ROT13 in C 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 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 Bytes Time Submitted 1st nwellnhof 🇩🇪 1,000 72 4ms 28 Jul 2025 2nd KasperKivimaeki 🇫🇮 986 73 5ms 3 Jan 2025 2nd JayXon 🇺🇸 986 73 4ms 3 May 2025 4th Steffan153 🇫🇮 923 78 2ms 8 days ago 5th ovs-code 🇩🇪 911 79 4ms 5 Jan 2025 6th saito-ta 🇯🇵 900 80 4ms 13 Jan 2025 6th GolfingSuccess 🇬🇷 900 80 2ms 1 Mar 2026 8th m-tkach 🇺🇦 889 81 2ms 7 Jan 2025 8th rhdqor213 889 81 2ms 9 Dec 2025 10th JohandeRuiter 🇳🇱 867 83 4ms 21 Jan 2025 10th error256 867 83 4ms 25 Aug 2025 12th inventshah 847 85 2ms 26 Mar 2025 12th TeodorDyakov 🇧🇬 847 85 2ms 27 Sep 2025 14th Mukundan314 837 86 2ms 28 Apr 2025 15th rucin93 🇵🇱 809 89 2ms 2 Jan 2025 15th Alex-x90 🇺🇸 809 89 4ms 4 Jan 2025 17th qwertyuiop3 🇷🇺 791 91 1ms 15 May 2025 18th MostParsingVex 783 92 4ms 7 Jan 2025 18th Lv0Sys 🇵🇱 783 92 4ms 10 Dec 2025 20th DialFrost 🇸🇬 766 94 4ms 3 Jan 2025 21st j2e2 🇪🇸 758 95 1ms 19 Feb 2025 21st iczelia 🇩🇪 758 95 4ms 24 Sep 2025 23rd SirBogman 🇺🇸 735 98 4ms 16 Jan 2025 24th MeWhenI 🇻🇦 713 101 4ms 6 Jan 2025 25th luuumine 🇫🇷 699 103 4ms 8 Dec 2025 26th szymex73 🇵🇱 673 107 2ms 17 Jan 2025 26th Efgeen 🇸🇪 673 107 4ms 17 Nov 2025 28th firewoods1978 667 108 1ms 9 Jan 2025 28th Maashau 667 108 5ms 29 Nov 2025 30th Herbert00709 🇵🇱 655 110 5ms 5 Jan 2025 31st c0d3-4-F00d 🇩🇪 649 111 2ms 9 Jan 2025 31st wansacis 🇩🇪 649 111 2ms 30 Jan 2025 31st prestosilver 🇺🇸 649 111 2ms 18 Nov 2025 34th madex 🇩🇪 643 112 2ms 4 Jan 2025 34th Mandrzejy 🇵🇱 643 112 1ms 5 Jan 2025 36th matricronia 637 113 2ms 1 Feb 2026 37th gastropner 632 114 2ms 5 Jul 2025 37th jupj 🇫🇮 632 114 2ms 27 Aug 2025 39th CaedenHarper 🇨🇦 621 116 4ms 21 Nov 2025 39th jgbaldwinbrown 621 116 5ms 2 Feb 2026 41st blaztoma 🇱🇹 615 117 4ms 21 Sep 2025 41st warmCabin 615 117 5ms 31 Dec 2025 43rd bac0id 605 119 2ms 10 Jan 2025 44th Yewzir 🇧🇪 595 121 1ms 6 Jan 2025 45th not-a-pokemon 585 123 4ms 18 Apr 2025 46th ikskuh 581 124 1ms 27 Jun 2025 47th iilegacyyii 558 129 2ms 16 Jan 2025 48th Mabeloid 🇳🇴 550 131 4ms 21 Oct 2025 49th HumanoidCPU 522 138 2ms 25 May 2025 50th dokutan 518 139 5ms 13 Nov 2025 51st emgordon154 514 140 5ms 20 Dec 2025 52nd snoozingnewt 🇨🇦 511 141 4ms 2 Nov 2025 53rd balloffur 503 143 5ms 7 Dec 2025 54th mhgockel 486 148 4ms 21 Jun 2025 55th isaiah0311 🇺🇸 474 152 5ms 1 Feb 2026 55th jusaka 474 152 5ms 8 hours ago 57th shaneliu-zf 🇹🇼 377 191 2ms 16 Apr 2025 58th zt14427 323 223 5ms 18 Jan 2025 1–58 of 58