wh3n3v3r 🇨🇿 314 197 7 Nov 2024 487th dokutan 310 254 1 Nov 2024 488th emgordon154 308 120 5 Nov 2024 489th croc54 308 218 9 Jan 2025 490th albanian-laundromat 308 255 2 days ago 491st edsrzf 🇳🇿 306 305 6 Jan 2025 492nd IISResetMe 303 319 15 Nov 2024 493rd Jacob385 303 374 1 Nov 2024 494th jameswmccarty 295 210 2 Nov 2024 495th dokutan 295 287 1 Nov 2024 496th KatieLG 🇬🇧 291 1,983 1 Nov 2024 497th weliveinhell 🇭🇹 289 187 20 Jun 2025 498th Ripick 278 300 4 Nov 2024 499th neihousaigaai 275 225 15 Nov 2024 500th dokutan 275 233 1 Nov 2024 501st Shanethegamer 🇺🇸 275 481 13 Jan 2025 501st KatieLG 🇬🇧 275 481 13 Jan 2025 501st GolfingSuccess 🇬🇷 275 481 13 Jan 2025 501st HumanoidCPU 275 481 13 Jan 2025 501st dokutan 275 481 14 Jan 2025 501st CaedenHarper 🇨🇦 275 481 25 Jan 2025 507th dokutan 274 265 1 Nov 2024 508th CornerMercury 🇬🇧 273 227 28 May 2025 509th HumanoidCPU 269 448 1 Nov 2024 509th dokutan 269 448 1 Nov 2024 509th KatieLG 🇬🇧 269 448 1 Nov 2024 509th Shanethegamer 🇺🇸 269 448 1 Nov 2024 509th CaedenHarper 🇨🇦 269 448 24 Jan 2025 514th Jaydosu 267 232 9 Apr 2025 514th fkantelberg 267 232 12 Jul 2025 516th MeWhenI 🇻🇦 267 451 2 Nov 2024 517th dokutan 265 191 1 Nov 2024 518th HumanoidCPU 264 446 1 Nov 2024 518th KatieLG 🇬🇧 264 446 1 Nov 2024 518th Shanethegamer 🇺🇸 264 446 1 Nov 2024 518th MeWhenI 🇻🇦 264 446 2 Nov 2024 518th ehulinsky 🇺🇸 264 446 26 Mar 2025 518th CaedenHarper 🇨🇦 264 446 6 hours ago 524th dokutan 260 315 6 Nov 2024 525th MarcMush 🇫🇷 257 197 19 Nov 2024 Prev 451–525 of 867 Next