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 Continued Fractions 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 Multitap Input 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 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 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Multitap Input 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 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 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 321st CornerMercury 🇬🇧 598 183 1,912ms 24 Nov 2025 322nd MeWhenI 🇻🇦 597 204 486ms 27 Jul 2024 323rd MeWhenI 🇻🇦 597 295 36ms 12 Jul 2025 324th Shanethegamer 🇺🇸 591 136 42ms 1 Jun 2024 325th CaedenHarper 🇨🇦 590 327 319ms 20 Nov 2025 326th Flekay 🇩🇪 588 186 21ms 12 days ago 327th Shanethegamer 🇺🇸 585 231 447ms 24 Sep 2025 328th Shanethegamer 🇺🇸 580 202 124ms 13 Jun 2024 329th Yewzir 🇧🇪 578 265 7ms 9 Jun 2024 330th snoozingnewt 🇨🇦 577 200 91ms 22 Nov 2025 331st bac0id 576 259 74ms 24 Jun 2024 332nd MarcMush 🇫🇷 573 157 802ms 31 Jul 2024 333rd annaproxy 570 192 199ms 28 Aug 2025 334th MostParsingVex 568 238 546ms 23 Jul 2024 335th Yewzir 🇧🇪 568 268 147ms 9 Jun 2024 336th snoozingnewt 🇨🇦 563 252 120ms 20 Nov 2025 337th dokutan 561 133 30ms 15 Aug 2024 338th Shanethegamer 🇺🇸 560 189 6ms 28 Sep 2024 339th MeWhenI 🇻🇦 560 299 44ms 3 Sep 2024 340th Shanethegamer 🇺🇸 558 152 1,408ms 1 Jun 2024 341st Lv0Sys 🇵🇱 553 349 331ms 11 Dec 2025 342nd msbranicky 551 278 8ms 11 Aug 2024 343rd KatieLG 🇬🇧 542 202 2,758ms 25 May 2025 344th dcgjb 538 155 1,421ms 4 Jun 2024 345th Shanethegamer 🇺🇸 535 228 5ms 13 Jun 2024 346th InigoK 🇺🇸 534 205 25ms 22 Sep 2025 347th hacker112 🇸🇪 534 213 13ms 27 Jun 2024 348th jerrandolph 531 363 323ms 29 Sep 2025 349th ndren 526 208 282ms 10 Jul 2025 350th Yewzir 🇧🇪 525 323 6ms 9 Jun 2024 351st KatieLG 🇬🇧 524 202 2,600ms 25 May 2025 352nd bac0id 521 237 2ms 24 Jun 2024 353rd Yax42 🇫🇷 518 261 508ms 16 Oct 2025 354th msbranicky 518 372 353ms 14 Aug 2024 355th guilhem-roy 🇫🇷 516 212 2,261ms 22 Nov 2025 356th elgan65536 🇺🇸 509 215 14ms 3 Oct 2024 356th jatloe 509 215 328ms 28 Oct 2024 358th Yewzir 🇧🇪 500 371 26ms 9 Jun 2024 359th YAJUE114514 497 220 14ms 28 Dec 2025 360th h3ra993huskp 🇯🇵 494 274 611ms 30 Nov 2025 361st acollett89 493 231 11ms 18 Jul 2025 362nd TobyBoyne 🇬🇧 491 223 17ms 6 Jun 2024 363rd mousetail 🇳🇱 488 183 22ms 27 Sep 2024 364th msbranicky 486 349 6ms 14 Aug 2024 365th msbranicky 483 315 157ms 14 Aug 2024 366th didion0 🇺🇸 482 236 16ms 21 Feb 2025 367th rucin93 🇵🇱 482 318 44ms 16 Jul 2024 368th bac0id 481 284 427ms 24 Jun 2024 369th mousetail 🇳🇱 476 230 23ms 22 Sep 2025 370th CaedenHarper 🇨🇦 472 232 24ms 11 Dec 2025 371st madeforlosers 472 241 45ms 18 Oct 2024 372nd coreynash 466 244 17ms 12 Jun 2024 373rd dokutan 466 290 435ms 24 Sep 2025 374th Yewzir 🇧🇪 466 293 410ms 22 Dec 2024 375th CaedenHarper 🇨🇦 458 231 862ms 11 Dec 2025 376th CaedenHarper 🇨🇦 457 249 12ms 25 Sep 2025 377th Yewzir 🇧🇪 450 302 100ms 19 Dec 2024 378th CaedenHarper 🇨🇦 442 309 465ms 21 Oct 2025 379th tatzyr 🇯🇵 439 183 142ms 26 Mar 2025 380th dokutan 433 271 15ms 3 Jun 2024 381st madex 🇩🇪 432 253 21ms 23 Dec 2025 382nd msbranicky 431 254 35ms 9 Aug 2024 383rd wh3n3v3r 🇨🇿 429 255 52ms 12 Nov 2024 384th targrik 427 245 31ms 29 Jul 2025 385th bac0id 427 317 566ms 24 Jun 2024 386th Bulmenisaurus 422 259 35ms 5 Jan 2025 387th JOrE20 420 271 44ms 19 days ago 388th MeWhenI 🇻🇦 418 293 1,517ms 20 Jun 2024 389th msbranicky 413 256 724ms 2 Jun 2024 390th mathisfun271 413 265 31ms 7 Oct 2024 391st dokutan 411 277 13ms 15 Jun 2025 392nd dokutan 409 334 432ms 5 Jun 2024 393rd dokutan 407 269 19ms 3 Jun 2024 394th Yewzir 🇧🇪 405 410 1,223ms 9 Jun 2024 395th dokutan 395 268 481ms 3 Jun 2024 396th CaedenHarper 🇨🇦 394 343 456ms 7 Oct 2025 397th LHLaurini 🇧🇷 393 314 2ms 29 Jun 2024 398th dokutan 385 292 146ms 15 Jun 2025 399th aksyristos 384 285 16ms 12 days ago 400th dokutan 380 273 2,718ms 23 Oct 2024 First Prev 321–400 of 455 Next Last