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 Continued Fractions Crossword 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 Continued Fractions Crossword 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 IISResetMe 310 292 270ms 24 Feb 2024 527th bbakersmith 310 361 17ms 31 Jul 2021 528th yokasuretsu 309 220 40ms 26 Apr 2018 529th dylanarmstrong 309 314 10ms 15 Sep 2024 530th Anonymousellama21 308 334 3ms 16 May 2022 531st karhuthebear 307 290 9ms 5 May 2022 531st SniperSmiley 🇺🇸 307 290 9ms 4 Jul 2022 533rd MeWhenI 🇻🇦 307 416 2ms 25 Aug 2023 534th davecame 306 291 9ms 15 Mar 2024 535th LukeBridges 🇬🇧 306 317 13ms 21 Aug 2024 536th JVerwolf 305 292 14ms 27 Aug 2021 537th Yewzir 🇧🇪 304 293 10ms 19 May 2023 538th juliansiebert 🇩🇪 303 298 304ms 20 Jan 2023 539th LucaArgentiUCF 🇮🇹 302 582 47ms 23 Jan 2021 540th neihousaigaai 301 428 373ms 18 Apr 2021 541st CaedenHarper 🇨🇦 300 324 10ms 13 days ago 542nd neihousaigaai 297 327 10ms 14 May 2021 543rd chunky 297 832 2ms 1 Oct 2020 544th BenBanerjeeRichards 296 300 13ms 12 Nov 2021 545th TimCurwick 🇺🇸 296 305 197ms 28 Jul 2020 546th s-g-stavely 296 414 2ms 11 May 2021 547th fgrosshans 🇫🇷 293 304 9ms 9 May 2023 548th Yewzir 🇧🇪 292 293 476ms 15 Jan 2024 549th MaxCastella 🇫🇷 292 310 224ms 15 Mar 2024 550th yokasuretsu 291 223 136ms 28 Jun 2018 551st msbranicky 291 565 3ms 13 Aug 2023 552nd MeWhenI 🇻🇦 289 1,316 37ms 28 Aug 2023 553rd eiburns 288 309 9ms 25 Aug 2023 554th Yewzir 🇧🇪 288 434 10ms 26 Dec 2024 555th tomh1012 285 340 10ms 20 Oct 2020 556th jmerle 🇳🇱 284 313 10ms 11 Jul 2023 557th dokutan 284 871 2ms 9 Dec 2024 558th mizuzimu 282 315 9ms 16 Mar 2021 559th LordSir101 282 344 9ms 16 Aug 2025 560th olligobber 🇦🇺 282 631 147ms 22 May 2020 561st omurakazuaki 🇯🇵 281 345 11ms 17 Feb 2021 562nd mathisfun271 280 318 10ms 19 Feb 2024 563rd McErer 280 346 9ms 14 Jan 2019 564th patbassing 279 319 10ms 8 Jul 2019 564th dymowski 279 319 10ms 3 Jan 2020 566th robymus 276 246 36ms 18 Sep 2018 567th KatieLG 🇬🇧 276 332 1,054ms 25 Apr 2021 568th KatieLG 🇬🇧 275 353 9ms 4 Feb 2022 569th NicoAdams 273 326 10ms 30 Dec 2021 570th arcage 🇯🇵 273 336 1,134ms 10 Aug 2021 571st lukasmoellerch 273 355 10ms 15 Jul 2019 572nd SteveL-MSFT 272 333 263ms 10 Jun 2020 573rd relet 271 328 15ms 9 Aug 2018 573rd TobyBoyne 🇬🇧 271 328 9ms 15 Apr 2022 575th madeforlosers 271 358 17ms 23 Oct 2024 576th zdzc 270 329 10ms 1 Apr 2018 577th aaronze 🇦🇺 270 359 9ms 1 Apr 2021 578th 007lock 270 698 261ms 11 May 2020 579th choroba 269 225 4ms 3 May 2018 580th graft 269 253 37ms 10 Mar 2018 581st LeeCamp 269 330 16ms 25 Dec 2021 581st neihousaigaai 269 330 10ms 14 Feb 2024 583rd kurkale6ka 269 331 15ms 29 Dec 2023 584th pg98 267 363 9ms 5 Sep 2019 585th dokutan 263 290 3ms 12 Feb 2025 586th tpaxman 🇨🇦 263 338 10ms 17 Dec 2020 587th OllieBoyne 🇬🇧 262 340 9ms 14 Apr 2022 588th dijs 262 370 10ms 20 Dec 2019 588th SpareManiKatti 262 370 10ms 14 Oct 2021 590th alemelis 260 285 763ms 6 Aug 2024 591st dokutan 258 725 65ms 3 Jul 2025 592nd 77Tigers 257 346 9ms 2 Mar 2021 593rd dsntzn 🇸🇰 257 377 10ms 3 Mar 2021 594th D1CED 257 612 42ms 17 Nov 2021 595th retrohun 256 401 3ms 26 Aug 2025 596th jfallon1997 255 349 10ms 24 Aug 2022 597th inverseLorentz 🇦🇺 253 351 9ms 11 Mar 2024 598th ian-h-chamberlain 🇺🇸 253 705 223ms 12 Oct 2020 599th TaserTheFox 🇺🇸 251 354 10ms 4 Apr 2023 600th dzshn 250 355 9ms 25 Nov 2020 First Prev 526–600 of 856 Next Last
