The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 3 days. Why not try and solve them ahead of time?
Medal Tally in Python in bytes. 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 Alphabetic Numbers 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Alphabetic Numbers 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 81st janbehrens 🇩🇪 662 195 11ms 5 Jun 2023 82nd keegan-t 🇨🇦 645 200 11ms 19 Apr 2025 82nd davidludwik2370 645 200 10ms 27 Jul 2025 84th nstearns96 🇬🇧 642 201 11ms 31 Dec 2023 85th msbranicky 629 205 17ms 19 Oct 2023 85th CaedenHarper 🇨🇦 629 205 30ms 13 Aug 2025 87th andre-lameirinhas 🇵🇹 623 207 18ms 1 Jun 2023 88th fkantelberg 617 209 13ms 24 Jul 2023 89th cros107 🇦🇺 614 210 18ms 9 Aug 2023 90th Alex-x90 🇺🇸 611 211 12ms 17 Aug 2023 90th wh3n3v3r 🇨🇿 611 211 11ms 10 Nov 2024 92nd guilhem-roy 🇫🇷 603 214 18ms 20 Jun 2023 93rd FlorianCassayre 🇫🇷 600 215 12ms 5 Aug 2025 93rd Emutis 🇱🇹 600 215 17ms 4 Nov 2025 95th RYNO8 597 216 11ms 13 Nov 2023 95th Mabeloid 🇳🇴 597 216 11ms 4 May 2025 97th Babafaba 592 218 18ms 26 Oct 2025 98th adamnielson42 🇺🇸 589 219 12ms 2 Jun 2023 98th luuumine 🇫🇷 589 219 11ms 4 Nov 2025 100th FortuiteMan 🇫🇷 586 220 11ms 17 Aug 2023 101st TaserTheFox 🇺🇸 581 222 10ms 1 Jun 2023 101st croc54 581 222 18ms 15 Dec 2024 103rd Andrey135296 561 230 11ms 17 Sep 2024 104th jatloe 556 232 12ms 27 Sep 2024 105th yzhs 🇩🇪 551 234 13ms 21 Jun 2023 106th rollershutter 549 235 19ms 18 Nov 2025 107th jipsong 🇩🇪 540 239 11ms 5 Jul 2025 108th mbittner20 535 241 11ms 8 Feb 2024 109th ridingqwerty 🇺🇸 533 242 18ms 22 Feb 2024 110th madex 🇩🇪 527 245 18ms 7 Jun 2023 111th JunkIce 520 248 16ms 9 Oct 2024 112th eiburns 516 250 11ms 26 Oct 2023 113th RaBa21 🇭🇺 514 251 13ms 19 Jul 2025 114th alemelis 510 253 18ms 14 Sep 2024 115th robin-scragg 506 255 19ms 1 Jul 2025 116th Florian-Mt 498 259 12ms 16 Jan 2026 117th firegene 🇮🇪 489 264 11ms 25 Dec 2023 117th epic-programmer-guy 489 264 18ms 25 Dec 2023 119th Yewzir 🇧🇪 483 267 18ms 28 Jan 2024 119th dokutan 483 267 17ms 10 Jun 2024 121st yuchuehw 481 268 19ms 12 May 2024 122nd camieac 🇬🇧 478 270 11ms 8 Jun 2023 122nd evan18c 478 270 12ms 19 Apr 2025 124th DGipe 476 271 11ms 4 Jun 2024 125th damoose717 466 277 11ms 24 May 2025 125th tomh1012 466 277 18ms 24 Feb 2026 127th jtaxen 462 279 17ms 9 Oct 2025 128th Mikey-Beep 🇬🇧 461 280 11ms 23 Aug 2023 128th Andrey2001 461 280 17ms 3 days ago 130th HumanoidCPU 427 302 12ms 5 May 2025 131st RedzGoose 🇦🇺 423 305 18ms 25 Feb 2025 132nd CutSandstone 420 307 11ms 8 Jul 2024 133rd TheZwierzLF 🇵🇱 417 309 11ms 23 Nov 2025 134th ellis-rix 408 316 12ms 13 Jun 2023 135th zt14427 404 319 11ms 7 Jul 2025 136th inverseLorentz 🇦🇺 355 363 11ms 5 Oct 2023 137th Bit125 348 371 11ms 27 Mar 2024 138th Ralac07 🇦🇺 343 376 11ms 24 Nov 2025 139th brimstonetrader 260 497 11ms 26 Dec 2023 140th Zhenyu-Bo 253 509 12ms 31 Jul 2025 141st kevinnaviapaiva 252 511 11ms 24 Feb 2025 142nd haighd 191 676 12ms 29 Oct 2023 143rd AidanWalter 186 694 11ms 28 Nov 2025 First Prev 81–143 of 143
