Tutorial in all languages in bytes. 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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 720th CatsAreFluffy 0 60 58ms 13 Dec 2024 720th emgordon154 0 60 4,481ms 4 Feb 2025 720th klixel 🇨🇦 0 60 89ms 8 Apr 2025 720th emgordon154 0 60 2ms 5 Aug 2025 720th emgordon154 0 60 89ms 5 Nov 2025 720th Babafaba 0 60 542ms 24 Nov 2025 720th dokutan 0 60 4ms 9 Feb 2026 728th Shanethegamer 🇺🇸 0 61 21ms 20 Nov 2024 728th stefangimmillaro 0 61 14ms 21 Nov 2024 728th error256 0 61 29ms 21 Nov 2024 728th ovs-code 🇩🇪 0 61 14ms 25 Nov 2024 728th GolfingSuccess 🇬🇷 0 61 12ms 25 Nov 2024 728th sean-niemann 🇺🇸 0 61 15ms 26 Nov 2024 728th duckyluuk 🇳🇱 0 61 14ms 26 Nov 2024 728th DialFrost 🇸🇬 0 61 39ms 26 Nov 2024 728th rucin93 🇵🇱 0 61 18ms 26 Nov 2024 728th emgordon154 0 61 26ms 28 Nov 2024 728th stefangimmillaro 0 61 8ms 3 Dec 2024 728th lukegustafson 🇺🇸 0 61 17ms 7 Dec 2024 728th MeWhenI 🇻🇦 0 61 19ms 11 Dec 2024 728th emplv 🇱🇻 0 61 14ms 11 Dec 2024 728th voytxt 🇨🇿 0 61 12ms 22 Dec 2024 728th Salutations45 0 61 20ms 29 Dec 2024 728th duckyluuk 🇳🇱 0 61 2,010ms 12 Jan 2025 728th CLOStrophobic 🇮🇹 0 61 31ms 22 Jan 2025 728th voytxt 🇨🇿 0 61 5ms 25 Jan 2025 728th m-tkach 🇺🇦 0 61 14ms 30 Jan 2025 728th Natanaelel 🇸🇪 0 61 12ms 2 Feb 2025 728th CaedenHarper 🇨🇦 0 61 20ms 3 Feb 2025 728th BalaM314 0 61 17ms 4 Feb 2025 728th kg583 🇺🇸 0 61 77ms 5 Feb 2025 728th GolfingSuccess 🇬🇷 0 61 69ms 5 Feb 2025 728th targrik 0 61 21ms 8 Feb 2025 728th MeWhenI 🇻🇦 0 61 3ms 14 Feb 2025 728th targrik 0 61 3ms 15 Feb 2025 728th attila8192 0 61 22ms 1 Mar 2025 728th targrik 0 61 2ms 14 Mar 2025 728th janlelis 0 61 21ms 31 Mar 2025 728th b-illy 🇬🇧 0 61 15ms 16 Apr 2025 728th janbehrens 🇩🇪 0 61 14ms 17 Apr 2025 728th pardouin 🇫🇷 0 61 15ms 17 Apr 2025 728th Shanethegamer 🇺🇸 0 61 81ms 17 Apr 2025 728th edsrzf 🇳🇿 0 61 11ms 17 Apr 2025 728th HumanoidCPU 0 61 76ms 18 Apr 2025 728th HumanoidCPU 0 61 13ms 18 Apr 2025 728th AlephSquirrel 0 61 12ms 20 Apr 2025 728th Sam-Vrgl 0 61 15ms 13 May 2025 728th c-py 0 61 20ms 14 May 2025 728th albanian-laundromat 0 61 76ms 6 Jun 2025 728th Andrey-Plotnikov 0 61 14ms 19 Jun 2025 728th a6166231 🇨🇳 0 61 20ms 20 Jun 2025 728th BREMAUCY 🇫🇷 0 61 13ms 1 Jul 2025 728th RYSF13 🇨🇳 0 61 17ms 5 Jul 2025 728th p01 0 61 16ms 28 Jul 2025 728th KrausRaus 🇺🇸 0 61 22ms 29 Jul 2025 728th dmrichwa 🇺🇸 0 61 23ms 29 Jul 2025 728th dokutan 0 61 2ms 5 Aug 2025 728th gitchaell 🇧🇴 0 61 25ms 6 Aug 2025 728th lukepolak 0 61 23ms 7 Aug 2025 728th adrianbgo 0 61 21ms 7 Aug 2025 728th helbling 🇨🇭 0 61 16ms 28 Aug 2025 728th snoozingnewt 🇨🇦 0 61 75ms 15 Sep 2025 728th snoozingnewt 🇨🇦 0 61 36ms 15 Sep 2025 728th larsendaniel 0 61 16ms 7 Nov 2025 728th JOrE20 0 61 15ms 18 Nov 2025 728th GodlyProgrammer1 0 61 23ms 22 Nov 2025 728th Kacarott 🇦🇺 0 61 104ms 25 Nov 2025 728th egertaia 0 61 21ms 9 Jan 2026 728th r58iiz 0 61 18ms 15 Jan 2026 728th ragonscreen 0 61 24ms 16 Jan 2026 728th matzuka 0 61 54ms 29 Jan 2026 728th FoxInTheClouds 0 61 30ms 5 Feb 2026 728th Ultra814 0 61 20ms 19 Feb 2026 728th weliveinhell 🇭🇹 0 61 19ms 6 days ago 795th emgordon154 0 62 2ms 27 Nov 2024 795th CLOStrophobic 🇮🇹 0 62 3ms 4 Feb 2025 795th DialFrost 🇸🇬 0 62 11ms 15 Feb 2025 795th dokutan 0 62 1,721ms 15 Jul 2025 795th 6512345 0 62 161ms 4 Nov 2025 800th kg583 🇺🇸 0 63 49ms 21 Nov 2024 First Prev 721–800 of 3,439 Next 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