Morse Decoder 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 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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 Chars Time Submitted 526th LukeBridges 🇬🇧 309 317 10ms 21 Aug 2024 527th karhuthebear 308 290 11ms 5 May 2022 527th SniperSmiley 🇺🇸 308 290 10ms 4 Jul 2022 529th juliansiebert 🇩🇪 308 298 304ms 20 Jan 2023 530th davecame 307 291 11ms 15 Mar 2024 531st JVerwolf 306 292 21ms 27 Aug 2021 532nd LucaArgentiUCF 🇮🇹 306 582 47ms 23 Jan 2021 533rd Yewzir 🇧🇪 305 293 16ms 19 May 2023 534th Emutis 🇱🇹 304 294 14ms 2 Aug 2025 535th neihousaigaai 304 428 373ms 18 Apr 2021 536th CaedenHarper 🇨🇦 302 324 10ms 40 hours ago 537th TimCurwick 🇺🇸 301 305 197ms 28 Jul 2020 538th neihousaigaai 299 327 9ms 14 May 2021 539th s-g-stavely 299 414 2ms 11 May 2021 540th chunky 299 832 2ms 1 Oct 2020 541st BenBanerjeeRichards 298 300 12ms 12 Nov 2021 542nd yokasuretsu 297 223 114ms 28 Jun 2018 543rd Yewzir 🇧🇪 296 293 476ms 15 Jan 2024 544th MaxCastella 🇫🇷 296 310 224ms 15 Mar 2024 545th fgrosshans 🇫🇷 294 304 13ms 9 May 2023 546th msbranicky 293 565 3ms 13 Aug 2023 547th Yewzir 🇧🇪 292 434 12ms 26 Dec 2024 548th eiburns 290 309 11ms 25 Aug 2023 549th MeWhenI 🇻🇦 290 1,316 37ms 28 Aug 2023 550th tomh1012 288 340 11ms 20 Oct 2020 551st jmerle 🇳🇱 286 313 15ms 11 Jul 2023 552nd dokutan 286 871 2ms 9 Dec 2024 553rd mizuzimu 284 315 10ms 16 Mar 2021 554th LordSir101 284 344 9ms 16 Aug 2025 555th omurakazuaki 🇯🇵 284 345 12ms 17 Feb 2021 556th olligobber 🇦🇺 284 631 147ms 22 May 2020 557th McErer 283 346 10ms 14 Jan 2019 558th robymus 281 246 36ms 18 Sep 2018 559th mathisfun271 281 318 12ms 19 Feb 2024 560th KatieLG 🇬🇧 281 332 1,054ms 25 Apr 2021 561st patbassing 280 319 10ms 8 Jul 2019 561st dymowski 280 319 12ms 3 Jan 2020 563rd arcage 🇯🇵 278 336 1,134ms 10 Aug 2021 564th KatieLG 🇬🇧 277 353 15ms 4 Feb 2022 565th choroba 276 225 4ms 3 May 2018 566th lukasmoellerch 276 355 11ms 15 Jul 2019 567th SteveL-MSFT 275 333 263ms 10 Jun 2020 568th NicoAdams 274 326 10ms 30 Dec 2021 569th graft 273 253 37ms 10 Mar 2018 570th relet 273 328 14ms 9 Aug 2018 570th TobyBoyne 🇬🇧 273 328 9ms 15 Apr 2022 572nd madeforlosers 273 358 11ms 23 Oct 2024 573rd aaronze 🇦🇺 273 359 9ms 1 Apr 2021 574th zdzc 272 329 16ms 1 Apr 2018 575th 007lock 272 698 261ms 11 May 2020 576th LeeCamp 271 330 17ms 25 Dec 2021 576th neihousaigaai 271 330 10ms 14 Feb 2024 578th dokutan 270 290 3ms 12 Feb 2025 579th kurkale6ka 270 331 15ms 29 Dec 2023 580th pg98 270 363 9ms 5 Sep 2019 581st alemelis 265 285 763ms 6 Aug 2024 582nd tpaxman 🇨🇦 265 338 9ms 17 Dec 2020 583rd dijs 264 370 9ms 20 Dec 2019 583rd SpareManiKatti 264 370 10ms 14 Oct 2021 585th OllieBoyne 🇬🇧 263 340 11ms 14 Apr 2022 586th retrohun 261 401 3ms 26 Aug 2025 587th dokutan 261 725 65ms 3 Jul 2025 588th dsntzn 🇸🇰 260 377 10ms 3 Mar 2021 589th D1CED 260 612 42ms 17 Nov 2021 590th 77Tigers 259 346 10ms 2 Mar 2021 591st jfallon1997 256 349 12ms 24 Aug 2022 592nd inverseLorentz 🇦🇺 255 351 10ms 11 Mar 2024 593rd ian-h-chamberlain 🇺🇸 255 705 218ms 12 Oct 2020 594th TaserTheFox 🇺🇸 253 354 14ms 4 Apr 2023 595th mcreenan 252 263 128ms 16 Jun 2018 596th dzshn 252 355 11ms 25 Nov 2020 597th acollett89 252 388 11ms 5 Aug 2025 598th vgamula 🇺🇦 251 356 12ms 8 Jul 2025 599th Pena86 251 357 11ms 31 Dec 2021 599th aksyristos 251 357 10ms 12 Mar 2023 First Prev 526–600 of 851 Next Last