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 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 151st Kacarott 🇦🇺 852 127 269ms 4 Jun 2024 152nd edsrzf 🇳🇿 852 164 114ms 12 days ago 153rd kg583 🇺🇸 850 197 980ms 1 Nov 2025 154th error256 848 100 1,291ms 15 Apr 2025 155th MeWhenI 🇻🇦 848 136 120ms 10 Jun 2024 156th xsot 🇸🇬 847 125 549ms 2 Jun 2024 156th SirBogman 🇺🇸 847 125 504ms 2 Jun 2024 158th stefangimmillaro 847 221 285ms 25 Aug 2024 159th SirBogman 🇺🇸 846 86 453ms 9 Jun 2024 160th JayXon 🇺🇸 845 160 669ms 28 Sep 2025 161st error256 845 164 818ms 19 May 2025 162nd error256 845 180 1,337ms 2 May 2025 163rd edsrzf 🇳🇿 843 106 19ms 22 Jul 2025 164th ovs-code 🇩🇪 843 177 60ms 2 Jun 2024 165th m-tkach 🇺🇦 843 220 27ms 21 Jul 2024 166th tayloia 🇬🇧 842 135 22ms 18 Jun 2024 166th trinityy-7 842 135 22ms 25 Aug 2025 168th SirBogman 🇺🇸 841 184 40ms 2 Jun 2024 169th error256 840 286 556ms 30 May 2025 170th Shanethegamer 🇺🇸 839 198 187ms 11 Oct 2024 171st Shanethegamer 🇺🇸 839 229 310ms 13 Jun 2024 172nd SirBogman 🇺🇸 838 68 13ms 1 Jun 2024 173rd nwellnhof 🇩🇪 835 162 711ms 25 Sep 2025 174th Shanethegamer 🇺🇸 831 226 31ms 12 Jun 2024 175th IanUtley 830 167 763ms 10 Apr 2025 176th MostParsingVex 829 180 59ms 23 Dec 2024 177th acotis 829 226 375ms 8 Jun 2025 178th error256 828 97 36ms 1 Jun 2024 179th MeWhenI 🇻🇦 828 187 42ms 1 Aug 2024 180th kg583 🇺🇸 827 142 9ms 15 Sep 2025 181st SirBogman 🇺🇸 826 98 37ms 4 Jun 2024 182nd mousetail 🇳🇱 825 189 48ms 18 Jun 2024 183rd MeWhenI 🇻🇦 825 250 1,779ms 7 Nov 2025 184th CLOStrophobic 🇮🇹 824 185 397ms 13 Feb 2025 185th MeWhenI 🇻🇦 821 272 1,206ms 22 Jun 2024 186th ovs-code 🇩🇪 820 137 130ms 17 Apr 2025 187th emgordon154 820 293 553ms 30 May 2025 188th MeWhenI 🇻🇦 819 143 129ms 7 Jun 2024 189th MeWhenI 🇻🇦 818 139 13ms 1 Jun 2024 190th GolfingSuccess 🇬🇷 816 134 20ms 1 Jun 2024 190th error256 816 134 20ms 1 Jun 2024 192nd GrayJoKing 🇦🇺 814 138 142ms 14 Aug 2024 192nd error256 814 138 132ms 6 May 2025 194th error256 814 236 433ms 15 Apr 2025 195th edsrzf 🇳🇿 813 144 125ms 9 Sep 2025 196th ovs-code 🇩🇪 811 171 730ms 26 Nov 2024 197th SirBogman 🇺🇸 811 348 189ms 9 Jul 2024 198th error256 810 111 386ms 16 Apr 2025 199th ovs-code 🇩🇪 808 155 2ms 2 Jun 2024 200th error256 806 130 5ms 16 Apr 2025 201st AlephSquirrel 806 254 5ms 5 Aug 2024 202nd duckyluuk 🇳🇱 804 136 38ms 1 Jun 2024 203rd MeWhenI 🇻🇦 803 239 359ms 25 Aug 2024 204th GrayJoKing 🇦🇺 802 135 1,080ms 17 Jun 2024 205th UnderKoen 🇳🇱 802 453 3,244ms 20 Jan 2025 206th MostParsingVex 798 185 40ms 8 Sep 2024 207th canissimia 🇦🇶 798 295 6ms 22 Jun 2024 208th Natanaelel 🇸🇪 797 205 155ms 25 Jun 2025 209th Shanethegamer 🇺🇸 796 113 534ms 9 Oct 2024 210th duckyluuk 🇳🇱 796 133 601ms 1 Jun 2024 211th albanian-laundromat 795 110 1,573ms 24 days ago 212th MeWhenI 🇻🇦 795 170 628ms 7 Nov 2025 213th lynn 789 207 190ms 24 Jun 2024 214th bizy-coder 786 139 30ms 1 Jun 2024 214th cros107 🇦🇺 786 139 28ms 19 Jun 2024 216th error256 785 132 3,682ms 2 May 2025 217th jared-hughes 785 190 393ms 12 Jun 2024 218th error256 784 174 372ms 2 May 2025 218th namelessiw 784 174 346ms 22 Oct 2025 220th emgordon154 783 150 11ms 10 Dec 2024 221st annaproxy 783 177 21ms 28 Aug 2025 222nd MostParsingVex 782 160 2ms 23 Jul 2024 223rd davecame 781 140 20ms 16 Jul 2024 224th emgordon154 780 144 137ms 25 Nov 2024 225th MeWhenI 🇻🇦 778 109 1,211ms 26 Aug 2024 First Prev 151–225 of 436 Next Last