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 301st MeWhenI 🇻🇦 603 145 924ms 15 Sep 2025 302nd stefangimmillaro 602 124 55ms 11 days ago 303rd albanian-laundromat 601 176 1,087ms 6 days ago 304th Shanethegamer 🇺🇸 600 203 331ms 13 Jun 2024 305th MeWhenI 🇻🇦 597 204 445ms 27 Jul 2024 306th Shanethegamer 🇺🇸 590 136 57ms 1 Jun 2024 307th CaedenHarper 🇨🇦 587 327 255ms 3 days ago 308th Shanethegamer 🇺🇸 585 231 398ms 24 Sep 2025 309th CornerMercury 🇬🇧 581 188 1,871ms 28 May 2025 310th Shanethegamer 🇺🇸 580 202 122ms 13 Jun 2024 311th Yewzir 🇧🇪 578 265 7ms 9 Jun 2024 312th snoozingnewt 🇺🇸 577 200 83ms 34 hours ago 313th bac0id 576 259 79ms 24 Jun 2024 314th MarcMush 🇫🇷 573 157 720ms 31 Jul 2024 315th annaproxy 569 192 197ms 28 Aug 2025 316th MostParsingVex 568 238 346ms 23 Jul 2024 317th Yewzir 🇧🇪 568 268 183ms 9 Jun 2024 318th snoozingnewt 🇺🇸 563 252 111ms 3 days ago 319th dokutan 561 133 47ms 15 Aug 2024 320th MeWhenI 🇻🇦 560 299 46ms 3 Sep 2024 321st Shanethegamer 🇺🇸 558 152 1,066ms 1 Jun 2024 322nd Shanethegamer 🇺🇸 555 189 7ms 28 Sep 2024 323rd Yewzir 🇧🇪 552 323 6ms 9 Jun 2024 324th msbranicky 551 278 8ms 11 Aug 2024 325th KatieLG 🇬🇧 541 202 2,676ms 25 May 2025 326th dcgjb 538 155 1,405ms 4 Jun 2024 327th Shanethegamer 🇺🇸 535 228 6ms 13 Jun 2024 328th InigoK 🇺🇸 533 205 22ms 22 Sep 2025 329th hacker112 🇸🇪 533 213 12ms 27 Jun 2024 330th jerrandolph 529 363 255ms 29 Sep 2025 331st bac0id 528 237 2ms 24 Jun 2024 332nd ndren 525 208 238ms 10 Jul 2025 333rd KatieLG 🇬🇧 524 202 3,339ms 25 May 2025 334th Yax42 🇫🇷 518 261 402ms 16 Oct 2025 335th msbranicky 516 372 295ms 14 Aug 2024 336th guilhem-roy 🇫🇷 515 212 2,200ms 34 hours ago 337th msbranicky 511 349 10ms 14 Aug 2024 338th elgan65536 508 215 15ms 3 Oct 2024 338th jatloe 508 215 313ms 28 Oct 2024 340th madex 🇩🇪 507 247 2ms 10 Jun 2024 341st Yewzir 🇧🇪 500 371 33ms 9 Jun 2024 342nd acollett89 492 231 10ms 18 Jul 2025 343rd TobyBoyne 🇬🇧 490 223 20ms 6 Jun 2024 344th mousetail 🇳🇱 488 183 23ms 27 Sep 2024 345th msbranicky 483 315 161ms 14 Aug 2024 346th rucin93 🇵🇱 482 318 46ms 16 Jul 2024 347th didion0 🇺🇸 481 236 16ms 21 Feb 2025 348th bac0id 481 284 356ms 24 Jun 2024 349th mousetail 🇳🇱 475 230 23ms 22 Sep 2025 350th madeforlosers 471 241 45ms 18 Oct 2024 351st coreynash 466 244 16ms 12 Jun 2024 352nd dokutan 466 290 400ms 24 Sep 2025 353rd Yewzir 🇧🇪 466 293 580ms 22 Dec 2024 354th CaedenHarper 🇨🇦 456 249 12ms 25 Sep 2025 355th Yewzir 🇧🇪 450 302 96ms 19 Dec 2024 356th h3ra993huskp 🇯🇵 448 302 377ms 9 Jun 2024 357th CaedenHarper 🇨🇦 442 309 368ms 21 Oct 2025 358th tatzyr 🇯🇵 439 183 141ms 26 Mar 2025 359th dokutan 433 271 21ms 3 Jun 2024 360th msbranicky 430 254 37ms 9 Aug 2024 361st wh3n3v3r 🇨🇿 428 255 55ms 12 Nov 2024 362nd targrik 427 245 34ms 29 Jul 2025 363rd blaztoma 🇱🇹 427 256 28ms 14 days ago 364th bac0id 427 317 351ms 24 Jun 2024 365th Bulmenisaurus 422 259 34ms 5 Jan 2025 366th CaedenHarper 🇨🇦 418 253 1,067ms 25 Sep 2025 367th MeWhenI 🇻🇦 418 293 1,413ms 20 Jun 2024 368th CaedenHarper 🇨🇦 415 263 26ms 25 Sep 2025 369th msbranicky 413 256 675ms 2 Jun 2024 370th mathisfun271 412 265 37ms 7 Oct 2024 371st dokutan 410 277 13ms 15 Jun 2025 372nd dokutan 409 334 354ms 5 Jun 2024 373rd dokutan 406 269 21ms 3 Jun 2024 374th Yewzir 🇧🇪 405 410 227ms 9 Jun 2024 375th LHLaurini 🇧🇷 399 314 2ms 29 Jun 2024 First Prev 301–375 of 429 Next Last