Reversi in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 151st MeWhenI 🇻🇦 848 136 98ms 10 Jun 2024 152nd stefangimmillaro 847 221 188ms 25 Aug 2024 153rd SirBogman 🇺🇸 846 86 9 Jun 2024 154th xsot 🇸🇬 846 125 626ms 2 Jun 2024 154th SirBogman 🇺🇸 846 125 575ms 2 Jun 2024 156th error256 845 164 818ms 19 May 2025 157th error256 845 180 1,457ms 2 May 2025 158th JayXon 🇺🇸 844 160 1,277ms 24 days ago 159th kg583 🇺🇸 844 218 54ms 17 Sep 2025 160th edsrzf 🇳🇿 843 106 24ms 22 Jul 2025 161st ovs-code 🇩🇪 843 177 73ms 2 Jun 2024 162nd m-tkach 🇺🇦 843 220 29ms 21 Jul 2024 163rd SirBogman 🇺🇸 841 184 53ms 2 Jun 2024 164th tayloia 🇬🇧 840 135 23ms 18 Jun 2024 164th trinityy-7 840 135 23ms 25 Aug 2025 166th Shanethegamer 🇺🇸 839 198 229ms 11 Oct 2024 167th SirBogman 🇺🇸 838 68 13ms 1 Jun 2024 168th sean-niemann 🇺🇸 836 140 131ms 20 Jul 2024 169th Shanethegamer 🇺🇸 835 229 294ms 13 Jun 2024 170th nwellnhof 🇩🇪 833 162 27 days ago 171st Shanethegamer 🇺🇸 831 226 34ms 12 Jun 2024 172nd error256 831 286 30 May 2025 173rd IanUtley 830 167 1,284ms 10 Apr 2025 174th MostParsingVex 829 180 70ms 23 Dec 2024 175th acotis 829 226 8 Jun 2025 176th error256 828 97 51ms 1 Jun 2024 177th MeWhenI 🇻🇦 828 187 61ms 1 Aug 2024 178th kg583 🇺🇸 827 142 11ms 15 Sep 2025 179th SirBogman 🇺🇸 826 98 4 Jun 2024 180th mousetail 🇳🇱 825 189 50ms 18 Jun 2024 181st CLOStrophobic 🇮🇹 824 185 420ms 13 Feb 2025 182nd MeWhenI 🇻🇦 821 272 1,667ms 22 Jun 2024 183rd ovs-code 🇩🇪 820 137 17 Apr 2025 184th MeWhenI 🇻🇦 819 143 126ms 7 Jun 2024 185th MeWhenI 🇻🇦 816 139 12ms 1 Jun 2024 186th GolfingSuccess 🇬🇷 815 134 22ms 1 Jun 2024 186th error256 815 134 22ms 1 Jun 2024 188th GrayJoKing 🇦🇺 814 138 14 Aug 2024 188th error256 814 138 6 May 2025 190th edsrzf 🇳🇿 813 144 170ms 9 Sep 2025 191st error256 812 130 16 Apr 2025 192nd ovs-code 🇩🇪 811 171 1,044ms 26 Nov 2024 193rd emgordon154 811 293 30 May 2025 194th SirBogman 🇺🇸 811 348 186ms 9 Jul 2024 195th error256 810 111 16 Apr 2025 196th error256 810 236 531ms 15 Apr 2025 197th ovs-code 🇩🇪 808 155 2ms 2 Jun 2024 198th AlephSquirrel 806 254 6ms 5 Aug 2024 199th duckyluuk 🇳🇱 803 136 45ms 1 Jun 2024 200th GrayJoKing 🇦🇺 802 135 1,224ms 17 Jun 2024 201st UnderKoen 🇳🇱 802 453 2,804ms 20 Jan 2025 202nd MeWhenI 🇻🇦 800 239 267ms 25 Aug 2024 203rd MostParsingVex 798 185 8 Sep 2024 204th canissimia 🇦🇶 798 295 6ms 22 Jun 2024 205th Natanaelel 🇸🇪 797 205 191ms 25 Jun 2025 206th Yewzir 🇧🇪 797 301 1,801ms 9 Jun 2024 207th Shanethegamer 🇺🇸 796 113 9 Oct 2024 208th duckyluuk 🇳🇱 795 133 611ms 1 Jun 2024 209th lynn 789 207 143ms 24 Jun 2024 210th error256 785 132 2 May 2025 211th bizy-coder 785 139 30ms 1 Jun 2024 211th cros107 🇦🇺 785 139 31ms 19 Jun 2024 213th jared-hughes 785 190 427ms 12 Jun 2024 214th emgordon154 783 150 14ms 10 Dec 2024 215th error256 783 174 386ms 2 May 2025 215th namelessiw 783 174 339ms 116 mins ago 217th annaproxy 783 177 27ms 28 Aug 2025 218th MostParsingVex 782 160 2ms 23 Jul 2024 219th davecame 780 140 23ms 16 Jul 2024 220th emgordon154 780 144 25 Nov 2024 221st MeWhenI 🇻🇦 778 109 26 Aug 2024 222nd stefangimmillaro 776 174 568ms 16 days ago 223rd jared-hughes 773 162 2ms 12 Jun 2024 224th error256 772 90 5ms 4 Sep 2024 225th bizy-coder 772 137 543ms 1 Jun 2024 First Prev 151–225 of 417 Next Last