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 150th JayXon 🇺🇸 929 52 10 Sep 2022 150th btnlq 929 52 11 Sep 2022 153rd lynn 929 54 15 Nov 2021 153rd MeWhenI 🇻🇦 929 54 15 Nov 2021 153rd Lydxn 🇨🇦 929 54 16 Nov 2021 153rd GrayJoKing 🇦🇺 929 54 18 Nov 2021 153rd btnlq 929 54 18 Nov 2021 153rd annaproxy 929 54 5 Jan 2022 153rd JayXon 🇺🇸 929 54 15 Feb 2022 153rd Steffan153 🇫🇮 929 54 25 Sep 2022 153rd IanUtley 929 54 17 Nov 2022 153rd Yewzir 🇧🇪 929 54 11 Nov 2023 153rd Betuaredead 929 54 12 Nov 2023 153rd ovs-code 🇩🇪 929 54 30 Jun 2024 153rd sean-niemann 🇺🇸 929 54 13 Apr 2025 153rd DialFrost 🇸🇬 929 54 14 Apr 2025 167th sean-niemann 🇺🇸 928 42 21 days ago 168th lukegustafson 🇺🇸 928 46 2 Sep 2024 168th JayXon 🇺🇸 928 46 2 Sep 2024 170th Lydxn 🇨🇦 927 47 16 Jul 2023 171st Frowny 924 51 3 Jul 2020 172nd Lydxn 🇨🇦 924 53 16 May 2022 172nd GrayJoKing 🇦🇺 924 53 16 May 2022 172nd Shanethegamer 🇺🇸 924 53 18 May 2022 172nd Steffan153 🇫🇮 924 53 1 Oct 2022 172nd JayXon 🇺🇸 924 53 20 Mar 2023 172nd Yewzir 🇧🇪 924 53 9 Nov 2023 172nd Betuaredead 924 53 13 Nov 2023 172nd pardouin 🇫🇷 924 53 3 Sep 2024 172nd sean-niemann 🇺🇸 924 53 18 Apr 2025 181st sean-niemann 🇺🇸 924 60 29 Oct 2022 181st Lydxn 🇨🇦 924 60 30 Oct 2022 181st sisyphus-ppcg 🇦🇺 924 60 3 Nov 2022 181st primo-ppcg 🇹🇭 924 60 19 Nov 2022 181st clockworknazo 924 60 19 Nov 2022 181st Steffan153 🇫🇮 924 60 28 Jan 2023 181st xsot 🇸🇬 924 60 25 Jul 2023 181st DialFrost 🇸🇬 924 60 14 Sep 2023 181st fuzzylojik-golf 🇺🇸 924 60 22 days ago 190th MeWhenI 🇻🇦 923 43 22 Mar 2024 191st MeWhenI 🇻🇦 923 53 11 Nov 2021 191st HPWiz 🇳🇿 923 53 18 Mar 2022 193rd andersk 🇺🇸 923 68 22 Oct 2022 194th JayXon 🇺🇸 922 55 9 Jul 2021 194th btnlq 922 55 28 Dec 2022 196th Lydxn 🇨🇦 921 59 14 Oct 2022 196th JayXon 🇺🇸 921 59 14 Oct 2022 196th MeWhenI 🇻🇦 921 59 17 Oct 2022 196th Steffan153 🇫🇮 921 59 9 Aug 2024 196th sean-niemann 🇺🇸 921 59 23 Dec 2024 201st Steffan153 🇫🇮 920 56 13 Dec 2022 201st MeWhenI 🇻🇦 920 56 13 Dec 2022 201st Lydxn 🇨🇦 920 56 13 Dec 2022 201st ovs-code 🇩🇪 920 56 21 Apr 2024 201st DialFrost 🇸🇬 920 56 26 Dec 2024 201st sean-niemann 🇺🇸 920 56 20 Feb 2025 207th Lydxn 🇨🇦 919 56 14 Jun 2022 208th alo-gin 918 32 19 Oct 2018 209th Steffan153 🇫🇮 917 42 14 May 2023 210th marcin7Cd 915 75 15 Feb 2021 210th primo-ppcg 🇹🇭 915 75 1 Mar 2021 210th kg583 🇺🇸 915 75 21 Oct 2024 210th CLOStrophobic 🇮🇹 915 75 14 Feb 2025 210th edsrzf 🇳🇿 915 75 11 Apr 2025 215th btnlq 914 80 11 Jun 2023 215th saito-ta 🇯🇵 914 80 11 Jun 2023 217th Natanaelel 🇸🇪 913 34 7 Oct 2021 217th Lydxn 🇨🇦 913 34 21 Feb 2023 219th primo-ppcg 🇹🇭 913 50 3 Jul 2023 220th Lydxn 🇨🇦 913 61 14 Jun 2022 221st Bubbler-4 912 30 2 Feb 2022 221st ovs-code 🇩🇪 912 30 17 Aug 2023 223rd JayXon 🇺🇸 912 68 28 Feb 2022 223rd Lydxn 🇨🇦 912 68 28 Feb 2022 223rd sean-niemann 🇺🇸 912 68 23 Dec 2024 First Prev 151–225 of 3,044 Next Last