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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 dokutan 335 199 1 Nov 2024 452nd stefangimmillaro 333 274 1 Nov 2024 453rd msbranicky 330 194 1 Nov 2024 454th HumanoidCPU 330 507 1 Nov 2024 454th Shanethegamer 🇺🇸 330 507 1 Nov 2024 454th KatieLG 🇬🇧 330 507 1 Nov 2024 457th dokutan 328 258 13 days ago 458th Lv0Sys 🇵🇱 327 155 20 days ago 459th inventshah 325 190 4 Nov 2024 460th madeforlosers 323 1,787 8 Nov 2024 461st duckyluuk 🇳🇱 322 187 6 Nov 2024 462nd dokutan 320 210 1 Nov 2024 463rd HumanoidCPU 317 1,820 1 Nov 2024 464th wh3n3v3r 🇨🇿 314 197 7 Nov 2024 465th dokutan 314 212 1 Nov 2024 466th IISResetMe 310 319 15 Nov 2024 467th dokutan 309 254 1 Nov 2024 468th emgordon154 308 120 5 Nov 2024 469th croc54 308 218 9 Jan 2025 470th edsrzf 🇳🇿 306 305 6 Jan 2025 471st Jacob385 302 374 1 Nov 2024 472nd Shanethegamer 🇺🇸 296 481 13 Jan 2025 472nd KatieLG 🇬🇧 296 481 13 Jan 2025 472nd GolfingSuccess 🇬🇷 296 481 13 Jan 2025 472nd HumanoidCPU 296 481 13 Jan 2025 472nd dokutan 296 481 14 Jan 2025 472nd CaedenHarper 🇨🇦 296 481 25 Jan 2025 478th jameswmccarty 294 210 2 Nov 2024 479th dokutan 294 287 1 Nov 2024 480th KatieLG 🇬🇧 291 1,983 1 Nov 2024 481st weliveinhell 🇭🇹 289 187 15 days ago 482nd Ripick 278 300 4 Nov 2024 483rd neihousaigaai 275 225 15 Nov 2024 484th dokutan 275 233 1 Nov 2024 485th dokutan 274 265 1 Nov 2024 486th CornerMercury 🇬🇧 272 227 28 May 2025 487th HumanoidCPU 269 448 1 Nov 2024 487th dokutan 269 448 1 Nov 2024 487th KatieLG 🇬🇧 269 448 1 Nov 2024 487th Shanethegamer 🇺🇸 269 448 1 Nov 2024 487th CaedenHarper 🇨🇦 269 448 24 Jan 2025 492nd MeWhenI 🇻🇦 267 451 2 Nov 2024 493rd Jaydosu 266 232 9 Apr 2025 494th dokutan 265 191 1 Nov 2024 495th HumanoidCPU 263 446 1 Nov 2024 495th KatieLG 🇬🇧 263 446 1 Nov 2024 495th Shanethegamer 🇺🇸 263 446 1 Nov 2024 495th MeWhenI 🇻🇦 263 446 2 Nov 2024 495th ehulinsky 🇺🇸 263 446 26 Mar 2025 500th dokutan 259 315 6 Nov 2024 501st MarcMush 🇫🇷 257 197 19 Nov 2024 502nd dokutan 252 259 1 Nov 2024 503rd RaBa21 248 249 5 hours ago 504th JunkIce 247 250 24 Nov 2024 505th KatieLG 🇬🇧 243 248 19 Apr 2025 506th edsrzf 🇳🇿 243 348 8 Dec 2024 507th JunkIce 241 250 3 Dec 2024 508th cdesodt 236 262 20 days ago 509th Mathrew2012 235 263 9 Nov 2024 510th Natanaelel 🇸🇪 235 355 15 days ago 511th KatieLG 🇬🇧 232 851 1 Nov 2024 512th HumanoidCPU 230 451 1 Nov 2024 512th Shanethegamer 🇺🇸 230 451 1 Nov 2024 512th MeWhenI 🇻🇦 230 451 2 Nov 2024 515th HumanoidCPU 229 561 1 Nov 2024 515th MeWhenI 🇻🇦 229 561 2 Nov 2024 517th msbranicky 227 272 1 Nov 2024 518th dokutan 226 459 1 Nov 2024 519th HumanoidCPU 225 245 10 Jan 2025 520th HumanoidCPU 225 439 1 Nov 2024 520th Shanethegamer 🇺🇸 225 439 1 Nov 2024 520th MeWhenI 🇻🇦 225 439 2 Nov 2024 520th Msleizak 🇫🇷 225 439 27 Dec 2024 520th nullshallot 225 439 9 Jan 2025 525th dokutan 223 247 23 Apr 2025 Prev 451–525 of 811 Next