Tutorial 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 645th dokutan 0 63 28 Apr 2025 645th Jigglypuffed 0 63 19 Jul 2025 645th penous 0 63 2 Aug 2025 645th YellowDudeIsMe 0 63 14 Aug 2025 645th albanian-laundromat 0 63 22 days ago 681st Shanethegamer 🇺🇸 0 64 20 Nov 2024 681st error256 0 64 21 Nov 2024 681st error256 0 64 21 Nov 2024 681st emgordon154 0 64 26 Nov 2024 681st Liniarc 0 64 26 Nov 2024 681st MeWhenI 🇻🇦 0 64 12 Dec 2024 681st Chinay-Domitrix 🇺🇸 0 64 18 Apr 2025 688th Shanethegamer 🇺🇸 0 65 20 Nov 2024 688th stefangimmillaro 0 65 20 Nov 2024 688th kg583 🇺🇸 0 65 21 Nov 2024 688th khvdm 0 65 21 Nov 2024 688th edsrzf 🇳🇿 0 65 21 Nov 2024 688th hallvabo 🇳🇴 0 65 24 Nov 2024 688th ovs-code 🇩🇪 0 65 25 Nov 2024 688th GolfingSuccess 🇬🇷 0 65 25 Nov 2024 688th AlephSquirrel 0 65 25 Nov 2024 688th AlephSquirrel 0 65 25 Nov 2024 688th pardouin 🇫🇷 0 65 25 Nov 2024 688th btnlq 0 65 26 Nov 2024 688th CaedenHarper 🇨🇦 0 65 26 Nov 2024 688th emgordon154 0 65 26 Nov 2024 688th inventshah 0 65 26 Nov 2024 688th sean-niemann 🇺🇸 0 65 26 Nov 2024 688th stefangimmillaro 0 65 26 Nov 2024 688th duckyluuk 🇳🇱 0 65 26 Nov 2024 688th m-tkach 🇺🇦 0 65 26 Nov 2024 688th ovs-code 🇩🇪 0 65 26 Nov 2024 688th Alex-x90 🇺🇸 0 65 28 Nov 2024 688th lifthrasiir 🇰🇷 0 65 30 Nov 2024 688th zacjl 0 65 1 Dec 2024 688th zacjl 0 65 1 Dec 2024 688th sisyphus-ppcg 🇦🇺 0 65 2 Dec 2024 688th JunkIce 0 65 3 Dec 2024 688th SirBogman 🇺🇸 0 65 3 Dec 2024 688th xsot 🇸🇬 0 65 4 Dec 2024 688th ndren 0 65 5 Dec 2024 688th CornerMercury 🇬🇧 0 65 5 Dec 2024 688th lukegustafson 🇺🇸 0 65 7 Dec 2024 688th Europe2048 0 65 7 Dec 2024 688th neel11235813 0 65 9 Dec 2024 688th Seek64 🇩🇪 0 65 10 Dec 2024 688th MeWhenI 🇻🇦 0 65 11 Dec 2024 688th antimon2 🇯🇵 0 65 16 Dec 2024 688th error256 0 65 16 Dec 2024 688th edsrzf 🇳🇿 0 65 18 Dec 2024 688th bizy-coder 0 65 28 Dec 2024 688th Bulmenisaurus 0 65 1 Jan 2025 688th m-tkach 🇺🇦 0 65 3 Jan 2025 688th b-illy 🇬🇧 0 65 4 Jan 2025 688th emgordon154 0 65 11 Jan 2025 688th CLOStrophobic 🇮🇹 0 65 22 Jan 2025 688th prplz 🇦🇺 0 65 23 Jan 2025 688th kg583 🇺🇸 0 65 23 Jan 2025 688th CLOStrophobic 🇮🇹 0 65 23 Jan 2025 688th sean-niemann 🇺🇸 0 65 23 Jan 2025 688th mathisfun271 0 65 25 Jan 2025 688th aliberro39109 0 65 25 Jan 2025 688th Natanaelel 🇸🇪 0 65 26 Jan 2025 688th Shanethegamer 🇺🇸 0 65 30 Jan 2025 688th firegene 🇮🇪 0 65 30 Jan 2025 688th Lydxn 🇨🇦 0 65 31 Jan 2025 688th commandblockguy 🇺🇸 0 65 2 Feb 2025 688th GolfingSuccess 🇬🇷 0 65 3 Feb 2025 688th bricknellj 0 65 5 Feb 2025 688th qpwoeirut 0 65 7 Feb 2025 688th xyangst 0 65 14 Feb 2025 688th emgordon154 0 65 17 Feb 2025 688th GolfingSuccess 🇬🇷 0 65 6 Mar 2025 688th Jacob385 0 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