Tutorial 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 664th LostSyntax21 🇬🇧 0 59 19 Jul 2025 664th vgamula 🇺🇦 0 59 5 Aug 2025 678th emgordon154 0 60 28 Nov 2024 678th xsot 🇸🇬 0 60 4 Dec 2024 678th Shanethegamer 🇺🇸 0 60 10 Jan 2025 678th Natanaelel 🇸🇪 0 60 26 Jan 2025 678th emgordon154 0 60 4 Feb 2025 678th klixel 🇨🇦 0 60 8 Apr 2025 678th swcnt 0 60 9 Apr 2025 678th rucin93 🇵🇱 0 60 17 Apr 2025 678th dokutan 0 60 6 Jun 2025 678th emgordon154 0 60 5 Aug 2025 688th Shanethegamer 🇺🇸 0 61 20 Nov 2024 688th stefangimmillaro 0 61 21 Nov 2024 688th error256 0 61 21 Nov 2024 688th error256 0 61 21 Nov 2024 688th ovs-code 🇩🇪 0 61 25 Nov 2024 688th GolfingSuccess 🇬🇷 0 61 25 Nov 2024 688th sean-niemann 🇺🇸 0 61 26 Nov 2024 688th duckyluuk 🇳🇱 0 61 26 Nov 2024 688th DialFrost 🇸🇬 0 61 26 Nov 2024 688th rucin93 🇵🇱 0 61 26 Nov 2024 688th emgordon154 0 61 28 Nov 2024 688th stefangimmillaro 0 61 3 Dec 2024 688th lukegustafson 🇺🇸 0 61 7 Dec 2024 688th MeWhenI 🇻🇦 0 61 11 Dec 2024 688th emplv 🇱🇻 0 61 11 Dec 2024 688th voytxt 🇨🇿 0 61 22 Dec 2024 688th Salutations45 0 61 29 Dec 2024 688th duckyluuk 🇳🇱 0 61 12 Jan 2025 688th CLOStrophobic 🇮🇹 0 61 22 Jan 2025 688th voytxt 🇨🇿 0 61 25 Jan 2025 688th m-tkach 🇺🇦 0 61 30 Jan 2025 688th Natanaelel 🇸🇪 0 61 2 Feb 2025 688th CaedenHarper 🇨🇦 0 61 3 Feb 2025 688th BalaM314 0 61 4 Feb 2025 688th kg583 🇺🇸 0 61 5 Feb 2025 688th GolfingSuccess 🇬🇷 0 61 5 Feb 2025 688th HumanoidCPU 0 61 7 Feb 2025 688th targrik 0 61 8 Feb 2025 688th MeWhenI 🇻🇦 0 61 14 Feb 2025 688th targrik 0 61 15 Feb 2025 688th attila8192 0 61 1 Mar 2025 688th targrik 0 61 14 Mar 2025 688th janlelis 0 61 31 Mar 2025 688th b-illy 🇬🇧 0 61 16 Apr 2025 688th janbehrens 🇩🇪 0 61 17 Apr 2025 688th pardouin 🇫🇷 0 61 17 Apr 2025 688th Shanethegamer 🇺🇸 0 61 17 Apr 2025 688th edsrzf 🇳🇿 0 61 17 Apr 2025 688th HumanoidCPU 0 61 18 Apr 2025 688th HumanoidCPU 0 61 18 Apr 2025 688th AlephSquirrel 0 61 20 Apr 2025 688th Sam-Vrgl 0 61 13 May 2025 688th c-py 0 61 14 May 2025 688th albanian-laundromat 0 61 6 Jun 2025 688th Andrey-Plotnikov 0 61 19 Jun 2025 688th a6166231 🇨🇳 0 61 20 Jun 2025 688th elana-teal 0 61 20 Jun 2025 688th BREMAUCY 🇫🇷 0 61 1 Jul 2025 688th RYSF13 🇨🇳 0 61 5 Jul 2025 688th p01 0 61 28 Jul 2025 688th KrausRaus 🇺🇸 0 61 29 Jul 2025 688th dmrichwa 🇺🇸 0 61 29 Jul 2025 688th dokutan 0 61 5 Aug 2025 688th gitchaell 🇧🇴 0 61 6 Aug 2025 688th lukepolak 0 61 7 Aug 2025 688th adrianbgo 0 61 7 Aug 2025 688th helbling 🇨🇭 0 61 28 Aug 2025 688th snoozingnewt 🇺🇸 0 61 15 Sep 2025 688th snoozingnewt 🇺🇸 0 61 15 Sep 2025 747th emgordon154 0 62 27 Nov 2024 747th CLOStrophobic 🇮🇹 0 62 4 Feb 2025 747th 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