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 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 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 CornerMercury 🇬🇧 581 188 2,379ms 28 May 2025 302nd Shanethegamer 🇺🇸 580 202 107ms 13 Jun 2024 303rd Yewzir 🇧🇪 578 265 8ms 9 Jun 2024 304th bac0id 576 259 73ms 24 Jun 2024 305th MarcMush 🇫🇷 573 157 762ms 31 Jul 2024 306th annaproxy 569 192 192ms 28 Aug 2025 307th Yewzir 🇧🇪 568 268 183ms 9 Jun 2024 308th MostParsingVex 567 238 346ms 23 Jul 2024 309th dokutan 561 133 47ms 15 Aug 2024 310th MeWhenI 🇻🇦 560 299 47ms 3 Sep 2024 311th Shanethegamer 🇺🇸 558 152 1,066ms 1 Jun 2024 312th Shanethegamer 🇺🇸 555 189 7ms 28 Sep 2024 313th Yewzir 🇧🇪 552 323 6ms 9 Jun 2024 314th msbranicky 551 278 9ms 11 Aug 2024 315th albanian-laundromat 547 160 959ms 4 days ago 316th KatieLG 🇬🇧 541 202 2,916ms 25 May 2025 317th CaedenHarper 🇨🇦 539 356 391ms 3 days ago 318th dcgjb 538 155 1,407ms 4 Jun 2024 319th Shanethegamer 🇺🇸 535 228 6ms 13 Jun 2024 320th InigoK 🇺🇸 533 205 24ms 22 Sep 2025 321st hacker112 🇸🇪 533 213 14ms 27 Jun 2024 322nd jerrandolph 529 363 255ms 29 Sep 2025 323rd bac0id 528 237 2ms 24 Jun 2024 324th ndren 525 208 333ms 10 Jul 2025 324th albanian-laundromat 525 208 15ms 16 Sep 2025 326th KatieLG 🇬🇧 524 202 3,339ms 25 May 2025 327th Yax42 🇫🇷 517 261 402ms 23 days ago 328th msbranicky 516 372 295ms 14 Aug 2024 329th msbranicky 511 349 10ms 14 Aug 2024 330th albanian-laundromat 509 208 694ms 10 Sep 2025 331st elgan65536 508 215 13ms 3 Oct 2024 331st jatloe 508 215 347ms 28 Oct 2024 333rd madex 🇩🇪 507 247 2ms 10 Jun 2024 334th Yewzir 🇧🇪 500 371 33ms 9 Jun 2024 335th acollett89 491 231 10ms 18 Jul 2025 336th TobyBoyne 🇬🇧 490 223 20ms 6 Jun 2024 337th mousetail 🇳🇱 488 183 23ms 27 Sep 2024 338th msbranicky 483 315 161ms 14 Aug 2024 339th rucin93 🇵🇱 482 318 49ms 16 Jul 2024 340th didion0 🇺🇸 481 236 21ms 21 Feb 2025 341st bac0id 480 284 363ms 24 Jun 2024 342nd mousetail 🇳🇱 475 230 24ms 22 Sep 2025 343rd madeforlosers 471 241 43ms 18 Oct 2024 344th dokutan 466 290 400ms 24 Sep 2025 345th coreynash 465 244 17ms 12 Jun 2024 346th Yewzir 🇧🇪 465 293 373ms 22 Dec 2024 347th CaedenHarper 🇨🇦 456 249 15ms 25 Sep 2025 348th Yewzir 🇧🇪 450 302 90ms 19 Dec 2024 349th h3ra993huskp 🇯🇵 447 302 377ms 9 Jun 2024 350th CaedenHarper 🇨🇦 441 309 398ms 17 days ago 351st tatzyr 🇯🇵 439 183 141ms 26 Mar 2025 352nd dokutan 433 271 21ms 3 Jun 2024 353rd msbranicky 430 254 42ms 9 Aug 2024 354th wh3n3v3r 🇨🇿 428 255 54ms 12 Nov 2024 355th targrik 427 245 27ms 29 Jul 2025 356th bac0id 426 317 351ms 24 Jun 2024 357th Bulmenisaurus 422 259 46ms 5 Jan 2025 358th CaedenHarper 🇨🇦 418 253 1,067ms 25 Sep 2025 359th MeWhenI 🇻🇦 418 293 1,413ms 20 Jun 2024 360th CaedenHarper 🇨🇦 415 263 29ms 25 Sep 2025 361st msbranicky 413 256 675ms 2 Jun 2024 362nd mathisfun271 412 265 30ms 7 Oct 2024 362nd blaztoma 🇱🇹 412 265 47ms 27 days ago 364th dokutan 410 277 18ms 15 Jun 2025 365th dokutan 408 334 391ms 5 Jun 2024 366th dokutan 406 269 19ms 3 Jun 2024 367th Yewzir 🇧🇪 405 410 227ms 9 Jun 2024 368th LHLaurini 🇧🇷 399 314 2ms 29 Jun 2024 369th dokutan 395 268 643ms 3 Jun 2024 370th CaedenHarper 🇨🇦 394 343 406ms 7 Oct 2025 371st dokutan 385 292 150ms 15 Jun 2025 372nd dokutan 380 273 3,535ms 23 Oct 2024 373rd dokutan 379 237 319ms 14 Jun 2024 374th CaedenHarper 🇨🇦 369 237 1,269ms 30 Sep 2025 375th gigaprofisi 🇺🇸 369 308 11ms 6 days ago First Prev 301–375 of 423 Next Last