Reversi in Python 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 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 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 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 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 Chars Time Submitted 1st 4atj 1,000 82 23ms 8 Apr 2025 2nd m-tkach 🇺🇦 953 86 19ms 2 Jun 2024 3rd Steffan153 🇫🇮 943 87 18ms 1 Jun 2024 3rd xsot 🇸🇬 943 87 20ms 2 Jun 2024 3rd JayXon 🇺🇸 943 87 18ms 2 Jun 2024 3rd pardouin 🇫🇷 943 87 18ms 12 Jul 2024 3rd GrayJoKing 🇦🇺 943 87 19ms 23 Jul 2024 3rd sean-niemann 🇺🇸 943 87 18ms 4 Feb 2025 3rd Seek64 🇩🇪 943 87 17ms 23 May 2025 3rd emgordon154 943 87 18ms 6 Jun 2025 3rd kg583 🇺🇸 943 87 18ms 25 Aug 2025 12th duckyluuk 🇳🇱 882 93 37ms 15 Aug 2024 13th SirBogman 🇺🇸 863 95 18ms 1 Jun 2024 14th hallvabo 🇳🇴 854 96 38ms 6 Jun 2024 15th error256 837 98 21ms 1 Jun 2024 16th SB-945 820 100 31ms 8 Jun 2024 17th lifthrasiir 🇰🇷 804 102 72ms 16 Nov 2024 18th qpwoeirut 766 107 25ms 1 Oct 2025 19th snoozingnewt 🇺🇸 745 110 24ms 2 days ago 20th CornerMercury 🇬🇧 739 111 1,482ms 28 hours ago 21st Shanethegamer 🇺🇸 719 114 23ms 8 Apr 2025 22nd albanian-laundromat 701 117 63ms 8 days ago 23rd orthoplex 🇨🇽 678 121 22ms 1 Jun 2024 24th nwellnhof 🇩🇪 672 122 18ms 1 Jun 2024 24th MeWhenI 🇻🇦 672 122 22ms 7 Jun 2024 24th sisyphus-ppcg 🇦🇺 672 122 20ms 25 Jul 2024 27th ovs-code 🇩🇪 667 123 18ms 1 Jun 2024 27th ryyyn 🇺🇸 667 123 18ms 19 days ago 29th 5cw 🇺🇸 651 126 18ms 1 Jun 2024 29th stefangimmillaro 651 126 19ms 30 Jan 2025 29th bricknellj 651 126 18ms 6 Feb 2025 29th edsrzf 🇳🇿 651 126 16ms 9 Sep 2025 29th KatieLG 🇬🇧 651 126 2,237ms 15 Sep 2025 34th AlephSquirrel 641 128 32ms 4 Jun 2024 35th ndren 636 129 285ms 11 Jul 2025 36th jatloe 617 133 345ms 28 Oct 2024 37th GolfingSuccess 🇬🇷 612 134 21ms 1 Jun 2024 38th bizy-coder 590 139 31ms 1 Jun 2024 38th cros107 🇦🇺 590 139 29ms 19 Jun 2024 40th davecame 586 140 21ms 16 Jul 2024 41st OllieBoyne 🇬🇧 543 151 28ms 6 Jun 2024 42nd commandblockguy 🇺🇸 539 152 27ms 3 Jun 2024 43rd wh3n3v3r 🇨🇿 536 153 50ms 12 Nov 2024 44th dokutan 513 160 18ms 5 Jun 2024 45th EnTerr 488 168 19ms 5 Jun 2024 46th ahmetdemirag 🇨🇾 477 172 47ms 5 Feb 2025 47th yuchuehw 456 180 22ms 4 Jun 2024 48th BREMAUCY 🇫🇷 441 186 21ms 4 Oct 2025 49th Yewzir 🇧🇪 436 188 19ms 10 Jun 2024 50th annaproxy 427 192 197ms 28 Aug 2025 51st Babafaba 414 198 21ms 26 days ago 52nd InigoK 🇺🇸 400 205 22ms 22 Sep 2025 53rd guilhem-roy 🇫🇷 387 212 2,200ms 2 days ago 54th elgan65536 381 215 15ms 3 Oct 2024 55th TobyBoyne 🇬🇧 368 223 20ms 6 Jun 2024 56th mousetail 🇳🇱 357 230 23ms 22 Sep 2025 57th msbranicky 323 254 37ms 9 Aug 2024 58th blaztoma 🇱🇹 320 256 28ms 15 days ago 59th Bulmenisaurus 317 259 34ms 5 Jan 2025 60th CaedenHarper 🇨🇦 312 263 26ms 25 Sep 2025 61st mathisfun271 309 265 37ms 7 Oct 2024 62nd alemelis 268 306 20ms 17 Oct 2024 63rd Flekay 🇩🇪 265 310 19ms 11 Jul 2025 64th klixel 🇨🇦 261 314 270ms 14 Jul 2025 65th mbittner20 251 327 14ms 28 Apr 2025 66th markusgraube 249 329 17ms 1 Jul 2024 67th knutae 🇳🇴 239 343 20ms 23 Jun 2024 67th jameswmccarty 239 343 26ms 11 Oct 2024 69th madex 🇩🇪 216 379 12ms 3 Jun 2024 70th adamnielson42 🇺🇸 216 380 16ms 16 Oct 2024 71st FlorianCassayre 🇫🇷 207 396 51ms 1 Jun 2024 72nd croc54 203 403 15ms 3 Feb 2025 73rd jtaxen 193 425 71ms 3 Jun 2024 74th FortuiteMan 🇫🇷 186 441 19ms 6 Oct 2024 75th iczelia 🇩🇪 164 499 12ms 23 Oct 2025 1–75 of 81 Next Last