Collatz in all languages in bytes. 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 Bytes Time 803rd HelloYuiYui 888 75 1 Nov 2023 803rd tobyLovick 888 75 10 Nov 2023 803rd VictorStenvers 🇳🇱 888 75 13 Nov 2023 803rd RZ781 888 75 19 Nov 2023 803rd mikehanus 888 75 21 Nov 2023 803rd 1231234md5 🇨🇳 888 75 14 Dec 2023 803rd Hebelub 888 75 6 Jan 2024 803rd minhtrancccp 888 75 11 Jan 2024 803rd 123mjb 888 75 25 Jan 2024 803rd jbjd 888 75 25 Feb 2024 803rd gabe-gallegos 888 75 2 May 2024 803rd kejcao 🇨🇦 888 75 11 May 2024 803rd f-tucker 888 75 24 May 2024 803rd Florian-Mt 888 75 22 Jul 2024 803rd codingisgreatbutiamnot 888 75 9 Aug 2024 803rd Terobero 888 75 23 Aug 2024 803rd abhishekg999 888 75 17 Sep 2024 803rd RedzGoose 🇦🇺 888 75 7 Oct 2024 803rd Clay-Goodling 888 75 8 Oct 2024 803rd JunkIce 888 75 5 Mar 2025 803rd jiji7879 888 75 20 Jun 2025 803rd faragocsaba 888 75 22 Jun 2025 803rd bknower 888 75 30 Jun 2025 803rd clayboll99 888 75 14 Jul 2025 803rd edsrzf 🇳🇿 888 75 23 days ago 851st c0d3-4-F00d 🇩🇪 888 132 6 May 2022 851st madeforlosers 888 132 26 Oct 2023 851st Blockyheadman 888 132 1 Nov 2023 851st SpiritAxolotl 🇺🇸 888 132 20 Mar 2024 855th canissimia 🇦🇶 888 204 25 Nov 2023 856th MeWhenI 🇻🇦 887 53 1 Jun 2022 856th stefangimmillaro 887 53 2 Oct 2022 856th Haksell 🇦🇶 887 53 22 Feb 2023 859th primo-ppcg 🇹🇭 887 85 14 Jan 2025 859th MeWhenI 🇻🇦 887 85 21 Apr 2025 861st m-tkach 🇺🇦 887 117 7 May 2022 861st Lydxn 🇨🇦 887 117 7 May 2022 863rd m-tkach 🇺🇦 886 112 22 Jun 2025 864th jared-hughes 886 130 15 Dec 2024 865th Shanethegamer 🇺🇸 885 70 12 Dec 2022 865th Alessandro-Balconi 🇮🇹 885 70 26 Dec 2022 867th GolfingSuccess 🇬🇷 885 71 5 May 2022 867th emplv 🇱🇻 885 71 5 May 2022 867th JayXon 🇺🇸 885 71 7 May 2022 867th nwellnhof 🇩🇪 885 71 5 Jun 2022 867th stefangimmillaro 885 71 2 Jun 2023 867th 09cf 885 71 4 Oct 2023 867th kkoenig 885 71 21 Dec 2023 867th sean-niemann 🇺🇸 885 71 10 Jul 2024 867th masinag 🇮🇹 885 71 6 Oct 2024 876th SiestaGuru 884 88 9 Jan 2023 876th rifatx 884 88 5 Jul 2024 878th janbehrens 🇩🇪 884 90 21 Apr 2023 878th Yewzir 🇧🇪 884 90 22 Apr 2023 878th DialFrost 🇸🇬 884 90 6 Nov 2023 878th Ripick 884 90 27 Nov 2024 882nd Shanethegamer 🇺🇸 884 152 9 Sep 2023 882nd emgordon154 884 152 2 Oct 2024 882nd DialFrost 🇸🇬 884 152 27 Oct 2024 885th m-tkach 🇺🇦 883 59 21 Jan 2024 885th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 887th ovs-code 🇩🇪 883 73 22 Jul 2023 888th steffan-polygolf 883 74 14 Feb 2024 889th nipzu 883 94 17 May 2022 889th Natanaelel 🇸🇪 883 94 17 Jun 2022 889th nkoppel 883 94 19 Oct 2022 889th ovs-code 🇩🇪 883 94 21 Jun 2023 889th mousetail 🇳🇱 883 94 12 Jan 2024 894th Shanethegamer 🇺🇸 882 51 15 May 2023 895th Irratix 🇳🇱 882 96 4 May 2022 895th MeWhenI 🇻🇦 882 96 1 Jun 2022 895th janbehrens 🇩🇪 882 96 21 Apr 2023 895th Shanethegamer 🇺🇸 882 96 15 May 2023 895th Yewzir 🇧🇪 882 96 11 Nov 2023 895th MateuszPietrzak 🇵🇱 882 96 18 Nov 2023 Prev 826–900 of 3,280 Next
