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 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 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 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 Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input 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 376th CaedenHarper 🇨🇦 393 249 11ms 25 Sep 2025 377th CaedenHarper 🇨🇦 392 343 739ms 7 Oct 2025 378th InigoK 🇺🇸 388 205 22ms 22 Sep 2025 379th dokutan 376 273 4,180ms 23 Oct 2024 380th guilhem-roy 🇫🇷 375 212 2,297ms 19 days ago 381st elgan65536 370 215 14ms 3 Oct 2024 382nd blaztoma 🇱🇹 367 377 111ms 13 days ago 383rd TobyBoyne 🇬🇧 356 223 18ms 6 Jun 2024 384th msbranicky 356 288 4,931ms 9 Jan 2025 385th CaedenHarper 🇨🇦 354 237 1,438ms 30 Sep 2025 386th tomh1012 353 384 381ms 12 Nov 2025 387th mousetail 🇳🇱 345 230 23ms 22 Sep 2025 388th CaedenHarper 🇨🇦 345 231 572ms 96 mins ago 389th MichalMarsalek 🇨🇿 343 352 372ms 7 Jun 2024 390th CaedenHarper 🇨🇦 342 232 22ms 97 mins ago 391st KatieLG 🇬🇧 341 398 371ms 14 Oct 2024 392nd IISResetMe 340 232 1,254ms 14 Jun 2024 393rd gigaprofisi 🇺🇸 318 308 11ms 1 Nov 2025 394th msbranicky 313 254 37ms 9 Aug 2024 395th stefangabos 🇷🇴 313 313 11ms 24 days ago 396th msbranicky 312 256 715ms 2 Jun 2024 397th zakariamouhid 310 316 12ms 8 Jun 2024 398th Bulmenisaurus 307 259 33ms 5 Jan 2025 399th madex 🇩🇪 306 320 12ms 6 Jun 2024 400th mathisfun271 300 265 30ms 7 Oct 2024 401st msbranicky 299 294 195ms 18 Sep 2024 402nd Lv0Sys 🇵🇱 280 284 19ms 8 hours ago 403rd Yax42 🇫🇷 276 421 132ms 7 Oct 2025 404th Yax42 🇫🇷 268 245 130ms 7 Oct 2025 405th alemelis 260 306 20ms 17 Oct 2024 406th Flekay 🇩🇪 256 310 21ms 11 Jul 2025 407th klixel 🇨🇦 253 314 297ms 14 Jul 2025 408th mbittner20 243 327 14ms 28 Apr 2025 409th markusgraube 241 329 16ms 1 Jul 2024 410th FortuiteMan 🇫🇷 238 334 22ms 14 days ago 411th knutae 🇳🇴 232 343 25ms 23 Jun 2024 411th jameswmccarty 232 343 29ms 11 Oct 2024 413th mrmena 🇦🇺 230 636 47ms 9 Jun 2024 414th JOrE20 🇺🇸 214 457 12ms 9 days ago 415th madex 🇩🇪 210 379 12ms 3 Jun 2024 416th adamnielson42 🇺🇸 209 380 15ms 16 Oct 2024 417th FlorianCassayre 🇫🇷 201 396 52ms 1 Jun 2024 418th croc54 197 403 13ms 3 Feb 2025 419th jtaxen 187 425 52ms 3 Jun 2024 420th iczelia 🇩🇪 159 499 14ms 23 Oct 2025 421st Upload-and-View 🇺🇦 156 508 16ms 21 Aug 2025 422nd two-bad 🇬🇧 154 638 11ms 10 Aug 2025 423rd scpchicken 🇵🇼 150 529 12ms 1 Jun 2024 424th Jacob385 149 903 448ms 22 Jun 2024 425th hiichbindermax 146 545 15ms 4 Jun 2024 425th KatieLG-Transpiler 🇬🇧 146 545 13ms 16 Aug 2024 427th Msleizak 🇫🇷 109 725 270ms 23 Jul 2025 428th anter69 🇭🇺 100 793 13ms 7 days ago 429th KatieLG 🇬🇧 99 3,659 90ms 9 Jun 2024 430th Zhenyu-Bo 95 833 12ms 1 Aug 2025 431st aksyristos 93 852 13ms 5 Oct 2025 432nd AidanWalter 43 1,869 14ms 13 days ago 433rd ovs-code 🇩🇪 0 90 14ms 20 Jun 2025 434th error256 0 121 1,731ms 4 May 2025 435th aiwana 0 135 71ms 22 Oct 2025 436th edsrzf 🇳🇿 0 170 242ms 29 May 2025 437th dokutan 0 171 62ms 28 Jun 2025 First Prev 376–437 of 437