Tutorial in Rust in chars. 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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 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 Chars Time Submitted 1st error256 0 102 189ms 17 Apr 2025 1st zacjl 0 102 182ms 17 Apr 2025 1st emgordon154 0 102 187ms 19 Apr 2025 1st edsrzf 🇳🇿 0 102 182ms 7 Jun 2025 1st kumavale 0 102 159ms 12 Sep 2025 1st acotis 0 102 158ms 25 Oct 2025 1st lynn 0 102 177ms 28 Oct 2025 1st GolfingSuccess 🇬🇷 0 102 172ms 14 Feb 2026 9th Shanethegamer 🇺🇸 0 103 180ms 17 Apr 2025 9th DialFrost 🇸🇬 0 103 184ms 17 Apr 2025 9th HumanoidCPU 0 103 170ms 18 Apr 2025 9th CaedenHarper 🇨🇦 0 103 164ms 18 Apr 2025 9th plcc0 0 103 160ms 21 Apr 2025 9th ovs-code 🇩🇪 0 103 162ms 2 May 2025 9th tylerlaprade 0 103 154ms 13 Jun 2025 9th Natanaelel 🇸🇪 0 103 166ms 13 Jun 2025 9th pardouin 🇫🇷 0 103 164ms 13 Jun 2025 9th Jigglypuffed 0 103 175ms 19 Jul 2025 9th snoozingnewt 🇨🇦 0 103 155ms 15 Sep 2025 9th luuumine 🇫🇷 0 103 185ms 10 Nov 2025 9th elgan65536 🇺🇸 0 103 189ms 7 Feb 2026 9th ndren 0 103 149ms 26 days ago 9th vang1ong7ang 0 103 163ms 105 mins ago 24th stefangimmillaro 0 104 172ms 21 Nov 2024 24th MeWhenI 🇻🇦 0 104 167ms 17 Apr 2025 24th cefqrn 0 104 177ms 27 Oct 2025 24th agam-samosa 0 104 181ms 26 Dec 2025 28th voytxt 🇨🇿 0 105 162ms 25 Jan 2025 28th klixel 🇨🇦 0 105 171ms 9 Jul 2025 28th Multirious 0 105 173ms 15 Dec 2025 31st targrik 0 107 188ms 11 Sep 2025 32nd CosmicRaichu 0 114 182ms 31 Mar 2025 32nd TannerJ07 🇺🇸 0 114 183ms 5 Apr 2025 34th MiceAndDice 0 115 156ms 6 Oct 2025 35th xyangst 0 116 161ms 14 Feb 2025 35th fishin-rod 0 116 175ms 17 Apr 2025 35th pixelated-pup 0 116 156ms 6 Oct 2025 38th liquid-dragons 0 117 185ms 14 Jul 2025 39th pro465 0 119 178ms 13 Feb 2026 40th Languag3 0 122 177ms 6 Mar 2025 41st mohic 🇧🇪 0 124 186ms 14 Jul 2025 42nd swcnt 0 128 171ms 9 Apr 2025 42nd StefanHabel 🇨🇦 0 128 178ms 1 Feb 2026 44th vidanm 🇫🇷 0 130 205ms 31 May 2025 45th gigaprofisi 🇺🇸 0 231 181ms 3 Mar 2025 45th retrohun 0 231 186ms 1 Apr 2025 45th Bpc-CPU 0 231 187ms 12 Jul 2025 45th Vexxter9 🇳🇱 0 231 179ms 21 Aug 2025 45th Babafaba 0 231 153ms 15 Oct 2025 45th Openstreetmapler 0 231 179ms 30 Oct 2025 45th Mefred 0 231 163ms 15 Jan 2026 45th FortuiteMan 🇫🇷 0 231 173ms 3 Feb 2026 1–52 of 52