Hexdump in all languages in bytes. 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 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 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 Bytes Time Submitted 524th FranklinJiaChen 623 214 11ms 5 Aug 2024 527th Xzyaihni 620 322 214ms 16 Oct 2022 528th michelebastione 🇮🇹 619 247 375ms 3 Sep 2025 529th croc54 617 216 11ms 8 Jan 2025 530th violeta-desantis 617 243 3ms 14 Apr 2024 531st janbehrens 🇩🇪 615 222 672ms 10 May 2022 532nd jgbaldwinbrown 615 244 3ms 16 Jun 2022 533rd Argeento 🇵🇱 614 276 11ms 9 Sep 2023 534th KatieLG 🇬🇧 612 277 12ms 19 May 2022 535th SirFireball3521 608 154 181ms 26 Feb 2024 536th snoozingnewt 🇺🇸 608 245 168ms 14 Oct 2023 537th dillon-duncando 606 220 12ms 5 Oct 2022 538th madex 🇩🇪 603 221 12ms 9 Jul 2024 538th abhishekg999 603 221 11ms 21 Sep 2024 538th FortuiteMan 🇫🇷 603 221 12ms 10 Oct 2024 538th LostSyntax21 🇬🇧 603 221 15ms 2 Dec 2024 538th Troon 603 221 14ms 28 Feb 2025 538th Flekay 🇩🇪 603 221 13ms 19 Jun 2025 544th MeWhenI 🇻🇦 601 175 242ms 28 Jan 2023 545th martinnorling 🇸🇪 601 222 12ms 4 May 2022 545th galloj 🇨🇿 601 222 12ms 28 Aug 2022 547th speles 🇺🇦 600 250 2ms 8 Nov 2023 548th Alex-x90 🇺🇸 600 274 2,516ms 23 Jan 2023 549th RYNO8 595 224 14ms 16 Aug 2022 550th abba23 593 225 24ms 31 May 2022 551st mrmena 🇦🇺 593 286 3ms 14 May 2024 552nd m42km 592 202 738ms 3 Feb 2024 553rd za3k 590 226 16ms 16 Oct 2022 554th stefangimmillaro 590 379 49ms 13 Jul 2025 555th MeWhenI 🇻🇦 589 213 6ms 28 May 2023 556th msbranicky 587 227 15ms 12 Jul 2023 557th KatieLG 🇬🇧 587 393 843ms 15 Jan 2023 558th luuumine 🇫🇷 585 228 10ms 11 days ago 559th roupiq 🇵🇱 585 281 378ms 17 Apr 2024 560th MeWhenI 🇻🇦 584 257 4ms 9 May 2023 561st madeforlosers 582 291 11ms 8 Jan 2024 562nd h3ra993huskp 🇯🇵 582 354 373ms 31 Dec 2023 563rd dokutan 581 261 14ms 22 Jun 2024 564th TobyBoyne 🇬🇧 580 230 11ms 1 May 2022 564th Pyroan 580 230 13ms 24 Feb 2025 566th rucin93 🇵🇱 579 259 172ms 31 Oct 2024 567th FlyingPenguin223 579 279 2ms 15 Dec 2024 568th JGDoerrer 579 345 189ms 12 Aug 2022 569th codewrite 🇬🇧 577 231 14ms 13 Jul 2025 570th KatieLG 🇬🇧 575 208 592ms 14 Aug 2025 571st jeff-at-tamer-dot-codes 🇺🇸 575 232 15ms 26 Jul 2024 572nd rifatx 575 266 424ms 26 Jul 2024 573rd msbranicky 573 296 6ms 13 Oct 2023 574th rowboat1 572 233 12ms 14 Jun 2022 575th MeWhenI 🇻🇦 572 278 19ms 10 Jan 2025 576th MeWhenI 🇻🇦 572 298 41ms 4 Sep 2024 577th Re-Adventures 🇮🇳 571 350 188ms 19 Jan 2025 578th MostParsingVex 568 280 39ms 25 Sep 2024 579th CaedenHarper 🇨🇦 568 363 379ms 25 days ago 580th jbjd 567 235 16ms 23 Nov 2024 581st bobbysq 565 236 12ms 6 Jul 2023 581st jtaxen 565 236 11ms 12 Apr 2024 581st HumanoidCPU 565 236 15ms 18 Feb 2025 584th MeWhenI 🇻🇦 564 267 5ms 23 May 2023 585th CedricGebistorf 563 237 10ms 9 May 2022 585th inverseLorentz 🇦🇺 563 237 10ms 19 Oct 2023 587th Andriamanitra 🇫🇮 562 167 48ms 20 Jul 2022 588th janbehrens 🇩🇪 562 223 7ms 2 Jul 2023 589th jhpaques 🇫🇷 560 238 12ms 30 Nov 2022 589th te-chnical 560 238 11ms 12 May 2025 591st fgrosshans 🇫🇷 558 239 12ms 14 Nov 2022 591st Terobero 558 239 14ms 3 Sep 2024 591st wh3n3v3r 🇨🇿 558 239 18ms 18 Nov 2024 594th karhuthebear 556 240 13ms 11 May 2022 595th adamnielson42 🇺🇸 554 334 12ms 6 Dec 2023 596th jared-hughes 553 518 1,782ms 16 Sep 2025 597th Mabeloid 🇳🇴 552 272 3ms 12 days ago 598th tomh1012 552 277 360ms 4 May 2022 599th adamnielson42 🇺🇸 551 242 11ms 25 Apr 2023 599th mrmena 🇦🇺 551 242 11ms 22 Mar 2024 First Prev 526–600 of 797 Next Last