The Hilbert Curve hole will go live in approximately 3 days. Why not try and solve it ahead of time?
√2 in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 365th dokutan 903 124 31 Dec 2023 365th bac0id 903 124 23 Feb 2024 365th tigerdan2 🇩🇪 903 124 11 Jan 2025 379th sean-niemann 🇺🇸 903 143 30 Dec 2024 380th GrayJoKing 🇦🇺 899 145 2 Feb 2024 381st sean-niemann 🇺🇸 898 94 25 Jun 2025 382nd primo-ppcg 🇹🇭 898 229 4 Oct 2020 383rd sean-niemann 🇺🇸 897 88 15 Jul 2025 384th FlorianCassayre 🇫🇷 897 100 19 Jul 2025 385th Steffan153 🇫🇮 897 113 31 Aug 2024 386th aioobe 896 125 22 Apr 2020 386th neihousaigaai 896 125 11 May 2021 386th cbrt-x 896 125 28 Aug 2021 386th Irratix 🇳🇱 896 125 24 Sep 2021 386th emgordon154 896 125 29 Nov 2021 386th jared-hughes 896 125 15 Feb 2022 386th crizin 🇰🇷 896 125 15 Sep 2023 386th ovs-code 🇩🇪 896 125 10 Dec 2023 386th DialFrost 🇸🇬 896 125 24 Oct 2024 395th HPWiz 🇳🇿 896 148 12 Oct 2023 396th ovs-code 🇩🇪 895 61 25 Jan 2024 396th pardouin 🇫🇷 895 61 24 Jun 2025 398th JayXon 🇺🇸 894 81 16 Oct 2022 398th Steffan153 🇫🇮 894 81 10 Apr 2023 398th sean-niemann 🇺🇸 894 81 23 Mar 2025 401st primo-ppcg 🇹🇭 894 134 21 Jun 2022 402nd Lydxn 🇨🇦 893 50 9 Jan 2022 403rd primo-ppcg 🇹🇭 893 68 13 Sep 2023 404th primo-ppcg 🇹🇭 893 113 26 Apr 2025 405th ovs-code 🇩🇪 892 86 22 Feb 2025 406th saito-ta 🇯🇵 891 382 1 Aug 2023 407th GrayJoKing 🇦🇺 890 46 15 Sep 2023 408th tomtheisen 🇺🇸 890 56 28 Sep 2020 408th nathanadams 🇳🇿 890 56 14 Sep 2021 408th GrayJoKing 🇦🇺 890 56 11 Nov 2023 408th CaedenHarper 🇨🇦 890 56 4 days ago 412th jacobly0 🇺🇸 890 153 11 Sep 2023 412th primo-ppcg 🇹🇭 890 153 9 Jun 2024 414th Steffan153 🇫🇮 889 59 29 Aug 2024 415th ovs-code 🇩🇪 888 51 10 Dec 2023 415th DialFrost 🇸🇬 888 51 10 Dec 2023 415th Steffan153 🇫🇮 888 51 12 Dec 2023 415th MeWhenI 🇻🇦 888 51 13 Dec 2023 415th dokutan 888 51 26 Dec 2023 420th Steffan153 🇫🇮 888 95 31 Aug 2024 421st jared-hughes 888 281 22 Jul 2023 422nd prplz 🇦🇺 887 54 25 Oct 2019 422nd TFeld00 🇩🇰 887 54 4 Nov 2020 422nd jmerle 🇳🇱 887 54 22 Jan 2022 422nd vang1ong7ang 887 54 11 Apr 2023 422nd Yewzir 🇧🇪 887 54 1 May 2023 422nd SB-945 887 54 6 Feb 2024 422nd InigoK 🇺🇸 887 54 12 days ago 429th btnlq 887 95 3 Mar 2023 430th sean-niemann 🇺🇸 887 129 27 Mar 2025 431st GrayJoKing 🇦🇺 887 139 4 Mar 2025 432nd MeWhenI 🇻🇦 886 82 12 Jun 2021 433rd primo-ppcg 🇹🇭 886 200 12 May 2023 434th marshallward 🇺🇸 885 114 28 Jun 2023 435th sean-niemann 🇺🇸 884 114 16 Mar 2025 436th GrayJoKing 🇦🇺 884 179 7 Feb 2024 437th GrayJoKing 🇦🇺 883 146 7 Feb 2024 438th JayXon 🇺🇸 880 69 15 Aug 2023 439th primo-ppcg 🇹🇭 879 96 19 Nov 2022 440th ovs-code 🇩🇪 877 32 6 Jan 2024 441st Lydxn 🇨🇦 877 85 7 Mar 2022 441st ovs-code 🇩🇪 877 85 16 Jun 2024 443rd primo-ppcg 🇹🇭 877 146 16 Aug 2023 444th annaproxy 876 51 27 Oct 2023 444th ovs-code 🇩🇪 876 51 30 Jun 2024 446th epic-programmer-guy 875 128 9 Jan 2024 447th doge1338 874 57 7 Sep 2021 447th GeorgeStechman 🇬🇧 874 57 17 Jun 2022 447th two-bad 🇬🇧 874 57 4 Dec 2023 447th jbt 874 57 26 Dec 2023 Prev 376–450 of 2,709 Next