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 🇨🇦 392 343 739ms 7 Oct 2025 377th InigoK 🇺🇸 388 205 22ms 22 Sep 2025 378th dokutan 376 273 4,180ms 23 Oct 2024 379th guilhem-roy 🇫🇷 375 212 2,297ms 18 days ago 380th elgan65536 370 215 14ms 3 Oct 2024 381st blaztoma 🇱🇹 367 377 111ms 13 days ago 382nd TobyBoyne 🇬🇧 356 223 18ms 6 Jun 2024 383rd msbranicky 356 288 4,931ms 9 Jan 2025 384th CaedenHarper 🇨🇦 354 237 1,438ms 30 Sep 2025 385th tomh1012 353 384 381ms 12 Nov 2025 386th mousetail 🇳🇱 345 230 23ms 22 Sep 2025 387th MichalMarsalek 🇨🇿 343 352 372ms 7 Jun 2024 388th KatieLG 🇬🇧 341 398 371ms 14 Oct 2024 389th IISResetMe 340 232 1,254ms 14 Jun 2024 390th gigaprofisi 🇺🇸 318 308 11ms 1 Nov 2025 391st CaedenHarper 🇨🇦 315 253 751ms 25 Sep 2025 392nd msbranicky 313 254 37ms 9 Aug 2024 393rd stefangabos 🇷🇴 313 313 11ms 24 days ago 394th msbranicky 312 256 715ms 2 Jun 2024 395th zakariamouhid 310 316 12ms 8 Jun 2024 396th Bulmenisaurus 307 259 33ms 5 Jan 2025 397th madex 🇩🇪 306 320 12ms 6 Jun 2024 398th CaedenHarper 🇨🇦 302 263 27ms 25 Sep 2025 399th mathisfun271 300 265 30ms 7 Oct 2024 400th msbranicky 299 294 195ms 18 Sep 2024 401st Lv0Sys 🇵🇱 280 284 19ms 81 mins ago 402nd Yax42 🇫🇷 276 421 132ms 7 Oct 2025 403rd Yax42 🇫🇷 268 245 130ms 7 Oct 2025 404th alemelis 260 306 20ms 17 Oct 2024 405th Flekay 🇩🇪 256 310 21ms 11 Jul 2025 406th klixel 🇨🇦 253 314 297ms 14 Jul 2025 407th mbittner20 243 327 14ms 28 Apr 2025 408th markusgraube 241 329 16ms 1 Jul 2024 409th FortuiteMan 🇫🇷 238 334 22ms 14 days ago 410th knutae 🇳🇴 232 343 25ms 23 Jun 2024 410th jameswmccarty 232 343 29ms 11 Oct 2024 412th mrmena 🇦🇺 230 636 47ms 9 Jun 2024 413th JOrE20 🇺🇸 214 457 12ms 8 days ago 414th madex 🇩🇪 210 379 12ms 3 Jun 2024 415th adamnielson42 🇺🇸 209 380 15ms 16 Oct 2024 416th FlorianCassayre 🇫🇷 201 396 52ms 1 Jun 2024 417th croc54 197 403 13ms 3 Feb 2025 418th jtaxen 187 425 52ms 3 Jun 2024 419th iczelia 🇩🇪 159 499 14ms 23 Oct 2025 420th Upload-and-View 🇺🇦 156 508 16ms 21 Aug 2025 421st two-bad 🇬🇧 154 638 11ms 10 Aug 2025 422nd scpchicken 🇵🇼 150 529 12ms 1 Jun 2024 423rd Jacob385 149 903 448ms 22 Jun 2024 424th hiichbindermax 146 545 15ms 4 Jun 2024 424th KatieLG-Transpiler 🇬🇧 146 545 13ms 16 Aug 2024 426th Msleizak 🇫🇷 109 725 270ms 23 Jul 2025 427th anter69 🇭🇺 100 793 13ms 7 days ago 428th KatieLG 🇬🇧 99 3,659 90ms 9 Jun 2024 429th Zhenyu-Bo 95 833 12ms 1 Aug 2025 430th aksyristos 93 852 13ms 5 Oct 2025 431st Lv0Sys 🇵🇱 61 3,149 246ms 63 mins ago 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