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 451st ericlangedijk 🇸🇮 382 360 375ms 19 Mar 2022 452nd CarsonChr 🇺🇸 380 362 417ms 21 Jan 2025 453rd MeWhenI 🇻🇦 379 354 957ms 30 Oct 2023 454th ImpressedByRocks 377 237 16ms 20 Sep 2022 455th benwilliamgraham 376 238 11ms 10 Nov 2021 456th wh3n3v3r 🇨🇿 376 260 10ms 11 Nov 2024 457th MeWhenI 🇻🇦 376 738 1,021ms 9 Feb 2025 458th alexsave 375 261 9ms 7 Nov 2024 459th masinag 🇮🇹 375 345 2ms 5 Nov 2024 460th dokutan 374 742 1,028ms 12 Jan 2025 461st ArmaanAS 371 241 15ms 25 Mar 2021 462nd dokutan 371 370 3ms 29 Apr 2025 463rd yuchuehw 368 243 10ms 4 Jan 2024 463rd CLOStrophobic 🇮🇹 368 243 10ms 26 Jan 2025 463rd Flekay 🇩🇪 368 243 14ms 11 Jul 2025 466th bstrautin 368 249 207ms 5 Jun 2020 467th guliyevemil1 🇦🇿 368 515 322ms 16 Apr 2020 468th frederikb 367 354 349ms 9 Sep 2020 469th fuchen 366 421 1,279ms 11 May 2020 470th yuchuehw 363 358 346ms 4 Jan 2024 471st dtbao20 🇻🇳 362 247 14ms 1 Oct 2024 471st InigoK 🇺🇸 362 247 10ms 6 Sep 2025 473rd scpchicken 🇵🇼 361 248 16ms 7 Apr 2022 474th skps2010 359 249 17ms 28 Dec 2018 474th Indivicivet 359 249 14ms 18 Oct 2021 476th Phanabani 🇺🇸 355 252 10ms 22 Oct 2020 477th proton 🇩🇪 354 195 44ms 9 Jun 2020 477th jaredcrystal 🇺🇸 354 195 36ms 14 Dec 2020 479th marcin7Cd 354 412 62ms 11 Mar 2021 480th msbranicky 354 535 297ms 31 Aug 2023 481st cellobix 352 254 23ms 15 Aug 2019 482nd scpchicken 🇵🇼 351 189 164ms 7 Apr 2022 483rd Ted-Barrett 🇦🇺 351 255 9ms 1 Oct 2021 484th daedals 348 257 25ms 21 Jun 2019 484th rollershutter 348 257 11ms 9 Sep 2022 486th Natanaelel 🇸🇪 347 301 7ms 23 Jun 2023 487th janbehrens 🇩🇪 344 180 3ms 6 May 2021 488th schachmattmatt 344 260 11ms 20 Aug 2021 489th dokutan 344 472 2ms 28 Mar 2025 490th rvdnieuwendijk 🇳🇱 342 268 258ms 29 Jun 2020 491st williamlake 340 527 137ms 17 Sep 2021 492nd mossiegoat 339 264 11ms 23 Jul 2025 493rd yokasuretsu 338 265 11ms 26 Apr 2018 493rd petar-donchev 338 265 10ms 8 Sep 2019 493rd JunkIce 338 265 25ms 24 Nov 2024 496th krcs 🇵🇱 336 266 10ms 30 Jun 2023 497th dokutan 336 434 10ms 4 Feb 2025 498th Laksen 🇩🇰 336 562 28ms 8 Jul 2021 499th Dazza314 🇬🇧 335 267 15ms 4 Nov 2020 500th msbranicky 335 484 2ms 14 Oct 2023 501st myfatemi04 334 268 10ms 20 Sep 2018 501st Evan-Robotics 334 268 13ms 28 Jan 2022 503rd Bonjour27891 🇻🇳 333 269 18ms 20 Mar 2022 504th tomh1012 331 415 401ms 17 Sep 2025 505th glesnick 329 272 10ms 15 Jul 2022 506th vibdev 328 298 11ms 26 Aug 2021 507th wuminws 328 318 2,673ms 20 Feb 2025 508th alexhuntley 328 444 8ms 11 Apr 2021 509th JunkIce 327 265 459ms 3 Dec 2024 510th bkshrader 326 274 20ms 27 Dec 2018 511th geofft 325 275 10ms 13 Dec 2020 511th mbittner20 325 275 10ms 21 Jan 2024 513th KatieLG 🇬🇧 324 424 416ms 24 Oct 2022 514th naveenarun 321 279 10ms 6 Jun 2019 515th NanduBC 319 280 11ms 22 Mar 2021 516th postie77 319 431 387ms 2 May 2023 517th galloj 🇨🇿 317 330 3ms 17 Jan 2023 518th bbakersmith 315 361 17ms 31 Jul 2021 519th yokasuretsu 314 220 40ms 26 Apr 2018 520th amollberg 🇸🇪 314 285 17ms 15 Jan 2022 521st IISResetMe 314 292 270ms 24 Feb 2024 522nd mrxz 🇳🇱 314 312 10ms 23 Jun 2024 523rd luuumine 🇫🇷 313 286 10ms 11 days ago 524th Anonymousellama21 313 334 3ms 16 May 2022 525th dylanarmstrong 312 314 10ms 15 Sep 2024 First Prev 451–525 of 852 Next Last