Happy Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 151st lynn 929 54 15 Nov 2021 151st MeWhenI 🇻🇦 929 54 15 Nov 2021 151st Lydxn 🇨🇦 929 54 16 Nov 2021 151st GrayJoKing 🇦🇺 929 54 18 Nov 2021 151st btnlq 929 54 18 Nov 2021 151st annaproxy 929 54 5 Jan 2022 151st JayXon 🇺🇸 929 54 15 Feb 2022 151st Steffan153 🇫🇮 929 54 25 Sep 2022 151st IanUtley 929 54 17 Nov 2022 151st Yewzir 🇧🇪 929 54 11 Nov 2023 151st Betuaredead 929 54 12 Nov 2023 151st ovs-code 🇩🇪 929 54 30 Jun 2024 151st sean-niemann 🇺🇸 929 54 13 Apr 2025 151st DialFrost 🇸🇬 929 54 14 Apr 2025 165th sean-niemann 🇺🇸 928 42 18 days ago 166th lukegustafson 🇺🇸 928 46 2 Sep 2024 166th JayXon 🇺🇸 928 46 2 Sep 2024 168th Lydxn 🇨🇦 927 47 16 Jul 2023 169th Frowny 924 51 3 Jul 2020 170th Lydxn 🇨🇦 924 53 16 May 2022 170th GrayJoKing 🇦🇺 924 53 16 May 2022 170th Shanethegamer 🇺🇸 924 53 18 May 2022 170th Steffan153 🇫🇮 924 53 1 Oct 2022 170th JayXon 🇺🇸 924 53 20 Mar 2023 170th Yewzir 🇧🇪 924 53 9 Nov 2023 170th Betuaredead 924 53 13 Nov 2023 170th pardouin 🇫🇷 924 53 3 Sep 2024 170th sean-niemann 🇺🇸 924 53 18 Apr 2025 179th sean-niemann 🇺🇸 924 60 29 Oct 2022 179th Lydxn 🇨🇦 924 60 30 Oct 2022 179th sisyphus-ppcg 🇦🇺 924 60 3 Nov 2022 179th primo-ppcg 🇹🇭 924 60 19 Nov 2022 179th clockworknazo 924 60 19 Nov 2022 179th Steffan153 🇫🇮 924 60 28 Jan 2023 179th xsot 🇸🇬 924 60 25 Jul 2023 179th DialFrost 🇸🇬 924 60 14 Sep 2023 179th fuzzylojik-golf 🇺🇸 924 60 19 days ago 188th MeWhenI 🇻🇦 923 43 22 Mar 2024 189th MeWhenI 🇻🇦 923 53 11 Nov 2021 189th HPWiz 🇳🇿 923 53 18 Mar 2022 191st andersk 🇺🇸 923 68 22 Oct 2022 192nd JayXon 🇺🇸 922 55 9 Jul 2021 192nd btnlq 922 55 28 Dec 2022 194th Lydxn 🇨🇦 921 59 14 Oct 2022 194th JayXon 🇺🇸 921 59 14 Oct 2022 194th MeWhenI 🇻🇦 921 59 17 Oct 2022 194th Steffan153 🇫🇮 921 59 9 Aug 2024 194th sean-niemann 🇺🇸 921 59 23 Dec 2024 199th Steffan153 🇫🇮 920 56 13 Dec 2022 199th MeWhenI 🇻🇦 920 56 13 Dec 2022 199th Lydxn 🇨🇦 920 56 13 Dec 2022 199th ovs-code 🇩🇪 920 56 21 Apr 2024 199th DialFrost 🇸🇬 920 56 26 Dec 2024 199th sean-niemann 🇺🇸 920 56 20 Feb 2025 205th Lydxn 🇨🇦 919 56 14 Jun 2022 206th alo-gin 918 32 19 Oct 2018 207th Steffan153 🇫🇮 917 42 14 May 2023 208th marcin7Cd 915 75 15 Feb 2021 208th primo-ppcg 🇹🇭 915 75 1 Mar 2021 208th kg583 🇺🇸 915 75 21 Oct 2024 208th CLOStrophobic 🇮🇹 915 75 14 Feb 2025 208th edsrzf 🇳🇿 915 75 11 Apr 2025 213th btnlq 914 80 11 Jun 2023 213th saito-ta 🇯🇵 914 80 11 Jun 2023 215th Natanaelel 🇸🇪 913 34 7 Oct 2021 215th Lydxn 🇨🇦 913 34 21 Feb 2023 217th primo-ppcg 🇹🇭 913 50 3 Jul 2023 218th Lydxn 🇨🇦 913 61 14 Jun 2022 219th Bubbler-4 912 30 2 Feb 2022 219th ovs-code 🇩🇪 912 30 17 Aug 2023 221st JayXon 🇺🇸 912 68 28 Feb 2022 221st Lydxn 🇨🇦 912 68 28 Feb 2022 221st sean-niemann 🇺🇸 912 68 23 Dec 2024 224th nwellnhof 🇩🇪 912 93 6 Jan 2021 224th Steffan153 🇫🇮 912 93 9 Aug 2024 First Prev 151–225 of 3,041 Next Last