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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 376th Yewzir 🇧🇪 405 410 227ms 9 Jun 2024 377th LHLaurini 🇧🇷 399 314 2ms 29 Jun 2024 378th dokutan 395 268 643ms 3 Jun 2024 379th CaedenHarper 🇨🇦 394 343 406ms 7 Oct 2025 380th dokutan 385 292 141ms 15 Jun 2025 381st dokutan 380 273 3,535ms 23 Oct 2024 382nd dokutan 379 237 336ms 14 Jun 2024 383rd CaedenHarper 🇨🇦 369 237 1,280ms 30 Sep 2025 384th gigaprofisi 🇺🇸 369 308 14ms 25 days ago 385th stefangabos 🇷🇴 363 313 13ms 10 days ago 386th msbranicky 360 288 2,545ms 9 Jan 2025 387th zakariamouhid 360 316 11ms 8 Jun 2024 388th IISResetMe 359 232 1,437ms 14 Jun 2024 389th alemelis 357 306 20ms 17 Oct 2024 390th madex 🇩🇪 355 320 15ms 6 Jun 2024 391st tomh1012 355 384 399ms 14 days ago 392nd yuchuehw 352 310 23ms 4 Jun 2024 392nd Flekay 🇩🇪 352 310 19ms 11 Jul 2025 394th klixel 🇨🇦 348 314 270ms 14 Jul 2025 395th MichalMarsalek 🇨🇿 346 352 358ms 7 Jun 2024 396th KatieLG 🇬🇧 343 398 408ms 14 Oct 2024 397th dokutan 342 256 802ms 30 Aug 2025 398th BREMAUCY 🇫🇷 339 322 21ms 24 Aug 2025 399th Yewzir 🇧🇪 335 326 15ms 10 Jun 2024 400th mbittner20 334 327 14ms 28 Apr 2025 401st markusgraube 332 329 17ms 1 Jul 2024 402nd Yax42 🇫🇷 328 245 141ms 7 Oct 2025 403rd knutae 🇳🇴 319 343 20ms 23 Jun 2024 403rd jameswmccarty 319 343 26ms 11 Oct 2024 405th Babafaba 317 345 19ms 22 days ago 406th Babafaba 314 337 931ms 27 days ago 407th msbranicky 306 294 230ms 18 Sep 2024 408th madex 🇩🇪 288 379 12ms 3 Jun 2024 409th adamnielson42 🇺🇸 288 380 16ms 16 Oct 2024 410th Yax42 🇫🇷 278 421 162ms 7 Oct 2025 411th FlorianCassayre 🇫🇷 276 396 51ms 1 Jun 2024 412th croc54 271 403 15ms 3 Feb 2025 413th jtaxen 257 425 71ms 3 Jun 2024 414th FortuiteMan 🇫🇷 248 441 19ms 6 Oct 2024 415th mrmena 🇦🇺 232 636 49ms 9 Jun 2024 416th iczelia 🇩🇪 219 499 12ms 23 Oct 2025 417th Upload-and-View 🇺🇦 215 508 21ms 21 Aug 2025 418th scpchicken 🇵🇼 207 529 12ms 1 Jun 2024 419th hiichbindermax 200 545 14ms 4 Jun 2024 419th KatieLG-Transpiler 🇬🇧 200 545 13ms 16 Aug 2024 421st two-bad 🇬🇧 178 638 14ms 10 Aug 2025 422nd Jacob385 150 903 381ms 22 Jun 2024 423rd Zhenyu-Bo 131 833 12ms 1 Aug 2025 424th aksyristos 128 852 13ms 5 Oct 2025 425th Msleizak 🇫🇷 115 725 280ms 23 Jul 2025 426th KatieLG 🇬🇧 99 3,659 59ms 9 Jun 2024 427th error256 0 121 1,851ms 4 May 2025 428th ovs-code 🇩🇪 0 126 14ms 20 Jun 2025 429th edsrzf 🇳🇿 0 170 238ms 29 May 2025 430th aiwana 0 238 42ms 22 Oct 2025 431st dokutan 0 467 66ms 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