ROT13 in C 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st nwellnhof 🇩🇪 1,000 71 5ms 28 Jul 2025 2nd KasperKivimaeki 🇫🇮 986 72 5ms 3 Jan 2025 2nd JayXon 🇺🇸 986 72 4ms 3 May 2025 4th ovs-code 🇩🇪 899 79 5ms 5 Jan 2025 5th saito-ta 🇯🇵 888 80 4ms 13 Jan 2025 6th m-tkach 🇺🇦 877 81 2ms 7 Jan 2025 7th JohandeRuiter 🇳🇱 855 83 4ms 21 Jan 2025 7th error256 855 83 5ms 25 Aug 2025 9th GolfingSuccess 🇬🇷 845 84 2ms 3 Jan 2025 10th inventshah 835 85 2ms 26 Mar 2025 10th TeodorDyakov 🇧🇬 835 85 2ms 27 Sep 2025 12th Mukundan314 826 86 2ms 28 Apr 2025 13th rucin93 🇵🇱 798 89 2ms 2 Jan 2025 13th Alex-x90 🇺🇸 798 89 4ms 4 Jan 2025 15th qwertyuiop3 🇷🇺 780 91 1ms 15 May 2025 16th MostParsingVex 772 92 4ms 7 Jan 2025 17th DialFrost 🇸🇬 755 94 4ms 3 Jan 2025 18th j2e2 🇪🇸 747 95 2ms 19 Feb 2025 18th iczelia 🇩🇪 747 95 4ms 24 Sep 2025 20th Lv0Sys 🇵🇱 740 96 4ms 15 Jun 2025 21st SirBogman 🇺🇸 724 98 4ms 16 Jan 2025 22nd MeWhenI 🇻🇦 703 101 4ms 6 Jan 2025 23rd luuumine 🇫🇷 689 103 4ms 9 hours ago 24th szymex73 🇵🇱 664 107 2ms 17 Jan 2025 24th Efgeen 🇸🇪 664 107 4ms 21 days ago 26th firewoods1978 657 108 1ms 9 Jan 2025 26th Maashau 657 108 5ms 8 days ago 28th Herbert00709 🇵🇱 645 110 5ms 5 Jan 2025 29th c0d3-4-F00d 🇩🇪 640 111 2ms 9 Jan 2025 29th wansacis 🇩🇪 640 111 2ms 30 Jan 2025 29th prestosilver 🇺🇸 640 111 2ms 20 days ago 32nd madex 🇩🇪 634 112 2ms 4 Jan 2025 32nd Mandrzejy 🇵🇱 634 112 1ms 5 Jan 2025 34th gastropner 623 114 2ms 5 Jul 2025 34th jupj 🇫🇮 623 114 2ms 27 Aug 2025 36th CaedenHarper 🇨🇦 612 116 4ms 16 days ago 37th blaztoma 🇱🇹 607 117 4ms 21 Sep 2025 38th bac0id 597 119 2ms 10 Jan 2025 39th Yewzir 🇧🇪 587 121 1ms 6 Jan 2025 40th not-a-pokemon 577 123 5ms 18 Apr 2025 41st ikskuh 573 124 1ms 27 Jun 2025 42nd iilegacyyii 550 129 2ms 16 Jan 2025 43rd Mabeloid 🇳🇴 542 131 4ms 21 Oct 2025 44th HumanoidCPU 514 138 2ms 25 May 2025 45th dokutan 511 139 5ms 25 days ago 46th emgordon154 504 141 5ms 5 Jan 2025 46th snoozingnewt 🇨🇦 504 141 4ms 2 Nov 2025 48th balloffur 497 143 5ms 22 hours ago 49th mhgockel 480 148 4ms 21 Jun 2025 50th shaneliu-zf 🇹🇼 372 191 2ms 16 Apr 2025 51st zt14427 318 223 5ms 18 Jan 2025 1–51 of 51