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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 81st error256 893 110 48ms 2 May 2025 82nd scpchicken 🇵🇼 892 78 6ms 3 Jun 2024 82nd blaztoma 🇱🇹 892 78 6ms 12 Jan 2026 84th Yax42 🇫🇷 892 153 431ms 11 Sep 2025 85th edsrzf 🇳🇿 890 119 8ms 9 Sep 2025 85th kg583 🇺🇸 890 119 7ms 1 Feb 2026 87th ovs-code 🇩🇪 890 123 18ms 1 Jun 2024 87th Seek64 🇩🇪 890 123 18ms 23 May 2025 87th emgordon154 890 123 19ms 7 Jun 2025 87th ryyyn 🇺🇸 890 123 19ms 5 Nov 2025 91st m-tkach 🇺🇦 889 119 504ms 4 Jun 2024 92nd edsrzf 🇳🇿 888 137 435ms 23 Jul 2025 93rd error256 887 122 294ms 19 Jun 2024 94th sean-niemann 🇺🇸 887 132 172ms 3 Nov 2025 95th JayXon 🇺🇸 883 124 19ms 1 Jun 2024 95th xsot 🇸🇬 883 124 18ms 2 Jun 2024 95th pardouin 🇫🇷 883 124 18ms 3 Jun 2024 95th GrayJoKing 🇦🇺 883 124 18ms 11 Jun 2024 95th sean-niemann 🇺🇸 883 124 18ms 4 Feb 2025 95th kg583 🇺🇸 883 124 18ms 25 Aug 2025 101st error256 883 133 16ms 2 May 2025 102nd sean-niemann 🇺🇸 883 157 796ms 30 Jan 2025 103rd JohandeRuiter 🇳🇱 883 169 439ms 25 Aug 2024 104th Steffan153 🇫🇮 882 120 555ms 24 Aug 2024 105th ovs-code 🇩🇪 882 129 10ms 1 Jun 2024 105th m-tkach 🇺🇦 882 129 10ms 2 Jun 2024 107th MeWhenI 🇻🇦 881 79 6ms 1 Jun 2024 108th edsrzf 🇳🇿 881 130 105ms 11 Jul 2025 109th ovs-code 🇩🇪 881 131 90ms 10 Jun 2024 110th GrayJoKing 🇦🇺 879 110 51ms 16 Jun 2024 111th Steffan153 🇫🇮 878 158 734ms 27 Jul 2024 112th SirBogman 🇺🇸 877 95 236ms 1 Jun 2024 113th stefangimmillaro 877 220 304ms 25 Aug 2024 114th emgordon154 876 130 11ms 25 Nov 2024 115th MeWhenI 🇻🇦 876 138 55ms 3 hours ago 116th error256 876 162 123ms 16 Jun 2024 117th ovs-code 🇩🇪 875 121 535ms 2 Jul 2024 117th emgordon154 875 121 512ms 7 Jun 2025 119th edsrzf 🇳🇿 875 125 18ms 9 Dec 2025 120th saito-ta 🇯🇵 875 140 4,035ms 5 Jun 2024 121st SirBogman 🇺🇸 874 97 1,497ms 2 Jun 2024 122nd ovs-code 🇩🇪 873 103 293ms 1 Jun 2024 123rd edsrzf 🇳🇿 873 170 745ms 2 Feb 2026 124th error256 872 159 23ms 17 Apr 2025 125th Shanethegamer 🇺🇸 871 176 11ms 14 Oct 2024 126th xsot 🇸🇬 870 113 92ms 2 May 2025 127th rucin93 🇵🇱 870 129 138ms 31 Oct 2024 127th sean-niemann 🇺🇸 870 129 134ms 31 Oct 2024 127th Steffan153 🇫🇮 870 129 136ms 6 days ago 130th 5cw 🇺🇸 869 126 18ms 1 Jun 2024 130th SirBogman 🇺🇸 869 126 18ms 2 Jun 2024 130th stefangimmillaro 869 126 18ms 30 Jan 2025 130th bricknellj 869 126 18ms 6 Feb 2025 134th MeWhenI 🇻🇦 868 96 295ms 10 Jun 2024 135th MeWhenI 🇻🇦 867 122 521ms 1 Jun 2024 135th pardouin 🇫🇷 867 122 514ms 25 Jun 2024 135th sean-niemann 🇺🇸 867 122 560ms 4 Feb 2025 138th albanian-laundromat 867 169 42ms 14 hours ago 139th albanian-laundromat 866 190 267ms 12 hours ago 140th GrayJoKing 🇦🇺 865 141 53ms 12 Jun 2024 141st Shanethegamer 🇺🇸 865 176 139ms 24 May 2025 142nd xsot 🇸🇬 863 112 9ms 16 Jun 2024 143rd dmrichwa 🇺🇸 862 132 11ms 12 Aug 2024 144th kg583 🇺🇸 860 123 509ms 31 Dec 2025 144th JayXon 🇺🇸 860 123 579ms 1 Jan 2026 146th MeWhenI 🇻🇦 860 177 151ms 7 Jun 2024 147th ovs-code 🇩🇪 860 190 207ms 2 Jun 2024 148th mousetail 🇳🇱 859 218 189ms 23 Sep 2025 149th kg583 🇺🇸 858 173 1,389ms 3 Feb 2026 150th GrayJoKing 🇦🇺 856 133 11ms 18 Jun 2024 151st sean-niemann 🇺🇸 856 158 580ms 24 Sep 2025 152nd AlephSquirrel 855 128 30ms 4 Jun 2024 153rd error256 855 134 91ms 14 Jun 2024 154th stefangimmillaro 855 181 41ms 23 Aug 2024 155th albanian-laundromat 854 213 28ms 7 hours ago 156th Kacarott 🇦🇺 852 127 250ms 4 Jun 2024 157th edsrzf 🇳🇿 852 164 144ms 28 Nov 2025 158th MeWhenI 🇻🇦 852 172 42ms 17 Aug 2024 159th kg583 🇺🇸 850 197 960ms 1 Nov 2025 160th error256 848 100 1,462ms 15 Apr 2025 First Prev 81–160 of 459 Next Last