Reversi 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 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 Dragon Curve 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 Dragon Curve 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 81st Natanaelel 🇸🇪 895 90 59ms 22 Jun 2025 81st edsrzf 🇳🇿 895 90 44ms 13 Feb 2026 83rd Yax42 🇫🇷 894 153 482ms 11 Sep 2025 84th scpchicken 🇵🇼 893 78 6ms 3 Jun 2024 84th blaztoma 🇱🇹 893 78 7ms 12 Jan 2026 86th error256 893 110 48ms 2 May 2025 87th edsrzf 🇳🇿 893 137 493ms 23 Jul 2025 88th ovs-code 🇩🇪 891 123 22ms 1 Jun 2024 88th Seek64 🇩🇪 891 123 19ms 23 May 2025 88th emgordon154 891 123 20ms 7 Jun 2025 88th ryyyn 🇺🇸 891 123 21ms 5 Nov 2025 92nd m-tkach 🇺🇦 890 119 485ms 4 Jun 2024 93rd sean-niemann 🇺🇸 890 132 139ms 3 Nov 2025 94th albanian-laundromat 🇺🇸 890 151 45ms 17 Mar 2026 95th edsrzf 🇳🇿 888 130 101ms 11 Jul 2025 96th error256 887 122 294ms 19 Jun 2024 97th ovs-code 🇩🇪 887 131 101ms 10 Jun 2024 98th sean-niemann 🇺🇸 887 157 796ms 30 Jan 2025 99th error256 886 133 16ms 2 May 2025 100th JohandeRuiter 🇳🇱 886 169 444ms 25 Aug 2024 101st error256 885 144 109ms 12 days ago 102nd Steffan153 🇫🇮 883 120 525ms 24 Aug 2024 103rd JayXon 🇺🇸 883 124 23ms 1 Jun 2024 103rd xsot 🇸🇬 883 124 19ms 2 Jun 2024 103rd pardouin 🇫🇷 883 124 19ms 3 Jun 2024 103rd GrayJoKing 🇦🇺 883 124 20ms 11 Jun 2024 103rd sean-niemann 🇺🇸 883 124 19ms 4 Feb 2025 103rd kg583 🇺🇸 883 124 21ms 25 Aug 2025 109th ovs-code 🇩🇪 883 129 16ms 1 Jun 2024 109th m-tkach 🇺🇦 883 129 11ms 2 Jun 2024 111th MeWhenI 🇻🇦 883 138 56ms 7 Mar 2026 112th albanian-laundromat 🇺🇸 883 217 325ms 16 Mar 2026 113th GrayJoKing 🇦🇺 882 110 51ms 16 Jun 2024 114th Steffan153 🇫🇮 882 158 734ms 27 Jul 2024 115th MeWhenI 🇻🇦 881 79 6ms 1 Jun 2024 116th saito-ta 🇯🇵 881 140 4,035ms 5 Jun 2024 117th error256 881 162 120ms 16 Jun 2024 118th SirBogman 🇺🇸 879 95 236ms 1 Jun 2024 119th edsrzf 🇳🇿 878 170 819ms 2 Feb 2026 119th kg583 🇺🇸 878 170 4,406ms 21 days ago 121st emgordon154 877 130 14ms 25 Nov 2024 122nd error256 877 159 21ms 17 Apr 2025 123rd edsrzf 🇳🇿 876 125 19ms 9 Dec 2025 124th duckyluuk 🇳🇱 876 139 82ms 55 mins ago 125th SirBogman 🇺🇸 875 97 1,635ms 2 Jun 2024 126th ovs-code 🇩🇪 875 103 295ms 1 Jun 2024 127th ovs-code 🇩🇪 875 121 613ms 2 Jul 2024 127th emgordon154 875 121 500ms 7 Jun 2025 129th GrayJoKing 🇦🇺 874 141 53ms 12 Jun 2024 130th MeWhenI 🇻🇦 873 171 164ms 27 Mar 2026 131st rucin93 🇵🇱 872 129 143ms 31 Oct 2024 131st sean-niemann 🇺🇸 872 129 132ms 31 Oct 2024 131st Steffan153 🇫🇮 872 129 137ms 28 Feb 2026 134th snoozingnewt 🇨🇦 872 146 183ms 12 days ago 135th albanian-laundromat 🇺🇸 872 188 833ms 8 Mar 2026 136th stefangimmillaro 871 220 378ms 25 Aug 2024 137th MeWhenI 🇻🇦 870 96 232ms 10 Jun 2024 138th xsot 🇸🇬 870 113 91ms 2 May 2025 139th 5cw 🇺🇸 869 126 20ms 1 Jun 2024 139th SirBogman 🇺🇸 869 126 26ms 2 Jun 2024 139th stefangimmillaro 869 126 20ms 30 Jan 2025 139th bricknellj 869 126 23ms 6 Feb 2025 143rd stefangimmillaro 869 181 41ms 23 Aug 2024 144th mousetail 🇳🇱 869 218 174ms 23 Sep 2025 145th MeWhenI 🇻🇦 868 122 423ms 1 Jun 2024 145th pardouin 🇫🇷 868 122 464ms 25 Jun 2024 145th sean-niemann 🇺🇸 868 122 560ms 4 Feb 2025 145th kg583 🇺🇸 868 122 557ms 26 Mar 2026 149th edsrzf 🇳🇿 867 147 110ms 12 days ago 150th albanian-laundromat 🇺🇸 867 169 42ms 6 Mar 2026 151st xsot 🇸🇬 866 112 9ms 16 Jun 2024 152nd MeWhenI 🇻🇦 866 140 65ms 18 days ago 153rd dmrichwa 🇺🇸 863 132 15ms 12 Aug 2024 154th JayXon 🇺🇸 861 123 498ms 1 Jan 2026 155th error256 861 134 90ms 14 Jun 2024 156th albanian-laundromat 🇺🇸 861 211 28ms 17 Mar 2026 157th ovs-code 🇩🇪 860 190 207ms 2 Jun 2024 158th edsrzf 🇳🇿 858 197 30ms 6 days ago 159th GrayJoKing 🇦🇺 857 133 13ms 18 Jun 2024 160th sean-niemann 🇺🇸 857 158 719ms 24 Sep 2025 First Prev 81–160 of 520 Next Last