Happy Numbers (Long) 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 Binary Lambda Calculus Calendar 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 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 Binary Lambda Calculus Calendar 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 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 900th junkondo-jp 688 86 13ms 25 Jun 2024 902nd cmayer777 688 136 58ms 7 Jan 2023 902nd snoozingnewt 🇺🇸 688 136 389ms 6 Oct 2025 904th madex 🇩🇪 687 100 2ms 10 Nov 2021 904th Babafaba 687 100 2ms 14 Oct 2025 906th olivermrose 🇺🇸 686 60 93ms 19 Sep 2021 906th adoxography 686 60 48ms 18 Dec 2021 906th jared-hughes 686 60 41ms 9 Sep 2022 906th KatieLG 🇬🇧 686 60 42ms 2 Oct 2025 910th Shanethegamer 🇺🇸 685 124 45ms 20 Sep 2024 911th webmiche 685 145 137ms 11 days ago 912th msbranicky 684 184 28ms 3 Jan 2024 913th Re-Adventures 🇮🇳 683 111 385ms 15 Apr 2025 914th ashtraypettingzoo 🇺🇸 682 44 60ms 16 Feb 2023 915th scpchicken 🇵🇼 682 87 219ms 12 Jan 2022 915th JuliaSzulc 682 87 19ms 16 Mar 2022 915th LHuitre 682 87 19ms 5 Jun 2022 915th betaveros 682 87 376ms 1 Jan 2023 915th croc54 682 87 218ms 8 Jan 2025 915th LostSyntax21 🇬🇧 682 87 195ms 8 Mar 2025 915th andrewjc2000 682 87 25ms 11 Aug 2025 922nd ForkKILLET 🇨🇳 680 87 829ms 10 Oct 2021 922nd uttumuttu 🇫🇮 680 87 10ms 4 Jan 2022 922nd Yewzir 🇧🇪 680 87 10ms 13 Jan 2024 925th steffan-polygolf 680 112 3ms 19 Feb 2024 926th Shanethegamer 🇺🇸 679 145 152ms 4 Oct 2024 927th MeWhenI 🇻🇦 678 69 682ms 15 Feb 2023 928th I-Love-47 🇺🇦 678 138 56ms 9 Feb 2022 929th emgordon154 676 224 1,576ms 16 Sep 2025 930th dokutan 675 112 13ms 5 May 2024 931st Yewzir 🇧🇪 674 83 469ms 15 Jan 2024 932nd Waffle3z 674 88 19ms 19 Sep 2021 932nd TaserTheFox 🇺🇸 674 88 20ms 28 Feb 2023 932nd tobyLovick 674 88 20ms 12 Dec 2023 932nd Dataen 674 88 281ms 12 Jan 2024 932nd yuchuehw 674 88 22ms 28 Jan 2024 932nd Masttest 674 88 19ms 13 Feb 2024 932nd dirckvdende 674 88 392ms 2 Aug 2025 939th GolfingSuccess 🇬🇷 673 79 10ms 8 Oct 2024 940th Re-Adventures 🇮🇳 673 102 2ms 14 Aug 2022 941st heanyang1 673 175 264ms 29 May 2025 942nd snoozingnewt 🇺🇸 673 187 27ms 16 Oct 2025 943rd Shanethegamer 🇺🇸 672 91 81ms 14 Dec 2022 944th JGDoerrer 671 148 122ms 5 Feb 2022 945th Yewzir 🇧🇪 670 113 120ms 14 Jan 2024 946th msbranicky 668 70 321ms 15 Jan 2024 947th yokasuretsu 667 45 198ms 16 Nov 2021 948th jupj 🇫🇮 667 103 6ms 15 Oct 2022 949th Lydxn 🇨🇦 667 139 310ms 25 Apr 2022 949th Steffan153 🇫🇮 667 139 332ms 5 Mar 2023 951st retrohun 666 75 152ms 22 Sep 2021 952nd HumanoidCPU 666 84 399ms 23 Jun 2024 953rd TimHuisman1703 666 89 221ms 7 Jan 2022 953rd Anonymousellama21 666 89 2,462ms 27 Jun 2022 953rd yourlefthandman 666 89 267ms 17 Aug 2023 953rd msbranicky 666 89 258ms 5 Oct 2023 953rd luyckxrobbe 666 89 19ms 20 Nov 2023 953rd madex 🇩🇪 666 89 12ms 13 Jun 2024 953rd rollershutter 666 89 287ms 2 Jul 2024 953rd Mabeloid 🇳🇴 666 89 14ms 18 Sep 2024 953rd Lv0Sys 🇵🇱 666 89 19ms 30 May 2025 953rd mossiegoat 666 89 15ms 10 Jul 2025 963rd Yax42 🇫🇷 665 114 373ms 15 Aug 2025 964th ibeucaly 665 177 257ms 20 Nov 2021 965th Babafaba 664 62 51ms 15 Oct 2025 966th MathisBullinger 664 89 10ms 16 Nov 2021 966th tapio-salonen 664 89 10ms 22 Jun 2022 966th weliveinhell 🇭🇹 664 89 16ms 23 Sep 2023 969th Yewzir 🇧🇪 664 92 81ms 14 Jan 2024 970th MeWhenI 🇻🇦 664 128 1,280ms 7 Jun 2023 971st snoozingnewt 🇺🇸 663 114 14ms 30 Sep 2025 972nd TimCurwick 🇺🇸 660 75 1,880ms 5 Nov 2021 972nd Shanethegamer 🇺🇸 660 75 367ms 6 Feb 2023 974th stefangimmillaro 660 99 4ms 2 Jul 2023 975th inverseLorentz 🇦🇺 659 90 285ms 3 May 2024 First Prev 901–975 of 1,978 Next Last