The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 33 mins. Why not try and solve them ahead of time?
Niven Numbers in PowerShell 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 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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 1st JayXon 🇺🇸 1,000 28 246ms 29 Oct 2023 1st Lydxn 🇨🇦 1,000 28 260ms 29 Oct 2023 1st sisyphus-ppcg 🇦🇺 1,000 28 220ms 29 Oct 2023 1st Shanethegamer 🇺🇸 1,000 28 246ms 29 Oct 2023 1st Steffan153 🇫🇮 1,000 28 232ms 29 Oct 2023 1st prplz 🇦🇺 1,000 28 257ms 29 Oct 2023 1st sean-niemann 🇺🇸 1,000 28 267ms 25 Mar 2025 8th btnlq 966 29 237ms 21 Feb 2021 8th nwellnhof 🇩🇪 966 29 270ms 25 Oct 2021 8th primo-ppcg 🇹🇭 966 29 267ms 10 Mar 2022 8th GrayJoKing 🇦🇺 966 29 259ms 10 Mar 2022 8th SirBogman 🇺🇸 966 29 246ms 23 Jun 2022 8th MeWhenI 🇻🇦 966 29 272ms 28 Jan 2023 8th stefangimmillaro 966 29 266ms 29 Oct 2023 8th Yewzir 🇧🇪 966 29 259ms 19 Nov 2023 8th dcgjb 966 29 259ms 24 Jan 2024 8th DialFrost 🇸🇬 966 29 281ms 6 Jun 2024 8th bitsandbeyond 🇳🇱 966 29 262ms 20 Oct 2025 8th fuzzylojik-golf 🇺🇸 966 29 247ms 6 hours ago 20th krcs 🇵🇱 933 30 247ms 2 Jan 2022 21st 5quiwyrm 903 31 235ms 5 Sep 2022 21st ovs-code 🇩🇪 903 31 244ms 27 Nov 2022 21st GolfingSuccess 🇬🇷 903 31 241ms 5 Feb 2026 21st madex 🇩🇪 903 31 279ms 15 days ago 25th lynn 875 32 274ms 18 Nov 2021 25th pardouin 🇫🇷 875 32 247ms 3 days ago 27th snoozingnewt 🇨🇦 848 33 300ms 4 Dec 2025 28th romero126 757 37 278ms 8 Jun 2020 28th HumanEquivalentUnit 757 37 314ms 12 Oct 2020 28th janbehrens 🇩🇪 757 37 269ms 3 Dec 2023 31st lahell 718 39 272ms 2 Jul 2020 31st Feniske 🇫🇷 718 39 323ms 1 Aug 2022 31st MaxCastella 🇫🇷 718 39 262ms 8 Aug 2022 31st IISResetMe 718 39 267ms 8 Sep 2025 35th Clebam 🇫🇷 683 41 273ms 28 Aug 2022 35th NicolasBn 🇫🇷 683 41 256ms 28 Aug 2022 35th juliansiebert 🇩🇪 683 41 294ms 2 Mar 2025 38th JPRuskin 🇬🇧 667 42 295ms 24 Apr 2024 39th Irratix 🇳🇱 651 43 265ms 20 Oct 2020 39th Skwerl23 651 43 284ms 6 Feb 2023 41st jborean93 636 44 247ms 3 Jun 2020 41st StevePJp 636 44 275ms 3 Jun 2020 43rd jhoneill 622 45 271ms 5 Jun 2020 43rd Arnaud-beep 🇫🇷 622 45 250ms 31 Aug 2022 45th bielawb 596 47 277ms 4 Jun 2020 46th KevinMarquette 🇺🇸 583 48 246ms 5 Jun 2020 46th janssenu-assurity 583 48 249ms 30 Aug 2022 46th corbob 🇨🇦 583 48 307ms 26 Apr 2024 49th TimCurwick 🇺🇸 571 49 249ms 11 Nov 2020 49th sergeyz7 🇬🇧 571 49 269ms 18 Nov 2020 51st danubie 560 50 301ms 24 Dec 2021 52nd krzydoug 549 51 258ms 6 Jun 2020 53rd northvandrew 528 53 252ms 4 Jun 2020 53rd DocJade 528 53 244ms 12 Aug 2022 53rd kenmich 528 53 259ms 12 May 2023 56th SeeminglyScience 519 54 278ms 3 Jun 2020 56th rholliday 519 54 245ms 26 Feb 2021 58th AJLindner 509 55 252ms 5 Jan 2021 59th waltervos 491 57 271ms 8 Feb 2023 60th rjmholt 475 59 226ms 3 Jun 2020 61st stahler 467 60 267ms 3 Jun 2020 62nd rvdnieuwendijk 🇳🇱 452 62 274ms 12 Aug 2022 63rd TaserTheFox 🇺🇸 444 63 248ms 31 May 2023 64th acolytegerm 438 64 274ms 26 Jul 2020 65th qwertyuiop3 🇷🇺 431 65 273ms 4 Jun 2025 66th ThePSAdmin 424 66 221ms 10 Jun 2020 66th dokutan 424 66 280ms 28 Jul 2024 68th BREMAUCY 🇫🇷 418 67 273ms 5 Aug 2024 69th Msleizak 🇫🇷 378 74 282ms 16 Nov 2023 70th HCRitter 🇩🇪 368 76 281ms 1 Nov 2023 71st bstrautin 337 83 257ms 9 Aug 2020 72nd povce 322 87 257ms 7 Apr 2023 73rd SteveL-MSFT 311 90 238ms 4 Jun 2020 73rd HumanoidCPU 311 90 249ms 9 May 2024 73rd CaedenHarper 🇨🇦 311 90 213ms 16 Aug 2025 76th Codsilla 🇨🇦 304 92 237ms 18 Jul 2020 76th bac0id 304 92 225ms 25 Jan 2021 76th Mabeloid 🇳🇴 304 92 216ms 22 Sep 2024 79th thlac 292 96 220ms 3 Jun 2020 80th retrohun 272 103 236ms 28 Dec 2022 1–80 of 85 Next Last