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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 376th dokutan 385 292 141ms 15 Jun 2025 377th dokutan 380 273 3,535ms 23 Oct 2024 378th dokutan 379 237 319ms 14 Jun 2024 379th CaedenHarper 🇨🇦 369 237 1,280ms 30 Sep 2025 380th gigaprofisi 🇺🇸 369 308 14ms 19 days ago 381st stefangabos 🇷🇴 363 313 13ms 3 days ago 382nd msbranicky 360 288 2,545ms 9 Jan 2025 383rd zakariamouhid 360 316 11ms 8 Jun 2024 384th IISResetMe 359 232 1,437ms 14 Jun 2024 385th alemelis 357 306 20ms 17 Oct 2024 386th madex 🇩🇪 355 320 15ms 6 Jun 2024 387th tomh1012 355 384 399ms 8 days ago 388th yuchuehw 352 310 23ms 4 Jun 2024 388th Flekay 🇩🇪 352 310 19ms 11 Jul 2025 390th klixel 🇨🇦 348 314 270ms 14 Jul 2025 391st MichalMarsalek 🇨🇿 346 352 358ms 7 Jun 2024 392nd KatieLG 🇬🇧 343 398 408ms 14 Oct 2024 393rd dokutan 342 256 802ms 30 Aug 2025 394th BREMAUCY 🇫🇷 339 322 21ms 24 Aug 2025 395th Yewzir 🇧🇪 335 326 15ms 10 Jun 2024 396th mbittner20 334 327 14ms 28 Apr 2025 397th markusgraube 332 329 17ms 1 Jul 2024 398th Yax42 🇫🇷 328 245 141ms 7 Oct 2025 399th knutae 🇳🇴 318 343 20ms 23 Jun 2024 399th jameswmccarty 318 343 26ms 11 Oct 2024 401st Babafaba 317 345 19ms 15 days ago 402nd Babafaba 314 337 931ms 21 days ago 403rd msbranicky 306 294 230ms 18 Sep 2024 404th madex 🇩🇪 288 379 12ms 3 Jun 2024 405th adamnielson42 🇺🇸 287 380 16ms 16 Oct 2024 406th Yax42 🇫🇷 278 421 162ms 7 Oct 2025 407th FlorianCassayre 🇫🇷 276 396 51ms 1 Jun 2024 408th croc54 271 403 15ms 3 Feb 2025 409th jtaxen 257 425 71ms 3 Jun 2024 410th FortuiteMan 🇫🇷 248 441 19ms 6 Oct 2024 411th snoozingnewt 🇺🇸 234 492 120ms 5 Oct 2025 412th mrmena 🇦🇺 232 636 49ms 9 Jun 2024 413th iczelia 🇩🇪 219 499 12ms 23 Oct 2025 414th Upload-and-View 🇺🇦 215 508 21ms 21 Aug 2025 415th scpchicken 🇵🇼 206 529 12ms 1 Jun 2024 416th hiichbindermax 200 545 14ms 4 Jun 2024 416th KatieLG-Transpiler 🇬🇧 200 545 13ms 16 Aug 2024 418th two-bad 🇬🇧 178 638 14ms 10 Aug 2025 419th Jacob385 150 903 381ms 22 Jun 2024 420th Zhenyu-Bo 131 833 12ms 1 Aug 2025 421st aksyristos 128 852 13ms 5 Oct 2025 422nd Msleizak 🇫🇷 115 725 280ms 23 Jul 2025 423rd KatieLG 🇬🇧 99 3,659 59ms 9 Jun 2024 424th error256 0 121 1,051ms 4 May 2025 425th ovs-code 🇩🇪 0 126 14ms 20 Jun 2025 426th edsrzf 🇳🇿 0 170 316ms 29 May 2025 427th aiwana 0 238 42ms 22 Oct 2025 428th dokutan 0 467 66ms 28 Jun 2025 First Prev 376–428 of 428