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 401st CaedenHarper 🇨🇦 355 237 2,322ms 30 Sep 2025 402nd tomh1012 353 384 460ms 12 Nov 2025 403rd HumanoidCPU 351 230 459ms 31 Dec 2025 404th CaedenHarper 🇨🇦 349 231 862ms 11 Dec 2025 405th mousetail 🇳🇱 346 230 23ms 22 Sep 2025 406th CaedenHarper 🇨🇦 343 232 24ms 11 Dec 2025 407th MichalMarsalek 🇨🇿 343 352 439ms 7 Jun 2024 408th KatieLG 🇬🇧 341 398 463ms 14 Oct 2024 409th HumanoidCPU 340 234 21ms 31 Dec 2025 410th IISResetMe 333 232 1,443ms 14 Jun 2024 411th gigaprofisi 🇺🇸 318 308 12ms 1 Nov 2025 412th msbranicky 315 256 724ms 2 Jun 2024 413th madex 🇩🇪 314 253 21ms 23 Dec 2025 414th msbranicky 313 254 35ms 9 Aug 2024 415th stefangabos 🇷🇴 313 313 13ms 17 Nov 2025 416th zakariamouhid 310 316 14ms 8 Jun 2024 417th Bulmenisaurus 307 259 35ms 5 Jan 2025 418th madex 🇩🇪 306 320 13ms 6 Jun 2024 419th mathisfun271 300 265 31ms 7 Oct 2024 420th msbranicky 299 294 213ms 18 Sep 2024 421st aksyristos 279 285 16ms 10 days ago 422nd Yax42 🇫🇷 276 421 175ms 7 Oct 2025 423rd Yax42 🇫🇷 268 245 128ms 7 Oct 2025 424th alemelis 260 306 21ms 17 Oct 2024 425th klixel 🇨🇦 253 314 280ms 14 Jul 2025 426th mbittner20 243 327 18ms 28 Apr 2025 427th markusgraube 242 329 17ms 1 Jul 2024 428th FortuiteMan 🇫🇷 238 334 23ms 27 Nov 2025 429th knutae 🇳🇴 232 343 21ms 23 Jun 2024 429th jameswmccarty 232 343 29ms 11 Oct 2024 431st mrmena 🇦🇺 230 636 44ms 9 Jun 2024 432nd adamnielson42 🇺🇸 209 380 16ms 16 Oct 2024 433rd FlorianCassayre 🇫🇷 201 396 55ms 1 Jun 2024 434th croc54 197 403 14ms 3 Feb 2025 435th jtaxen 187 425 56ms 3 Jun 2024 436th iczelia 🇩🇪 159 499 12ms 23 Oct 2025 437th muser-logiccpu 🇺🇦 157 508 17ms 21 Aug 2025 438th two-bad 🇬🇧 154 638 14ms 10 Aug 2025 439th scpchicken 🇵🇼 150 529 12ms 1 Jun 2024 440th Jacob385 149 903 538ms 22 Jun 2024 441st hiichbindermax 146 545 15ms 4 Jun 2024 441st KatieLG-Transpiler 🇬🇧 146 545 14ms 16 Aug 2024 443rd Msleizak 🇫🇷 107 725 319ms 23 Jul 2025 444th KatieLG 🇬🇧 99 3,659 97ms 9 Jun 2024 445th Zhenyu-Bo 95 833 12ms 1 Aug 2025 446th AidanWalter 43 1,869 14ms 28 Nov 2025 447th ovs-code 🇩🇪 0 90 14ms 20 Jun 2025 448th error256 0 121 1,776ms 4 May 2025 449th aiwana 0 135 38ms 22 Oct 2025 450th dokutan 0 168 63ms 21 days ago 451st edsrzf 🇳🇿 0 170 240ms 29 May 2025 452nd dokutan 0 171 62ms 28 Jun 2025 453rd Yewzir 🇧🇪 0 276 4ms 18 days 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