Morse Decoder in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 241st cbondurant 653 273 239ms 6 May 2021 242nd PatrickStephansen 🇿🇦 652 149 11ms 2 Oct 2020 243rd GrayJoKing 🇦🇺 651 225 30ms 13 Mar 2023 244th ReidZ3 🇺🇸 648 275 124ms 3 Dec 2020 245th leon-w 645 138 10ms 12 Jul 2019 245th MeWhenI 🇻🇦 645 138 16ms 31 Jul 2024 245th ovs-code 🇩🇪 645 138 14ms 5 Aug 2024 245th jared-hughes 645 138 14ms 11 Aug 2024 249th adamnielson42 🇺🇸 642 137 2ms 5 Dec 2023 250th user189032 641 278 127ms 29 May 2019 251st lynn 640 242 194ms 17 Aug 2021 252nd ovs-code 🇩🇪 639 134 540ms 5 Aug 2024 253rd jared-hughes 638 208 446ms 30 Aug 2022 254th MeWhenI 🇻🇦 637 144 1,458ms 12 May 2023 255th wh3n3v3r 🇨🇿 635 140 10ms 18 Nov 2024 256th inventshah 635 162 6ms 3 Dec 2022 257th MeWhenI 🇻🇦 634 82 43ms 27 Jan 2023 258th sisyphus-ppcg 🇦🇺 634 135 535ms 17 Jan 2024 259th emplv 🇱🇻 634 164 5ms 3 Oct 2023 260th MarcMush 🇫🇷 633 117 1,374ms 4 Feb 2024 260th antimon2 🇯🇵 633 117 735ms 29 Sep 2025 262nd tdkkdt 🇷🇺 632 216 573ms 21 Nov 2021 263rd GrayJoKing 🇦🇺 630 108 36ms 10 Aug 2023 264th MeWhenI 🇻🇦 630 154 11ms 26 Feb 2025 265th neel11235813 626 142 17ms 26 Jan 2023 266th jared-hughes 626 155 11ms 14 Jan 2023 267th janbehrens 🇩🇪 626 175 3ms 9 Jun 2021 268th jupj 🇫🇮 624 205 1ms 26 Aug 2022 269th dokutan 622 161 5ms 31 Oct 2024 270th emgordon154 622 185 4ms 7 Jun 2025 271st edsrzf 🇳🇿 615 169 4ms 3 Sep 2024 272nd xkacer 🇨🇿 614 158 10ms 25 Jan 2021 273rd yzhs 🇩🇪 613 145 10ms 25 Oct 2020 274th jared-hughes 612 200 1ms 28 Feb 2022 275th neel11235813 611 140 469ms 31 Mar 2024 276th stefangimmillaro 611 170 5ms 6 Feb 2023 277th jakobkordez 🇸🇮 609 146 11ms 31 Oct 2022 277th stefangimmillaro 609 146 15ms 6 Feb 2023 279th edsrzf 🇳🇿 609 201 2ms 17 Apr 2025 280th rucin93 🇵🇱 607 144 184ms 23 Jan 2025 281st Sp3000 🇦🇺 606 145 3ms 10 May 2021 282nd Waffle3z 606 202 2ms 8 Apr 2022 283rd ovs-code 🇩🇪 602 113 34ms 22 Feb 2025 283rd error256 602 113 36ms 28 May 2025 285th MeWhenI 🇻🇦 602 148 1,689ms 15 Sep 2025 286th Irratix 🇳🇱 600 221 2,922ms 11 Jan 2023 287th MeWhenI 🇻🇦 599 209 603ms 27 Jan 2023 288th stefangimmillaro 597 114 36ms 26 Dec 2024 289th snoozingnewt 🇨🇦 594 261 92ms 20 Nov 2025 290th okhoel 🇳🇴 592 144 272ms 30 Sep 2022 291st thisishowmymindworks 🇳🇴 592 164 12ms 8 Jun 2023 292nd Kacarott 🇦🇺 588 201 163ms 24 Sep 2024 293rd MeWhenI 🇻🇦 586 146 548ms 13 Jul 2024 294th bricknellj 585 152 14ms 31 Jul 2024 294th CopperyMarrow15 585 152 16ms 24 Aug 2025 296th ovs-code 🇩🇪 584 89 40ms 12 Nov 2025 297th jacklynnepenick 581 153 11ms 15 Aug 2021 298th Shanethegamer 🇺🇸 581 474 1,497ms 13 Apr 2025 299th jacklynnepenick 578 152 3ms 29 Aug 2021 300th annaproxy 578 154 10ms 18 Jan 2023 301st tayloia 🇬🇧 578 168 10ms 17 May 2023 302nd snoozingnewt 🇨🇦 573 240 122ms 22 Dec 2025 303rd MeWhenI 🇻🇦 572 149 268ms 28 Jan 2023 304th olivermrose 🇺🇸 567 120 37ms 28 Oct 2021 305th MeWhenI 🇻🇦 566 439 1,812ms 7 Nov 2025 306th blaztoma 🇱🇹 563 158 10ms 21 Dec 2025 307th Lv0Sys 🇵🇱 561 173 12ms 21 Dec 2025 308th 5cw 🇺🇸 559 159 15ms 7 Aug 2025 309th MeWhenI 🇻🇦 559 262 35ms 6 Jun 2023 310th KatieLG 🇬🇧 559 442 2ms 22 Apr 2025 311th fajost 556 160 15ms 8 Sep 2020 312th MeWhenI 🇻🇦 554 202 1,023ms 27 Jan 2023 313th acotis 554 322 219ms 25 days ago 314th ryyyn 🇺🇸 553 161 15ms 17 Dec 2025 315th MeWhenI 🇻🇦 550 189 4ms 28 Jan 2023 316th CaedenHarper 🇨🇦 548 156 525ms 1 Aug 2025 317th C0de5mith 🇺🇸 548 177 10ms 19 Sep 2022 318th NerdyMcNerd42 546 163 10ms 18 Feb 2023 319th helbling 🇨🇭 545 178 16ms 14 Sep 2024 320th error256 544 160 81ms 24 May 2025 First Prev 241–320 of 894 Next Last