The Hilbert Curve hole will go live in approximately 2 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 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 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 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 676th varhammer 🇷🇺 769 55 20 Aug 2021 676th fuzzylojik-golf 🇺🇸 769 55 17 days ago 678th PatrickStephansen 🇿🇦 767 65 5 Mar 2021 678th gigaprofisi 🇺🇸 767 65 25 Jul 2025 680th mpldr 🇩🇪 767 117 26 Nov 2023 681st dokutan 765 58 2 Mar 2024 681st Herbert00709 🇵🇱 765 58 13 May 2024 681st JunkIce 765 58 13 Mar 2025 684th LlamaLad7 🇬🇧 762 147 17 Jan 2021 685th Secozzi 760 63 4 Nov 2020 685th georgehulme 760 63 28 Jan 2022 685th cyxv 760 63 30 Jun 2022 685th ei14 760 63 7 May 2024 685th LostSyntax21 🇬🇧 760 63 25 Sep 2024 685th DraigRygbi 760 63 19 Dec 2024 685th Pyroan 760 63 10 Mar 2025 692nd SirBogman 🇺🇸 756 61 9 Jun 2020 693rd jared-hughes 756 119 7 Feb 2023 694th primo-ppcg 🇹🇭 752 36 6 Dec 2020 695th namelessiw 752 59 5 Mar 2024 695th HumanoidCPU 752 59 29 Aug 2024 695th KatieLG 🇬🇧 752 59 28 Oct 2024 698th ordinary-slim 748 64 20 Nov 2022 699th primo-ppcg 🇹🇭 748 73 25 Nov 2021 699th anter69 🇭🇺 748 73 19 Apr 2024 701st bendapootie 748 120 18 Jul 2020 701st cure-honey 🇯🇵 748 120 23 Jun 2021 703rd dokutan 746 44 26 Mar 2023 704th SirBogman 🇺🇸 746 113 9 Jan 2024 705th duckyluuk 🇳🇱 745 62 27 Oct 2024 706th SirBogman 🇺🇸 745 138 28 May 2023 707th prplz 🇦🇺 744 62 12 Jun 2020 708th sean-niemann 🇺🇸 744 161 7 Aug 2023 709th m-tkach 🇺🇦 743 213 31 Jan 2024 710th GrayJoKing 🇦🇺 742 57 17 Dec 2020 711th emgordon154 742 61 10 Dec 2024 712th AlephSquirrel 741 27 24 Jul 2022 712th saito-ta 🇯🇵 741 27 26 Jul 2022 712th GrayJoKing 🇦🇺 741 27 25 Aug 2022 712th ovs-code 🇩🇪 741 27 26 Jun 2024 716th HPWiz 🇳🇿 740 69 18 Jan 2025 717th acotis 740 182 28 Jun 2025 718th michelebastione 🇮🇹 737 65 30 Jun 2019 718th trillllian 737 65 6 Sep 2020 718th munchkinduncan 737 65 17 Jan 2021 718th OllieBoyne 🇬🇧 737 65 2 Jun 2021 718th Manby 737 65 7 Jul 2021 718th cbondurant 737 65 6 Jul 2022 718th andre-de-lorde 737 65 9 Sep 2022 718th 5space 737 65 11 Sep 2022 718th trinityy-7 737 65 13 Sep 2023 718th xyangst 737 65 1 Oct 2024 718th Flekay 🇩🇪 737 65 10 Jul 2025 718th RaBa21 🇭🇺 737 65 18 Jul 2025 718th ahmetdemirag 🇨🇾 737 65 30 Jul 2025 731st ovs-code 🇩🇪 737 107 18 Jul 2025 732nd dokutan 733 63 24 Oct 2024 733rd cywong-amino 🇭🇰 733 68 2 Jul 2020 733rd tayloia 🇬🇧 733 68 15 May 2023 735th annaproxy 733 115 27 Oct 2023 736th Herbert00709 🇵🇱 729 141 25 Oct 2024 737th kohlrabi 726 66 5 Feb 2020 737th stordev 726 66 26 Feb 2021 737th lmolteno 726 66 9 Mar 2021 737th dillon-duncando 726 66 6 Dec 2021 737th NDR0216 🇹🇼 726 66 13 Feb 2023 737th quimey 726 66 6 Mar 2023 737th roupiq 🇵🇱 726 66 21 Feb 2024 737th wh3n3v3r 🇨🇿 726 66 8 Nov 2024 737th ImpressedByRocks 726 66 24 May 2025 746th Irratix 🇳🇱 726 81 1 Oct 2021 747th stefangimmillaro 726 116 18 Jul 2023 748th MeWhenI 🇻🇦 724 103 28 Feb 2022 749th jared-hughes 724 142 7 Feb 2023 750th Herbert00709 🇵🇱 722 64 29 Oct 2024 Prev 676–750 of 2,708 Next