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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 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 271ms 14 Jun 2024 383rd blaztoma 🇱🇹 371 377 108ms 9 hours ago 384th CaedenHarper 🇨🇦 369 237 1,280ms 30 Sep 2025 385th gigaprofisi 🇺🇸 369 308 10ms 26 days ago 386th stefangabos 🇷🇴 363 313 11ms 11 days ago 387th msbranicky 360 288 2,545ms 9 Jan 2025 388th zakariamouhid 360 316 10ms 8 Jun 2024 389th IISResetMe 359 232 1,437ms 14 Jun 2024 390th alemelis 357 306 20ms 17 Oct 2024 391st madex 🇩🇪 355 320 11ms 6 Jun 2024 392nd tomh1012 355 384 399ms 16 days ago 393rd yuchuehw 352 310 23ms 4 Jun 2024 393rd Flekay 🇩🇪 352 310 19ms 11 Jul 2025 395th klixel 🇨🇦 348 314 270ms 14 Jul 2025 396th MichalMarsalek 🇨🇿 346 352 358ms 7 Jun 2024 397th KatieLG 🇬🇧 343 398 408ms 14 Oct 2024 398th dokutan 342 256 802ms 30 Aug 2025 399th BREMAUCY 🇫🇷 339 322 21ms 24 Aug 2025 400th Yewzir 🇧🇪 335 326 15ms 10 Jun 2024 401st mbittner20 334 327 14ms 28 Apr 2025 402nd markusgraube 332 329 17ms 1 Jul 2024 403rd Yax42 🇫🇷 328 245 141ms 7 Oct 2025 404th FortuiteMan 🇫🇷 327 334 21ms 29 hours ago 405th knutae 🇳🇴 319 343 20ms 23 Jun 2024 405th jameswmccarty 319 343 26ms 11 Oct 2024 407th Babafaba 317 345 19ms 23 days ago 408th Babafaba 314 337 931ms 30 Oct 2025 409th msbranicky 306 294 195ms 18 Sep 2024 410th madex 🇩🇪 288 379 12ms 3 Jun 2024 411th adamnielson42 🇺🇸 288 380 16ms 16 Oct 2024 412th Yax42 🇫🇷 278 421 154ms 7 Oct 2025 413th FlorianCassayre 🇫🇷 276 396 51ms 1 Jun 2024 414th croc54 271 403 15ms 3 Feb 2025 415th jtaxen 257 425 71ms 3 Jun 2024 416th mrmena 🇦🇺 232 636 49ms 9 Jun 2024 417th iczelia 🇩🇪 219 499 12ms 23 Oct 2025 418th Upload-and-View 🇺🇦 215 508 21ms 21 Aug 2025 419th scpchicken 🇵🇼 207 529 12ms 1 Jun 2024 420th hiichbindermax 200 545 14ms 4 Jun 2024 420th KatieLG-Transpiler 🇬🇧 200 545 13ms 16 Aug 2024 422nd two-bad 🇬🇧 178 638 10ms 10 Aug 2025 423rd Jacob385 150 903 381ms 22 Jun 2024 424th Zhenyu-Bo 131 833 12ms 1 Aug 2025 425th aksyristos 128 852 13ms 5 Oct 2025 426th Msleizak 🇫🇷 115 725 280ms 23 Jul 2025 427th KatieLG 🇬🇧 99 3,659 59ms 9 Jun 2024 428th AidanWalter 58 1,869 14ms 10 hours ago 429th error256 0 121 1,851ms 4 May 2025 430th ovs-code 🇩🇪 0 126 14ms 20 Jun 2025 431st edsrzf 🇳🇿 0 170 238ms 29 May 2025 432nd aiwana 0 238 42ms 22 Oct 2025 433rd dokutan 0 467 66ms 28 Jun 2025 First Prev 376–433 of 433