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 641st Natanaelel 🇸🇪 796 72 69ms 26 Sep 2023 642nd snoozingnewt 🇨🇦 796 148 331ms 4 Feb 2024 643rd msbranicky 795 91 3ms 11 Oct 2023 644th error256 795 117 403ms 26 days ago 645th Herbert00709 🇵🇱 795 119 60ms 4 Sep 2024 645th error256 795 119 61ms 22 Feb 2026 647th emplv 🇱🇻 795 148 24ms 29 Jun 2022 648th DialFrost 🇸🇬 794 63 245ms 21 Jan 2025 649th dokutan 794 67 215ms 4 Feb 2025 650th Alessandro-Balconi 🇮🇹 794 77 93ms 14 Jul 2023 651st MeWhenI 🇻🇦 794 100 113ms 15 Oct 2022 652nd Shanethegamer 🇺🇸 793 29 80ms 22 Jul 2022 653rd primo-ppcg 🇹🇭 793 61 1,387ms 9 Feb 2022 654th ovs-code 🇩🇪 793 66 10ms 15 Aug 2024 654th sisyphus-ppcg 🇦🇺 793 66 14ms 19 Aug 2024 656th MeWhenI 🇻🇦 793 110 39ms 17 Feb 2023 657th sisyphus-ppcg 🇦🇺 792 96 14ms 7 Apr 2022 657th DialFrost 🇸🇬 792 96 18ms 31 Oct 2024 657th sean-niemann 🇺🇸 792 96 21ms 9 Apr 2025 657th edsrzf 🇳🇿 792 96 12ms 26 Jul 2025 661st wh3n3v3r 🇨🇿 791 75 30ms 13 Nov 2024 662nd MeWhenI 🇻🇦 791 96 123ms 15 Nov 2022 663rd MeWhenI 🇻🇦 791 104 440ms 17 Aug 2023 664th LostSyntax21 🇬🇧 791 149 323ms 8 Jan 2025 665th janbehrens 🇩🇪 789 120 63ms 20 Nov 2022 665th oceko 789 120 61ms 19 Feb 2024 667th albanian-laundromat 🇺🇸 789 149 27ms 28 Dec 2025 668th Shanethegamer 🇺🇸 788 84 127ms 15 Jan 2023 669th namelessiw 788 118 451ms 6 Oct 2025 670th fuzzylojik-golf 🇺🇸 785 107 4ms 12 days ago 671st mousetail 🇳🇱 784 54 19ms 15 Jan 2024 672nd NickTheEASDude 🇺🇸 784 97 18ms 9 May 2024 673rd ian-h-chamberlain 🇺🇸 784 127 124ms 4 Dec 2025 674th Shanethegamer 🇺🇸 783 97 421ms 20 Jun 2022 674th Yax42 🇫🇷 783 97 437ms 7 Jan 2026 676th JunkIce 781 76 23ms 3 Dec 2024 677th NewDefectus 🇮🇱 781 88 2ms 16 Dec 2021 678th Shanethegamer 🇺🇸 780 60 349ms 9 Mar 2023 679th dokutan 778 93 3ms 26 days ago 680th nwellnhof 🇩🇪 777 53 73ms 26 Dec 2021 681st frosster 🇨🇦 776 98 20ms 11 Feb 2026 682nd aposteriorist 🇨🇦 776 106 452ms 5 Mar 2022 683rd Re-Adventures 🇮🇳 776 122 64ms 14 Aug 2022 684th KenanSi 775 32 6ms 24 Feb 2022 684th ashtraypettingzoo 🇺🇸 775 32 6ms 5 Apr 2023 686th DialFrost 🇸🇬 774 104 9ms 10 Mar 2026 687th ListeriaM 773 89 2ms 25 Aug 2023 688th prplz 🇦🇺 772 64 1,317ms 20 Sep 2021 689th DialFrost 🇸🇬 772 129 158ms 5 Apr 2025 690th ovs-code 🇩🇪 771 69 163ms 3 Aug 2024 691st SirBogman 🇺🇸 770 39 278ms 20 Sep 2021 691st yzhs 🇩🇪 770 39 36ms 21 Jun 2022 693rd nwellnhof 🇩🇪 770 77 24ms 8 Aug 2022 693rd bricknellj 770 77 170ms 20 Dec 2022 693rd bob-th 770 77 171ms 24 Jan 2023 693rd AlephSquirrel 770 77 186ms 27 Jan 2023 693rd steffan-polygolf 770 77 14ms 8 Mar 2024 693rd Bulmenisaurus 770 77 193ms 8 Oct 2024 693rd ryyyn 🇺🇸 770 77 141ms 4 Dec 2025 700th ovs-code 🇩🇪 770 127 27ms 26 Dec 2022 701st jared-hughes 769 77 14ms 14 Mar 2022 701st Re-Adventures 🇮🇳 769 77 10ms 14 Aug 2022 701st lyphyser 769 77 11ms 3 Jun 2023 701st helbling 🇨🇭 769 77 11ms 4 Jul 2024 705th ovs-code 🇩🇪 768 73 998ms 15 Jan 2024 705th sisyphus-ppcg 🇦🇺 768 73 1,669ms 16 Jan 2024 705th bizy-coder 768 73 949ms 3 Oct 2024 708th Shanethegamer 🇺🇸 768 93 14ms 8 Apr 2024 709th KatieLG 🇬🇧 768 111 169ms 14 Jan 2023 710th edsrzf 🇳🇿 766 99 19ms 5 Jan 2025 711th emgordon154 766 146 19ms 10 Jun 2025 712th snoozingnewt 🇨🇦 765 92 2,396ms 27 Sep 2025 713th DialFrost 🇸🇬 764 127 115ms 29 Nov 2025 713th emgordon154 764 127 117ms 4 Dec 2025 715th MeWhenI 🇻🇦 764 244 16ms 28 Aug 2023 716th MeWhenI 🇻🇦 763 54 40ms 16 Aug 2022 716th xsot 🇸🇬 763 54 37ms 25 Jul 2023 718th strout 762 89 172ms 15 Aug 2022 719th Babafaba 762 122 440ms 14 Oct 2025 720th commandz0 🇺🇸 761 78 25ms 22 Aug 2023 First Prev 641–720 of 2,098 Next Last