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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 451st MeWhenI 🇻🇦 830 94 9 May 2024 452nd Shanethegamer 🇺🇸 830 102 20 Mar 2023 453rd primo-ppcg 🇹🇭 829 91 2 Apr 2022 453rd Ripick 829 91 1 Feb 2023 455th DialFrost 🇸🇬 829 152 22 Nov 2024 456th Shanethegamer 🇺🇸 828 31 13 Jan 2022 457th MeWhenI 🇻🇦 828 113 29 Nov 2022 458th snoozingnewt 🇺🇸 827 83 1 Sep 2024 458th pardouin 🇫🇷 827 83 8 Oct 2024 458th LostSyntax21 🇬🇧 827 83 8 Jan 2025 461st stackofbears 827 99 21 Mar 2022 462nd Shanethegamer 🇺🇸 825 120 13 Jan 2022 462nd MeWhenI 🇻🇦 825 120 9 May 2023 462nd emgordon154 825 120 14 Mar 2025 465th ovs-code 🇩🇪 825 166 29 Mar 2025 465th emgordon154 825 166 21 May 2025 467th MeWhenI 🇻🇦 824 91 5 Sep 2023 468th prplz 🇦🇺 824 103 18 Dec 2021 469th GrayJoKing 🇦🇺 823 50 19 Sep 2021 469th janlelis 823 50 20 Sep 2021 469th JayXon 🇺🇸 823 50 28 Sep 2021 469th sisyphus-ppcg 🇦🇺 823 50 6 May 2022 469th radarek 🇵🇱 823 50 25 May 2022 469th sean-niemann 🇺🇸 823 50 23 Dec 2024 469th pardouin 🇫🇷 823 50 9 Apr 2025 469th stefangimmillaro 823 50 27 May 2025 477th RYNO8 823 72 28 Sep 2021 477th FlorianCassayre 🇫🇷 823 72 18 Sep 2023 477th tobeannouncd 823 72 25 Apr 2025 480th inventshah 822 60 29 Sep 2023 480th emgordon154 822 60 18 Nov 2024 482nd sean-niemann 🇺🇸 822 106 21 Apr 2023 483rd sean-niemann 🇺🇸 821 28 22 Jul 2022 483rd lynn 821 28 22 Jul 2022 483rd MeWhenI 🇻🇦 821 28 23 Jul 2022 483rd sisyphus-ppcg 🇦🇺 821 28 24 Jul 2022 483rd jared-hughes 821 28 29 Jul 2022 483rd AlephSquirrel 821 28 30 Dec 2022 483rd Steffan153 🇫🇮 821 28 12 Jan 2023 483rd DialFrost 🇸🇬 821 28 28 Jan 2023 483rd CornerMercury 🇬🇧 821 28 24 Aug 2023 483rd ovs-code 🇩🇪 821 28 2 Feb 2024 483rd snoozingnewt 🇺🇸 821 28 1 Sep 2024 483rd pardouin 🇫🇷 821 28 21 Sep 2024 483rd LostSyntax21 🇬🇧 821 28 8 Jan 2025 483rd edsrzf 🇳🇿 821 28 9 Mar 2025 483rd CaedenHarper 🇨🇦 821 28 26 days ago 498th neihousaigaai 821 72 2 Oct 2021 498th stefangimmillaro 821 72 29 Sep 2023 498th two-bad 🇬🇧 821 72 25 Feb 2024 501st IanUtley 821 92 24 Oct 2023 502nd inventshah 821 98 10 Sep 2022 502nd MeWhenI 🇻🇦 821 98 16 Aug 2023 504th Shanethegamer 🇺🇸 820 114 18 Dec 2022 504th Yewzir 🇧🇪 820 114 14 Jan 2024 506th andersk 🇺🇸 818 121 31 Oct 2022 507th janbehrens 🇩🇪 818 154 20 Sep 2021 508th sean-niemann 🇺🇸 816 86 30 Oct 2024 509th jared-hughes 815 83 11 Sep 2023 510th sean-niemann 🇺🇸 815 92 8 Oct 2024 511th Shanethegamer 🇺🇸 815 168 27 Mar 2025 512th Yewzir 🇧🇪 814 107 14 Jan 2024 513th bizy-coder 812 73 3 Oct 2024 513th Rubiksmath 812 73 19 Oct 2024 515th Shanethegamer 🇺🇸 812 90 9 Oct 2023 515th MeWhenI 🇻🇦 812 90 10 Oct 2023 517th snoozingnewt 🇺🇸 811 66 1 Sep 2024 517th LostSyntax21 🇬🇧 811 66 8 Jan 2025 519th Shanethegamer 🇺🇸 811 101 13 Apr 2023 519th emgordon154 811 101 26 May 2025 521st janbehrens 🇩🇪 810 73 20 Sep 2021 521st didion0 🇺🇸 810 73 23 Nov 2021 521st KatieLG 🇬🇧 810 73 5 Apr 2022 521st emgordon154 810 73 7 Nov 2024 525th edsrzf 🇳🇿 808 88 7 Jun 2025 Prev 451–525 of 1,837 Next