Happy Numbers (Long) in all languages in chars. 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 Gray Code Decoder Gray Code Encoder 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 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 Chars Time Submitted 721st commandz0 🇺🇸 761 78 25ms 22 Aug 2023 721st ahmetdemirag 🇨🇾 761 78 155ms 11 Feb 2025 721st blaztoma 🇱🇹 761 78 214ms 6 days ago 724th Shanethegamer 🇺🇸 761 100 125ms 19 Sep 2021 724th MichalMarsalek 🇨🇿 761 100 127ms 3 Mar 2022 724th kTheLemon 761 100 2ms 2 Apr 2025 727th DialFrost 🇸🇬 760 112 41ms 13 Feb 2025 728th shawphy 759 78 14ms 12 Oct 2021 729th Shanethegamer 🇺🇸 758 93 2,552ms 27 Oct 2024 730th prplz 🇦🇺 756 91 2ms 19 Dec 2021 730th Irratix 🇳🇱 756 91 2ms 13 Jun 2022 730th solisolu 756 91 2ms 23 days ago 733rd jared-hughes 756 123 503ms 24 Sep 2025 734th Yewzir 🇧🇪 755 99 40ms 18 Dec 2024 735th Irratix 🇳🇱 754 90 141ms 24 Sep 2021 736th jared-hughes 754 101 2ms 17 Mar 2022 737th MeWhenI 🇻🇦 753 95 15ms 23 May 2023 738th trist224 🇫🇷 752 126 436ms 15 Nov 2022 739th gnuvince 751 33 36ms 2 Aug 2024 739th codereport 🇨🇦 751 33 6ms 21 Apr 2025 741st prplz 🇦🇺 751 66 1,470ms 27 Sep 2021 741st DialFrost 🇸🇬 751 66 630ms 10 Oct 2024 743rd OllieBoyne 🇬🇧 751 79 177ms 25 May 2022 743rd 5cw 🇺🇸 751 79 309ms 8 May 2024 743rd bzijlema 🇳🇱 751 79 311ms 11 Oct 2024 743rd jipsong 🇩🇪 751 79 215ms 20 Jun 2025 743rd InigoK 🇺🇸 751 79 173ms 5 Sep 2025 743rd fuzzylojik-golf 🇺🇸 751 79 191ms 15 Sep 2025 749th KasperKivimaeki 🇫🇮 750 157 29ms 19 Feb 2026 750th prplz 🇦🇺 749 55 40ms 18 Dec 2021 750th lynn 749 55 69ms 25 May 2022 750th anter69 🇭🇺 749 55 39ms 25 Jan 2023 750th ovs-code 🇩🇪 749 55 66ms 9 May 2023 750th Natanaelel 🇸🇪 749 55 36ms 10 May 2023 755th yzhs 🇩🇪 749 66 1,505ms 5 Nov 2021 756th alasdair-greenland 749 79 26ms 10 Nov 2021 756th igmcdowell 749 79 13ms 11 Dec 2021 756th dylanarmstrong 749 79 13ms 24 Jan 2024 759th Yewzir 🇧🇪 749 110 442ms 13 Jan 2024 760th m-tkach 🇺🇦 748 75 558ms 20 Jan 2024 761st Shanethegamer 🇺🇸 748 131 28ms 20 Mar 2023 762nd KrausRaus 🇺🇸 747 97 2ms 24 Oct 2023 763rd 386asm 🇺🇸 747 117 40ms 10 Apr 2023 764th Shanethegamer 🇺🇸 746 102 2ms 12 Dec 2022 764th dokutan 746 102 3ms 6 Nov 2025 766th sisyphus-ppcg 🇦🇺 745 89 17ms 4 Feb 2023 766th edsrzf 🇳🇿 745 89 14ms 14 Nov 2025 768th Yewzir 🇧🇪 745 102 476ms 13 Jan 2024 769th albanian-laundromat 🇺🇸 745 113 4ms 10 Dec 2025 770th o0lit3 🇺🇸 744 50 70ms 19 Sep 2021 770th primo-ppcg 🇹🇭 744 50 137ms 20 Sep 2021 770th nwellnhof 🇩🇪 744 50 60ms 26 Dec 2021 770th Lydxn 🇨🇦 744 50 150ms 25 May 2022 774th emgordon154 742 31 320ms 10 Sep 2025 775th primo-ppcg 🇹🇭 742 80 288ms 22 Sep 2021 775th prplz 🇦🇺 742 80 226ms 18 Dec 2021 775th inventshah 742 80 308ms 10 May 2022 775th jhu04 742 80 307ms 18 Jan 2024 775th jtaxen 742 80 297ms 4 Apr 2024 775th namelessiw 742 80 213ms 14 Jul 2024 775th fgrosshans 🇫🇷 742 80 355ms 23 Jul 2024 775th EnTerr 742 80 199ms 8 Sep 2024 775th zacjl 742 80 22ms 12 Apr 2025 775th 77Tigers 742 80 248ms 13 Jan 2026 785th Lv0Sys 🇵🇱 742 111 439ms 28 Feb 2026 786th itsh01 740 80 47ms 4 Oct 2021 786th voytxt 🇨🇿 740 80 12ms 2 Mar 2022 786th dokutan 740 80 23ms 24 Dec 2024 789th snoozingnewt 🇨🇦 740 102 155ms 13 Sep 2025 790th jared-hughes 740 128 70ms 20 Jul 2022 790th Alex-x90 🇺🇸 740 128 63ms 14 Nov 2022 792nd GrayJoKing 🇦🇺 739 72 141ms 3 Aug 2024 792nd emgordon154 739 72 145ms 15 Nov 2024 794th Shanethegamer 🇺🇸 739 93 2ms 3 Apr 2023 794th Yewzir 🇧🇪 739 93 2ms 10 Jan 2024 796th steffan-polygolf 739 103 127ms 19 Feb 2024 797th KatieLG 🇬🇧 738 67 1,818ms 21 Sep 2021 798th AlephSquirrel 738 76 636ms 16 Jan 2024 798th JunkIce 738 76 375ms 3 Dec 2024 800th boxjelly 738 92 164ms 14 Mar 2022 First Prev 721–800 of 2,182 Next Last