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 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 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 451st TheDrawingCoder-Gamer 380 322 2ms 6 Jul 2025 452nd ericlangedijk 🇸🇮 379 360 375ms 19 Mar 2022 453rd CarsonChr 🇺🇸 376 362 417ms 21 Jan 2025 454th ImpressedByRocks 375 237 14ms 20 Sep 2022 455th MeWhenI 🇻🇦 375 354 957ms 30 Oct 2023 456th benwilliamgraham 374 238 12ms 10 Nov 2021 457th wh3n3v3r 🇨🇿 373 260 10ms 11 Nov 2024 458th MeWhenI 🇻🇦 373 738 1,836ms 9 Feb 2025 459th alexsave 372 261 9ms 7 Nov 2024 460th masinag 🇮🇹 371 345 2ms 5 Nov 2024 461st dokutan 371 742 2,021ms 12 Jan 2025 462nd ArmaanAS 369 241 11ms 25 Mar 2021 463rd yuchuehw 366 243 10ms 4 Jan 2024 463rd CLOStrophobic 🇮🇹 366 243 9ms 26 Jan 2025 463rd Flekay 🇩🇪 366 243 9ms 11 Jul 2025 466th dokutan 366 370 3ms 29 Apr 2025 467th guliyevemil1 🇦🇿 365 515 322ms 16 Apr 2020 468th frederikb 364 354 349ms 9 Sep 2020 469th bstrautin 363 249 207ms 5 Jun 2020 470th fuchen 362 421 1,420ms 11 May 2020 471st dtbao20 🇻🇳 360 247 10ms 1 Oct 2024 471st InigoK 🇺🇸 360 247 9ms 6 Sep 2025 473rd yuchuehw 360 358 346ms 4 Jan 2024 474th Yewzir 🇧🇪 360 691 1,630ms 4 hours ago 475th scpchicken 🇵🇼 359 248 20ms 7 Apr 2022 476th skps2010 357 249 20ms 28 Dec 2018 476th Indivicivet 357 249 9ms 18 Oct 2021 478th Phanabani 🇺🇸 353 252 10ms 22 Oct 2020 479th msbranicky 352 535 297ms 31 Aug 2023 480th cellobix 350 254 17ms 15 Aug 2019 481st proton 🇩🇪 349 195 44ms 9 Jun 2020 481st jaredcrystal 🇺🇸 349 195 36ms 14 Dec 2020 483rd Ted-Barrett 🇦🇺 349 255 10ms 1 Oct 2021 484th marcin7Cd 349 412 62ms 11 Mar 2021 485th daedals 346 257 16ms 21 Jun 2019 485th rollershutter 346 257 11ms 9 Sep 2022 487th scpchicken 🇵🇼 343 189 164ms 7 Apr 2022 488th schachmattmatt 342 260 10ms 20 Aug 2021 489th Natanaelel 🇸🇪 342 301 7ms 23 Jun 2023 490th dokutan 340 472 3ms 28 Mar 2025 491st janbehrens 🇩🇪 337 180 3ms 6 May 2021 492nd mossiegoat 337 264 10ms 23 Jul 2025 493rd rvdnieuwendijk 🇳🇱 337 268 258ms 29 Jun 2020 494th williamlake 337 527 137ms 17 Sep 2021 495th yokasuretsu 336 265 14ms 26 Apr 2018 495th petar-donchev 336 265 10ms 8 Sep 2019 495th JunkIce 336 265 16ms 24 Nov 2024 498th krcs 🇵🇱 334 266 10ms 30 Jun 2023 499th Dazza314 🇬🇧 333 267 10ms 4 Nov 2020 500th Laksen 🇩🇰 333 562 28ms 8 Jul 2021 501st myfatemi04 332 268 10ms 20 Sep 2018 501st Evan-Robotics 332 268 9ms 28 Jan 2022 503rd dokutan 332 434 10ms 4 Feb 2025 504th Bonjour27891 🇻🇳 331 269 13ms 20 Mar 2022 505th msbranicky 331 484 2ms 14 Oct 2023 506th tomh1012 328 415 401ms 17 Sep 2025 507th glesnick 327 272 9ms 15 Jul 2022 508th vibdev 326 298 11ms 26 Aug 2021 509th bkshrader 325 274 17ms 27 Dec 2018 510th alexhuntley 324 444 8ms 11 Apr 2021 511th JunkIce 323 265 459ms 3 Dec 2024 512th geofft 323 275 9ms 13 Dec 2020 512th mbittner20 323 275 11ms 21 Jan 2024 514th DrakeSeteraO 322 276 10ms 4 days ago 515th wuminws 322 318 2,673ms 20 Feb 2025 516th KatieLG 🇬🇧 321 424 416ms 24 Oct 2022 517th naveenarun 319 279 10ms 6 Jun 2019 518th NanduBC 318 280 11ms 22 Mar 2021 519th Emutis 🇱🇹 316 281 10ms 12 hours ago 520th postie77 316 431 387ms 2 May 2023 521st amollberg 🇸🇪 312 285 16ms 15 Jan 2022 522nd galloj 🇨🇿 312 330 3ms 17 Jan 2023 523rd luuumine 🇫🇷 311 286 10ms 16 days ago 524th mrxz 🇳🇱 311 312 10ms 23 Jun 2024 525th IISResetMe 310 292 270ms 24 Feb 2024 First Prev 451–525 of 855 Next Last