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 800th emgordon154 0 63 200ms 28 Nov 2024 800th rucin93 🇵🇱 0 63 182ms 3 Dec 2024 800th lukegustafson 🇺🇸 0 63 192ms 7 Dec 2024 800th sean-niemann 🇺🇸 0 63 206ms 10 Dec 2024 800th MeWhenI 🇻🇦 0 63 7ms 18 Dec 2024 800th zacjl 0 63 52ms 31 Dec 2024 800th Shanethegamer 🇺🇸 0 63 197ms 10 Jan 2025 800th CLOStrophobic 🇮🇹 0 63 58ms 17 Jan 2025 800th edsrzf 🇳🇿 0 63 50ms 9 Feb 2025 800th GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 800th Nemikolh 🇫🇷 0 63 14ms 12 Feb 2025 800th GolfingSuccess 🇬🇷 0 63 204ms 20 Feb 2025 800th varhammer 0 63 6ms 22 Feb 2025 800th voytxt 🇨🇿 0 63 200ms 17 Apr 2025 800th FlyingPenguin223 0 63 51ms 17 Apr 2025 800th DialFrost 🇸🇬 0 63 193ms 17 Apr 2025 800th DialFrost 🇸🇬 0 63 8ms 17 Apr 2025 800th DialFrost 🇸🇬 0 63 49ms 17 Apr 2025 800th pardouin 🇫🇷 0 63 181ms 17 Apr 2025 800th Shanethegamer 🇺🇸 0 63 9ms 17 Apr 2025 800th Shanethegamer 🇺🇸 0 63 54ms 17 Apr 2025 800th GolfingSuccess 🇬🇷 0 63 6ms 17 Apr 2025 800th HumanoidCPU 0 63 193ms 18 Apr 2025 800th HumanoidCPU 0 63 7ms 18 Apr 2025 800th HumanoidCPU 0 63 50ms 18 Apr 2025 800th CaedenHarper 🇨🇦 0 63 191ms 18 Apr 2025 800th CaedenHarper 🇨🇦 0 63 7ms 18 Apr 2025 800th CaedenHarper 🇨🇦 0 63 56ms 18 Apr 2025 800th dokutan 0 63 214ms 28 Apr 2025 800th dokutan 0 63 6ms 28 Apr 2025 800th Jigglypuffed 0 63 50ms 19 Jul 2025 800th penous 0 63 17ms 2 Aug 2025 800th YellowDudeIsMe 0 63 11ms 14 Aug 2025 800th albanian-laundromat 0 63 7ms 22 Aug 2025 800th snoozingnewt 🇨🇦 0 63 187ms 15 Sep 2025 800th snoozingnewt 🇨🇦 0 63 7ms 15 Sep 2025 800th snoozingnewt 🇨🇦 0 63 52ms 15 Sep 2025 800th luuumine 🇫🇷 0 63 2ms 10 Nov 2025 800th JOrE20 0 63 6ms 18 Nov 2025 800th kayaulai 0 63 93ms 23 Nov 2025 841st Shanethegamer 🇺🇸 0 64 142ms 20 Nov 2024 841st error256 0 64 131ms 21 Nov 2024 841st error256 0 64 1,021ms 21 Nov 2024 841st emgordon154 0 64 2ms 26 Nov 2024 841st Liniarc 0 64 15ms 26 Nov 2024 841st MeWhenI 🇻🇦 0 64 49ms 12 Dec 2024 841st luuumine 🇫🇷 0 64 1,021ms 16 Oct 2025 841st GolfingSuccess 🇬🇷 0 64 3ms 12 Nov 2025 841st GolfingSuccess 🇬🇷 0 64 155ms 2 Dec 2025 841st Shanethegamer 🇺🇸 0 64 152ms 4 Dec 2025 841st GolfingSuccess 🇬🇷 0 64 127ms 15 Dec 2025 841st amazingalek 🇳🇴 0 64 13ms 16 Dec 2025 841st error256 0 64 150ms 3 Feb 2026 841st pardouin 🇫🇷 0 64 167ms 4 Feb 2026 855th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 855th stefangimmillaro 0 65 10ms 20 Nov 2024 855th kg583 🇺🇸 0 65 10ms 21 Nov 2024 855th khvdm 0 65 12ms 21 Nov 2024 855th edsrzf 🇳🇿 0 65 10ms 21 Nov 2024 855th hallvabo 🇳🇴 0 65 11ms 24 Nov 2024 855th ovs-code 🇩🇪 0 65 12ms 25 Nov 2024 855th GolfingSuccess 🇬🇷 0 65 12ms 25 Nov 2024 855th AlephSquirrel 0 65 10ms 25 Nov 2024 855th AlephSquirrel 0 65 50ms 25 Nov 2024 855th pardouin 🇫🇷 0 65 11ms 25 Nov 2024 855th btnlq 0 65 10ms 26 Nov 2024 855th CaedenHarper 🇨🇦 0 65 12ms 26 Nov 2024 855th emgordon154 0 65 10ms 26 Nov 2024 855th inventshah 0 65 11ms 26 Nov 2024 855th sean-niemann 🇺🇸 0 65 167ms 26 Nov 2024 855th stefangimmillaro 0 65 158ms 26 Nov 2024 855th duckyluuk 🇳🇱 0 65 10ms 26 Nov 2024 855th m-tkach 🇺🇦 0 65 11ms 26 Nov 2024 855th ovs-code 🇩🇪 0 65 2ms 26 Nov 2024 855th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 855th lifthrasiir 🇰🇷 0 65 10ms 30 Nov 2024 855th zacjl 0 65 11ms 1 Dec 2024 855th zacjl 0 65 6ms 1 Dec 2024 855th sisyphus-ppcg 🇦🇺 0 65 12ms 2 Dec 2024 855th JunkIce 0 65 12ms 3 Dec 2024 First Prev 801–880 of 3,437 Next Last