Collatz 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 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 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 Mandelbrot 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Mandelbrot 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 298th JayXon 🇺🇸 911 71 8 May 2022 298th Steffan153 🇫🇮 911 71 9 Mar 2023 298th Shanethegamer 🇺🇸 911 71 15 May 2023 298th MeWhenI 🇻🇦 911 71 8 Aug 2023 298th sean-niemann 🇺🇸 911 71 9 Jan 2025 306th Bubbler-4 910 33 6 May 2022 306th rak1507 🇬🇧 910 33 8 May 2022 306th ngn 🇧🇬 910 33 11 May 2022 306th zacjl 910 33 16 days ago 306th GrayJoKing 🇦🇺 910 33 15 days ago 311th primo-ppcg 🇹🇭 910 61 6 May 2022 311th sisyphus-ppcg 🇦🇺 910 61 14 Jul 2022 313th Steffan153 🇫🇮 910 71 10 Dec 2022 314th sean-niemann 🇺🇸 910 108 25 May 2024 315th Steffan153 🇫🇮 909 71 14 Oct 2022 315th Shanethegamer 🇺🇸 909 71 15 Oct 2022 315th stefangimmillaro 909 71 16 Oct 2022 315th MeWhenI 🇻🇦 909 71 16 Oct 2022 319th annaproxy 909 78 13 Jan 2023 319th IanUtley 909 78 12 Nov 2023 319th GrayJoKing 🇦🇺 909 78 28 Nov 2023 322nd Shanethegamer 🇺🇸 909 86 15 May 2023 322nd JayXon 🇺🇸 909 86 15 May 2023 322nd Steffan153 🇫🇮 909 86 16 May 2023 322nd Lydxn 🇨🇦 909 86 16 May 2023 322nd GrayJoKing 🇦🇺 909 86 11 Aug 2023 322nd sean-niemann 🇺🇸 909 86 11 Jul 2024 328th Lydxn 🇨🇦 908 47 5 May 2022 329th andersk 🇺🇸 908 91 25 Oct 2022 329th Super-Pizza 🇨🇦 908 91 4 Dec 2022 329th klixel 🇨🇦 908 91 20 May 2023 329th lynn 908 91 6 Jul 2024 329th edsrzf 🇳🇿 908 91 29 Nov 2024 329th DialFrost 🇸🇬 908 91 7 Apr 2025 335th tailorspy 908 93 27 May 2024 335th sean-niemann 🇺🇸 908 93 11 days ago 337th JayXon 🇺🇸 907 53 17 Aug 2024 338th Lydxn 🇨🇦 907 70 7 May 2022 338th JayXon 🇺🇸 907 70 7 May 2022 340th nai62 906 68 27 Aug 2022 341st pardouin 🇫🇷 906 72 21 May 2025 342nd Steffan153 🇫🇮 906 80 11 Dec 2023 343rd cbrt-x 906 129 6 May 2022 343rd FlorianCassayre 🇫🇷 906 129 20 Sep 2022 343rd piano-miles 906 129 8 Feb 2023 343rd Widgitty 906 129 29 May 2023 343rd lukashert 906 129 7 Jun 2023 343rd DialFrost 🇸🇬 906 129 29 Jan 2024 343rd yoshykai 906 129 27 Mar 2025 350th Shanethegamer 🇺🇸 905 61 9 Oct 2023 351st GrayJoKing 🇦🇺 905 74 1 Nov 2023 352nd ovs-code 🇩🇪 905 75 12 Sep 2024 352nd Kacarott 🇦🇺 905 75 13 Sep 2024 354th lynn 905 78 5 May 2022 355th Lydxn 🇨🇦 904 81 1 Apr 2023 356th primo-ppcg 🇹🇭 903 93 7 May 2022 356th AlephSquirrel 903 93 21 Jan 2023 356th kg583 🇺🇸 903 93 26 Dec 2024 356th CLOStrophobic 🇮🇹 903 93 17 Jan 2025 360th KrausRaus 🇺🇸 902 59 4 May 2022 360th voytxt 🇨🇿 902 59 4 May 2022 360th KingSkyrock 🇺🇸 902 59 18 May 2022 360th ZakkkkAttackkkk 🇵🇭 902 59 14 Jul 2022 360th aksyristos 902 59 28 Oct 2022 360th nstearns96 🇬🇧 902 59 28 Nov 2022 360th janbehrens 🇩🇪 902 59 17 May 2023 360th Shanethegamer 🇺🇸 902 59 25 May 2023 360th Maznek 902 59 26 Jun 2023 360th SpiritAxolotl 🇺🇸 902 59 20 Mar 2024 360th Andrey-Plotnikov 902 59 19 May 2024 360th emgordon154 902 59 5 Aug 2024 360th duckyluuk 🇳🇱 902 59 3 Oct 2024 360th lifthrasiir 🇰🇷 902 59 23 Nov 2024 360th fuzzylojik-golf 🇺🇸 902 59 19 days ago 360th acollett89 902 59 2 days ago Prev 301–375 of 3,112 Next