The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
ROT13 in all languages 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 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 Numbrix 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 Numbrix 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 Bytes Time Submitted 240th GolfingSuccess 🇬🇷 888 62 349ms 24 Jan 2025 242nd nwellnhof 🇩🇪 888 80 379ms 27 Jul 2025 243rd JayXon 🇺🇸 887 53 310ms 10 Jan 2025 244th ovs-code 🇩🇪 885 42 4ms 5 Jan 2025 244th TheLastZombie 885 42 7ms 10 Jan 2025 244th blaztoma 🇱🇹 885 42 4ms 21 Sep 2025 247th JayXon 🇺🇸 885 95 3ms 9 Jan 2025 247th edsrzf 🇳🇿 885 95 2ms 9 Jan 2025 249th nwellnhof 🇩🇪 885 123 281ms 28 Jul 2025 249th JayXon 🇺🇸 885 123 282ms 28 Jul 2025 251st nwellnhof 🇩🇪 884 95 447ms 25 Sep 2025 252nd pardouin 🇫🇷 883 57 1,090ms 28 Jul 2025 253rd vlpx 🇫🇮 881 99 10ms 6 Jan 2025 254th SirBogman 🇺🇸 880 24 2ms 9 Jan 2025 255th kurkale6ka 880 74 11ms 11 days ago 256th MeWhenI 🇻🇦 879 85 4ms 4 Jan 2025 256th sisyphus-ppcg 🇦🇺 879 85 4ms 5 Jan 2025 256th retrohun 879 85 5ms 5 Jan 2025 256th saito-ta 🇯🇵 879 85 5ms 12 Jan 2025 256th nwellnhof 🇩🇪 879 85 4ms 23 Jul 2025 256th jared-hughes 879 85 184ms 22 Sep 2025 262nd DialFrost 🇸🇬 878 48 652ms 31 Aug 2025 262nd snoozingnewt 🇨🇦 878 48 637ms 17 days ago 264th ovs-code 🇩🇪 875 118 134ms 5 Jan 2025 264th lynn 875 118 136ms 6 Jan 2025 264th xnor-gate 875 118 128ms 6 Jan 2025 264th Sakisan 🇧🇪 875 118 129ms 6 Jun 2025 264th edsrzf 🇳🇿 875 118 152ms 6 days ago 269th JayXon 🇺🇸 872 74 131ms 28 Jul 2025 270th KasperKivimaeki 🇫🇮 872 96 394ms 4 Jan 2025 271st ovs-code 🇩🇪 872 100 9ms 7 Jan 2025 272nd stefangimmillaro 871 38 38ms 31 Dec 2024 272nd Natanaelel 🇸🇪 871 38 36ms 3 Jan 2025 272nd edsrzf 🇳🇿 871 38 35ms 5 Jan 2025 272nd Shanethegamer 🇺🇸 871 38 36ms 5 Jan 2025 272nd JayXon 🇺🇸 871 38 35ms 6 Jan 2025 272nd anter69 🇭🇺 871 38 37ms 6 Jan 2025 272nd SirBogman 🇺🇸 871 38 33ms 15 Jan 2025 272nd blaztoma 🇱🇹 871 38 36ms 21 Sep 2025 272nd snoozingnewt 🇨🇦 871 38 36ms 15 Oct 2025 281st ovs-code 🇩🇪 871 52 72ms 3 Jan 2025 282nd ovs-code 🇩🇪 870 54 297ms 15 Jul 2025 283rd lynn 869 117 160ms 14 Nov 2025 284th andrewl64 868 75 10ms 25 Sep 2025 285th ovs-code 🇩🇪 868 82 450ms 5 Jan 2025 286th IISResetMe 864 57 214ms 7 Apr 2025 287th ovs-code 🇩🇪 863 97 416ms 5 Jan 2025 288th MeWhenI 🇻🇦 863 101 9ms 26 Feb 2025 289th JayXon 🇺🇸 862 98 364ms 9 Jan 2025 290th error256 862 100 26ms 10 May 2025 291st ovs-code 🇩🇪 860 64 9ms 5 Jan 2025 292nd sean-niemann 🇺🇸 859 35 3ms 31 Dec 2024 292nd DialFrost 🇸🇬 859 35 2ms 31 Dec 2024 292nd error256 859 35 2ms 13 Jan 2025 292nd Natanaelel 🇸🇪 859 35 2ms 14 Jan 2025 292nd nwellnhof 🇩🇪 859 35 2ms 14 Jan 2025 292nd SirBogman 🇺🇸 859 35 2ms 15 Jan 2025 292nd MeWhenI 🇻🇦 859 35 2ms 14 Feb 2025 292nd fuzzylojik-golf 🇺🇸 859 35 3ms 16 May 2025 292nd xsot 🇸🇬 859 35 3ms 27 Jun 2025 292nd iczelia 🇩🇪 859 35 3ms 21 Sep 2025 302nd edsrzf 🇳🇿 858 75 100ms 26 days ago 303rd evan18c 857 76 10ms 17 Apr 2025 304th error256 857 77 66ms 9 Jan 2025 305th rucin93 🇵🇱 857 89 162ms 20 days ago 305th sean-niemann 🇺🇸 857 89 152ms 19 days ago 307th lyphyser 855 42 48ms 3 Jan 2025 308th antimon2 🇯🇵 855 55 263ms 6 Jan 2025 309th stefangimmillaro 855 102 10ms 2 Jan 2025 309th GolfingSuccess 🇬🇷 855 102 10ms 3 Jan 2025 309th kirjavascript 855 102 9ms 14 Feb 2025 309th junkondo-jp 855 102 9ms 30 May 2025 309th pardouin 🇫🇷 855 102 9ms 28 Jul 2025 314th edsrzf 🇳🇿 854 83 33ms 27 days ago 314th sean-niemann 🇺🇸 854 83 3ms 11 days ago 316th edsrzf 🇳🇿 854 99 376ms 9 Jul 2025 317th JayXon 🇺🇸 853 73 293ms 24 May 2025 318th m-tkach 🇺🇦 853 118 26ms 9 Jan 2025 319th JayXon 🇺🇸 851 107 162ms 9 Jan 2025 320th janAkali 🇷🇺 850 20 13ms 5 May 2025 First Prev 241–320 of 974 Next Last