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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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 401st madex 🇩🇪 355 320 15ms 6 Jun 2024 402nd tomh1012 355 384 506ms 12 Nov 2025 403rd yuchuehw 353 310 20ms 4 Jun 2024 403rd Flekay 🇩🇪 353 310 21ms 11 Jul 2025 405th klixel 🇨🇦 348 314 281ms 14 Jul 2025 406th dokutan 346 279 22ms 27 Dec 2025 407th MichalMarsalek 🇨🇿 346 352 372ms 7 Jun 2024 408th KatieLG 🇬🇧 343 398 463ms 14 Oct 2024 409th BREMAUCY 🇫🇷 340 322 22ms 24 Aug 2025 410th dokutan 338 256 1,218ms 30 Aug 2025 411th Yewzir 🇧🇪 336 326 14ms 10 Jun 2024 412th mbittner20 335 327 14ms 28 Apr 2025 413th markusgraube 333 329 16ms 1 Jul 2024 414th Yax42 🇫🇷 328 245 129ms 7 Oct 2025 415th FortuiteMan 🇫🇷 328 334 22ms 27 Nov 2025 416th knutae 🇳🇴 319 343 25ms 23 Jun 2024 416th jameswmccarty 319 343 29ms 11 Oct 2024 418th JOrE20 🇺🇸 318 358 12ms 24 Dec 2025 419th Babafaba 317 345 20ms 5 Nov 2025 420th Babafaba 314 337 878ms 30 Oct 2025 421st msbranicky 306 294 224ms 18 Sep 2024 422nd anter69 🇭🇺 291 376 20ms 17 days ago 423rd adamnielson42 🇺🇸 288 380 15ms 16 Oct 2024 424th Yax42 🇫🇷 278 421 183ms 7 Oct 2025 425th FlorianCassayre 🇫🇷 276 396 52ms 1 Jun 2024 426th croc54 271 403 13ms 3 Feb 2025 427th HumanoidCPU 262 417 21ms 25 days ago 428th HumanoidCPU 261 405 869ms 25 days ago 429th jtaxen 257 425 52ms 3 Jun 2024 430th mrmena 🇦🇺 232 636 47ms 9 Jun 2024 431st iczelia 🇩🇪 219 499 14ms 23 Oct 2025 432nd muser-logiccpu 🇺🇦 215 508 16ms 21 Aug 2025 433rd scpchicken 🇵🇼 207 529 12ms 1 Jun 2024 434th hiichbindermax 201 545 15ms 4 Jun 2024 434th KatieLG-Transpiler 🇬🇧 201 545 13ms 16 Aug 2024 436th two-bad 🇬🇧 178 638 14ms 10 Aug 2025 437th Jacob385 150 903 448ms 22 Jun 2024 438th Zhenyu-Bo 131 833 12ms 1 Aug 2025 439th aksyristos 128 852 13ms 5 Oct 2025 440th Msleizak 🇫🇷 115 725 319ms 23 Jul 2025 441st KatieLG 🇬🇧 99 3,659 97ms 9 Jun 2024 442nd AidanWalter 59 1,869 14ms 28 Nov 2025 443rd error256 0 121 1,731ms 4 May 2025 444th ovs-code 🇩🇪 0 126 14ms 20 Jun 2025 445th edsrzf 🇳🇿 0 170 237ms 29 May 2025 446th aiwana 0 238 39ms 22 Oct 2025 447th dokutan 0 467 62ms 28 Jun 2025 First Prev 401–447 of 447