√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 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 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 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 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 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 870th sciencedjinn 694 69 17ms 8 Nov 2024 870th Unknownuserfrommars 694 69 17ms 21 Nov 2024 870th yokasuretsu 694 69 13ms 31 Dec 2024 870th clayboll99 694 69 15ms 10 Jul 2025 905th snoozingnewt 🇺🇸 694 88 364ms 24 days ago 906th janbehrens 🇩🇪 692 72 41ms 30 Dec 2023 906th emgordon154 692 72 74ms 4 Aug 2024 908th SmartK8 🇨🇿 691 122 448ms 1 Nov 2022 908th tomh1012 691 122 363ms 8 Sep 2025 910th MeWhenI 🇻🇦 690 29 664ms 25 Jul 2022 910th lifthrasiir 🇰🇷 690 29 55ms 5 Dec 2024 912th annaproxy 688 49 76ms 27 Aug 2022 912th anter69 🇭🇺 688 49 35ms 19 Apr 2024 912th croc54 688 49 32ms 10 Dec 2024 915th RustemB 🇷🇺 685 41 122ms 26 Feb 2020 916th petar-donchev 684 70 50ms 1 Sep 2019 916th cubed-guy 684 70 50ms 20 Sep 2021 916th kenny14231 684 70 13ms 9 Oct 2021 916th GioacchinoGT02 684 70 18ms 3 Dec 2024 920th yzhs 🇩🇪 684 86 136ms 24 Jul 2021 920th strout 684 86 142ms 26 Aug 2022 922nd MeWhenI 🇻🇦 684 232 47ms 6 Jun 2023 923rd m-tkach 🇺🇦 684 259 62ms 27 Jun 2022 924th aliakseikalosha 680 124 531ms 17 Oct 2024 925th duckyluuk 🇳🇱 679 90 717ms 25 Sep 2025 926th juliansiebert 🇩🇪 678 68 186ms 3 Aug 2022 927th primo-ppcg 🇹🇭 676 196 2,259ms 3 Feb 2022 928th teddyward 675 71 13ms 9 Jan 2021 928th xkacer 🇨🇿 675 71 13ms 25 Jan 2021 928th sadfun 675 71 14ms 29 Jan 2021 928th ArmaanAS 675 71 13ms 24 Mar 2021 928th classAndrew 675 71 16ms 1 Aug 2021 928th SpareManiKatti 675 71 10ms 10 Sep 2021 928th JGDoerrer 675 71 14ms 22 Jan 2022 928th lovernj 675 71 13ms 7 Feb 2022 928th elephantpanda 675 71 11ms 31 Aug 2022 928th sandorstormen 675 71 14ms 25 Nov 2022 928th Vinterion 675 71 12ms 24 Jul 2023 928th sulphemi 675 71 14ms 5 Oct 2023 928th dal548 675 71 13ms 12 Jun 2024 928th Mabeloid 🇳🇴 675 71 16ms 6 Sep 2024 928th rustykitty 🇺🇸 675 71 18ms 8 days ago 943rd Shanethegamer 🇺🇸 671 111 478ms 5 Mar 2022 944th MeWhenI 🇻🇦 669 193 130ms 3 Sep 2023 945th Natanaelel 🇸🇪 668 42 94ms 19 Feb 2023 946th dcgjb 668 69 1,588ms 13 May 2024 947th Wheatwizard 668 88 224ms 19 Jul 2019 948th SirBogman 🇺🇸 668 151 76ms 30 May 2023 949th paralysedforce 665 72 26ms 24 Nov 2020 949th AkashTandon167 665 72 10ms 1 Nov 2021 949th Bananapants22 665 72 18ms 16 Aug 2022 949th CatsAreFluffy 665 72 16ms 19 Feb 2023 953rd helbling 🇨🇭 665 75 60ms 4 Jun 2024 954th Steffan153 🇫🇮 664 52 44ms 29 Aug 2024 955th CheeseCake628 🇳🇴 662 67 495ms 17 Jan 2024 956th prplz 🇦🇺 661 51 108ms 2 Feb 2020 956th Irratix 🇳🇱 661 51 66ms 1 Jul 2022 958th MeWhenI 🇻🇦 660 196 4ms 12 Aug 2024 959th dokutan 658 47 1,022ms 30 Aug 2025 959th CaedenHarper 🇨🇦 658 47 1,058ms 6 Sep 2025 961st stefangimmillaro 658 110 127ms 3 Oct 2023 962nd janbehrens 🇩🇪 658 128 440ms 21 Nov 2021 963rd yzhs 🇩🇪 656 50 192ms 21 Jun 2022 963rd Andriamanitra 🇫🇮 656 50 166ms 23 Sep 2022 965th trist224 🇫🇷 656 73 12ms 25 Dec 2022 965th TaserTheFox 🇺🇸 656 73 24ms 9 Feb 2023 965th Datadramah 656 73 15ms 12 Jan 2024 965th jacekwladzinski 656 73 14ms 27 days ago 969th shuding 656 76 59ms 28 Apr 2020 969th thisishowmymindworks 🇳🇴 656 76 18ms 14 Oct 2020 969th coreynash 656 76 26ms 21 Mar 2024 972nd msbranicky 653 68 361ms 16 Jan 2024 972nd Stockoh 🇫🇷 653 68 441ms 24 Jun 2024 972nd Lv0Sys 🇵🇱 653 68 419ms 30 May 2025 975th dokutan 650 199 4ms 12 Aug 2024 First Prev 901–975 of 2,744 Next Last