Reversi in all languages in chars. 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 Chars Time Submitted 320th cros107 🇦🇺 572 139 31ms 19 Jun 2024 322nd edsrzf 🇳🇿 572 241 48ms 4 Apr 2025 323rd bac0id 572 259 74ms 24 Jun 2024 324th JOrE20 570 172 45ms 18 days ago 325th davecame 568 140 20ms 16 Jul 2024 325th Emutis 🇱🇹 568 140 25ms 12 Dec 2025 327th error256 567 90 4ms 4 Sep 2024 328th D-MOVE 🇵🇭 567 116 58ms 26 days ago 329th MostParsingVex 565 238 546ms 23 Jul 2024 330th Yewzir 🇧🇪 563 268 147ms 9 Jun 2024 331st snoozingnewt 🇨🇦 559 252 120ms 20 Nov 2025 332nd dokutan 554 133 30ms 15 Aug 2024 333rd Shanethegamer 🇺🇸 554 189 6ms 28 Sep 2024 334th Shanethegamer 🇺🇸 551 152 1,408ms 1 Jun 2024 335th Lv0Sys 🇵🇱 550 349 331ms 11 Dec 2025 336th msbranicky 547 278 8ms 11 Aug 2024 337th MeWhenI 🇻🇦 545 155 156ms 3 Aug 2024 338th Shanethegamer 🇺🇸 540 171 84ms 13 Jun 2024 339th dokutan 539 182 13ms 15 Jun 2025 340th dokutan 537 172 16ms 1 Jul 2024 341st dokutan 529 159 1,567ms 30 Aug 2025 342nd jerrandolph 528 363 323ms 29 Sep 2025 343rd OllieBoyne 🇬🇧 527 151 29ms 6 Jun 2024 344th commandz0 🇺🇸 523 152 26ms 3 Jun 2024 345th wh3n3v3r 🇨🇿 520 153 52ms 12 Nov 2024 346th bac0id 517 237 2ms 24 Jun 2024 347th msbranicky 516 372 353ms 14 Aug 2024 348th Yax42 🇫🇷 515 261 508ms 16 Oct 2025 349th dokutan 507 159 425ms 16 days ago 350th ZakkkkAttackkkk 🇵🇭 503 158 43ms 21 days ago 351st olleicua 🇺🇸 498 132 39ms 25 Feb 2025 352nd dokutan 497 160 19ms 5 Jun 2024 353rd MeWhenI 🇻🇦 497 186 16ms 10 Jun 2024 354th Yewzir 🇧🇪 497 371 26ms 9 Jun 2024 355th dokutan 494 171 149ms 21 Jun 2025 356th h3ra993huskp 🇯🇵 490 274 611ms 30 Nov 2025 357th Yewzir 🇧🇪 489 323 6ms 9 Jun 2024 358th Shanethegamer 🇺🇸 485 228 5ms 13 Jun 2024 359th Shanethegamer 🇺🇸 483 136 42ms 1 Jun 2024 360th mousetail 🇳🇱 482 183 22ms 27 Sep 2024 361st msbranicky 479 315 157ms 14 Aug 2024 362nd bac0id 477 284 427ms 24 Jun 2024 363rd EnTerr 473 168 19ms 5 Jun 2024 364th anter69 🇭🇺 465 171 28ms 10 days ago 365th dokutan 463 290 435ms 24 Sep 2025 366th Yewzir 🇧🇪 463 293 410ms 22 Dec 2024 367th ahmetdemirag 🇨🇾 462 172 46ms 5 Feb 2025 368th dokutan 461 191 561ms 15 Jun 2024 369th MeWhenI 🇻🇦 461 299 44ms 3 Sep 2024 370th hacker112 🇸🇪 460 213 13ms 27 Jun 2024 371st msbranicky 452 349 6ms 14 Aug 2024 372nd dokutan 447 172 21ms 27 Dec 2025 373rd Yewzir 🇧🇪 445 302 100ms 19 Dec 2024 374th yuchuehw 442 180 20ms 4 Jun 2024 375th CaedenHarper 🇨🇦 439 309 465ms 21 Oct 2025 376th BREMAUCY 🇫🇷 427 186 25ms 4 Oct 2025 377th acollett89 424 231 11ms 18 Jul 2025 378th bac0id 424 317 566ms 24 Jun 2024 379th Yewzir 🇧🇪 423 188 14ms 10 Jun 2024 380th targrik 423 245 31ms 29 Jul 2025 381st Babafaba 416 194 405ms 30 Oct 2025 382nd didion0 🇺🇸 415 236 16ms 21 Feb 2025 383rd annaproxy 414 192 199ms 28 Aug 2025 384th MeWhenI 🇻🇦 414 293 1,517ms 20 Jun 2024 385th madeforlosers 407 241 45ms 18 Oct 2024 386th dokutan 406 334 432ms 5 Jun 2024 387th Babafaba 402 198 21ms 30 Oct 2025 388th coreynash 402 244 17ms 12 Jun 2024 389th Yewzir 🇧🇪 402 410 1,223ms 9 Jun 2024 390th CaedenHarper 🇨🇦 394 249 12ms 25 Sep 2025 391st CaedenHarper 🇨🇦 392 343 456ms 7 Oct 2025 392nd LHLaurini 🇧🇷 390 314 2ms 29 Jun 2024 393rd InigoK 🇺🇸 388 205 25ms 22 Sep 2025 394th dokutan 376 273 2,718ms 23 Oct 2024 395th guilhem-roy 🇫🇷 375 212 2,261ms 22 Nov 2025 396th elgan65536 🇺🇸 370 215 14ms 3 Oct 2024 397th blaztoma 🇱🇹 367 377 130ms 28 Nov 2025 398th YAJUE114514 361 220 14ms 28 Dec 2025 399th TobyBoyne 🇬🇧 357 223 17ms 6 Jun 2024 400th msbranicky 356 288 2,548ms 9 Jan 2025 First Prev 321–400 of 453 Next Last