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 601st varhammer 🇷🇺 250 583 10ms 5 Mar 2022 601st MeWhenI 🇻🇦 250 583 4ms 16 Apr 2023 603rd CaedenHarper 🇨🇦 249 762 394ms 10 days ago 604th Psirving 248 360 11ms 2 Aug 2020 604th qwjhvbxi 248 360 11ms 12 Feb 2024 606th Agazoth 248 370 216ms 12 Jun 2020 607th TheAristos 247 362 10ms 30 Oct 2019 608th mintypython 246 397 10ms 19 Oct 2018 609th dokutan 244 283 35ms 21 Apr 2025 610th MeWhenI 🇻🇦 244 837 5ms 27 Jul 2023 611th febiw 241 371 9ms 22 Mar 2020 612th SirFireball3521 240 276 137ms 1 Mar 2023 613th LorenzoTa 239 259 3ms 27 Apr 2019 614th zakariamouhid 239 409 10ms 2 Aug 2023 615th ereztaiar 🇮🇱 239 410 11ms 11 Sep 2021 616th TheEric0802 🇩🇪 239 575 4ms 22 Sep 2023 617th JRaspass 🇬🇧 237 262 3ms 5 Sep 2021 618th Lv0Sys 🇵🇱 236 379 17ms 10 Jun 2025 619th dokutan 236 446 4ms 20 Apr 2025 620th dokutan 236 581 2ms 24 Dec 2024 621st 71c 235 381 10ms 29 Apr 2018 622nd JoeBigToe 235 390 266ms 5 Jun 2020 623rd wrhm 234 382 11ms 15 Dec 2020 624th FortuiteMan 🇫🇷 234 383 10ms 10 Sep 2023 625th msbranicky 233 384 10ms 3 Jul 2023 626th sergeyz7 🇬🇧 233 394 209ms 15 Nov 2020 627th The-Wolfson 233 667 688ms 1 Nov 2024 628th meenie 232 298 36ms 21 Jan 2023 629th madex 🇩🇪 232 386 10ms 12 May 2024 630th dokutan 232 451 3ms 9 Dec 2024 631st lowlighter 230 426 10ms 1 Nov 2020 632nd nephila-nacrea 🇬🇧 227 273 3ms 21 Mar 2018 633rd MeWhenI 🇻🇦 227 461 3ms 12 May 2022 634th dokutan 227 834 285ms 4 Feb 2025 635th n1LS 226 306 44ms 2 Oct 2019 636th msbranicky 226 384 878ms 17 Jan 2024 637th lahell 226 405 260ms 2 Jul 2020 638th KatieLG 🇬🇧 226 689 152ms 31 May 2021 639th KevinMarquette 🇺🇸 225 408 225ms 7 Jun 2020 640th labster 224 277 3ms 25 Feb 2018 641st biinari 224 309 39ms 25 Mar 2018 642nd GWStuart 224 399 11ms 27 Jan 2023 643rd mazzegi 223 850 280ms 16 Apr 2020 644th nlc 222 311 37ms 12 Apr 2018 645th codewrite 🇬🇧 222 403 10ms 12 Jul 2025 646th geezyx 221 859 261ms 16 Apr 2020 647th KatieLG 🇬🇧 220 708 656ms 29 May 2021 648th KatieLG 🇬🇧 220 862 288ms 29 May 2021 649th ThatAlo 219 408 9ms 12 Jun 2023 650th stordev 218 410 9ms 26 Feb 2021 650th michelebastione 🇮🇹 218 410 10ms 21 Mar 2022 652nd brochmann 🇸🇪 216 414 10ms 9 Feb 2022 653rd vaughad 216 722 111ms 21 Jan 2020 654th dokutan 216 781 56ms 1 Jul 2025 655th Florian-Mt 215 417 11ms 28 Nov 2023 656th Waffle3z 214 323 34ms 22 Jan 2021 657th Stockoh 🇫🇷 214 418 10ms 17 Oct 2024 658th MaxElf999 213 419 10ms 24 May 2022 659th joonaspu 212 422 14ms 14 Jun 2023 660th alphafalfa 212 647 2ms 24 Oct 2024 661st markbyrne 210 425 10ms 26 Oct 2020 661st haydenridd 210 425 13ms 26 Oct 2020 663rd LSWdigital 210 756 16ms 17 Nov 2021 664th KatieLG 🇬🇧 209 860 257ms 20 May 2021 665th ethandhunt 205 437 10ms 21 Jul 2021 666th Ashikpaul 🇮🇳 205 478 10ms 30 Jul 2022 667th dokutan 205 556 21ms 4 Feb 2025 668th martinnorling 🇸🇪 204 438 10ms 20 Jun 2022 669th MeWhenI 🇻🇦 204 790 51ms 7 Sep 2024 670th CutSandstone 201 444 10ms 5 Jul 2024 671st cafehaine 🇫🇷 200 621 2ms 30 Jul 2018 672nd jjstreet 200 649 358ms 30 Apr 2020 673rd adoxography 199 348 54ms 1 Jun 2018 673rd madex 🇩🇪 199 348 50ms 13 May 2024 675th two-bad 🇬🇧 199 492 10ms 25 Feb 2024 First Prev 601–675 of 851 Next Last