The Calendar hole will go live in approximately 5 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 241st nwellnhof 🇩🇪 888 80 379ms 27 Jul 2025 242nd JayXon 🇺🇸 887 53 310ms 10 Jan 2025 243rd ovs-code 🇩🇪 885 42 4ms 5 Jan 2025 243rd TheLastZombie 885 42 7ms 10 Jan 2025 243rd blaztoma 🇱🇹 885 42 4ms 21 Sep 2025 246th JayXon 🇺🇸 885 95 3ms 9 Jan 2025 246th edsrzf 🇳🇿 885 95 2ms 9 Jan 2025 248th nwellnhof 🇩🇪 885 123 281ms 28 Jul 2025 248th JayXon 🇺🇸 885 123 282ms 28 Jul 2025 250th nwellnhof 🇩🇪 884 95 447ms 25 Sep 2025 251st pardouin 🇫🇷 883 57 1,090ms 28 Jul 2025 252nd vlpx 🇫🇮 881 99 10ms 6 Jan 2025 253rd SirBogman 🇺🇸 880 24 2ms 9 Jan 2025 254th kurkale6ka 880 74 11ms 10 days ago 255th MeWhenI 🇻🇦 879 85 4ms 4 Jan 2025 255th sisyphus-ppcg 🇦🇺 879 85 4ms 5 Jan 2025 255th retrohun 879 85 5ms 5 Jan 2025 255th saito-ta 🇯🇵 879 85 5ms 12 Jan 2025 255th nwellnhof 🇩🇪 879 85 4ms 23 Jul 2025 255th jared-hughes 879 85 184ms 22 Sep 2025 261st DialFrost 🇸🇬 878 48 652ms 31 Aug 2025 261st snoozingnewt 🇨🇦 878 48 637ms 15 days ago 263rd ovs-code 🇩🇪 875 118 134ms 5 Jan 2025 263rd lynn 875 118 136ms 6 Jan 2025 263rd xnor-gate 875 118 128ms 6 Jan 2025 263rd Sakisan 🇧🇪 875 118 129ms 6 Jun 2025 263rd edsrzf 🇳🇿 875 118 152ms 5 days ago 268th JayXon 🇺🇸 872 74 131ms 28 Jul 2025 269th KasperKivimaeki 🇫🇮 872 96 394ms 4 Jan 2025 270th ovs-code 🇩🇪 872 100 9ms 7 Jan 2025 271st stefangimmillaro 871 38 38ms 31 Dec 2024 271st Natanaelel 🇸🇪 871 38 36ms 3 Jan 2025 271st edsrzf 🇳🇿 871 38 35ms 5 Jan 2025 271st Shanethegamer 🇺🇸 871 38 36ms 5 Jan 2025 271st JayXon 🇺🇸 871 38 35ms 6 Jan 2025 271st anter69 🇭🇺 871 38 37ms 6 Jan 2025 271st SirBogman 🇺🇸 871 38 33ms 15 Jan 2025 271st blaztoma 🇱🇹 871 38 36ms 21 Sep 2025 271st snoozingnewt 🇨🇦 871 38 36ms 15 Oct 2025 280th ovs-code 🇩🇪 871 52 72ms 3 Jan 2025 281st ovs-code 🇩🇪 870 54 297ms 15 Jul 2025 282nd lynn 869 117 160ms 14 Nov 2025 283rd andrewl64 868 75 10ms 25 Sep 2025 284th ovs-code 🇩🇪 868 82 450ms 5 Jan 2025 285th IISResetMe 864 57 214ms 7 Apr 2025 286th ovs-code 🇩🇪 863 97 416ms 5 Jan 2025 287th MeWhenI 🇻🇦 863 101 9ms 26 Feb 2025 288th JayXon 🇺🇸 862 98 364ms 9 Jan 2025 289th error256 862 100 26ms 10 May 2025 290th ovs-code 🇩🇪 860 64 9ms 5 Jan 2025 291st sean-niemann 🇺🇸 859 35 3ms 31 Dec 2024 291st DialFrost 🇸🇬 859 35 2ms 31 Dec 2024 291st error256 859 35 2ms 13 Jan 2025 291st Natanaelel 🇸🇪 859 35 2ms 14 Jan 2025 291st nwellnhof 🇩🇪 859 35 2ms 14 Jan 2025 291st SirBogman 🇺🇸 859 35 2ms 15 Jan 2025 291st MeWhenI 🇻🇦 859 35 2ms 14 Feb 2025 291st fuzzylojik-golf 🇺🇸 859 35 3ms 16 May 2025 291st xsot 🇸🇬 859 35 3ms 27 Jun 2025 291st iczelia 🇩🇪 859 35 3ms 21 Sep 2025 301st edsrzf 🇳🇿 858 75 100ms 25 days ago 302nd evan18c 857 76 10ms 17 Apr 2025 303rd error256 857 77 66ms 9 Jan 2025 304th rucin93 🇵🇱 857 89 162ms 18 days ago 304th sean-niemann 🇺🇸 857 89 152ms 18 days ago 306th lyphyser 855 42 48ms 3 Jan 2025 307th antimon2 🇯🇵 855 55 263ms 6 Jan 2025 308th stefangimmillaro 855 102 10ms 2 Jan 2025 308th GolfingSuccess 🇬🇷 855 102 10ms 3 Jan 2025 308th kirjavascript 855 102 9ms 14 Feb 2025 308th junkondo-jp 855 102 9ms 30 May 2025 308th pardouin 🇫🇷 855 102 9ms 28 Jul 2025 313th edsrzf 🇳🇿 854 83 33ms 26 days ago 313th sean-niemann 🇺🇸 854 83 3ms 10 days ago 315th edsrzf 🇳🇿 854 99 376ms 9 Jul 2025 316th JayXon 🇺🇸 853 73 293ms 24 May 2025 317th m-tkach 🇺🇦 853 118 26ms 9 Jan 2025 318th JayXon 🇺🇸 851 107 162ms 9 Jan 2025 319th janAkali 🇷🇺 850 20 13ms 5 May 2025 319th snoozingnewt 🇨🇦 850 20 14ms 21 days ago First Prev 241–320 of 974 Next Last