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 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 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 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 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 816th nkoppel 888 75 19 Oct 2022 816th AZ9tumas 888 75 23 Oct 2022 816th EthanGrant1 888 75 7 Nov 2022 816th Omega65536 🇩🇪 888 75 24 Nov 2022 816th b10011 🇫🇮 888 75 3 Jan 2023 816th 4ndyJ 🇬🇧 888 75 3 Jan 2023 816th randolchance 888 75 8 Jan 2023 816th LeeCamp 888 75 12 Jan 2023 816th hellwue 888 75 15 Feb 2023 816th nandanjp 888 75 29 Mar 2023 816th kaptsanovb 888 75 20 Apr 2023 816th galloj 🇨🇿 888 75 20 May 2023 816th jhu04 888 75 23 Jun 2023 816th HelloYuiYui 888 75 1 Nov 2023 816th tobyLovick 888 75 10 Nov 2023 816th VictorStenvers 🇳🇱 888 75 13 Nov 2023 816th RZ781 888 75 19 Nov 2023 816th mikehanus 888 75 21 Nov 2023 816th 1231234md5 🇨🇳 888 75 14 Dec 2023 816th Hebelub 888 75 6 Jan 2024 816th minhtrancccp 888 75 11 Jan 2024 816th 123mjb 888 75 25 Jan 2024 816th jbjd 888 75 25 Feb 2024 816th gabe-gallegos 888 75 2 May 2024 816th kejcao 🇨🇦 888 75 11 May 2024 816th f-tucker 888 75 24 May 2024 816th Florian-Mt 888 75 22 Jul 2024 816th codingisgreatbutiamnot 888 75 9 Aug 2024 816th Terobero 888 75 23 Aug 2024 816th abhishekg999 888 75 17 Sep 2024 816th RedzGoose 🇦🇺 888 75 7 Oct 2024 816th Clay-Goodling 888 75 8 Oct 2024 816th JunkIce 888 75 5 Mar 2025 816th jiji7879 888 75 20 Jun 2025 816th faragocsaba 888 75 22 Jun 2025 816th bknower 888 75 30 Jun 2025 816th clayboll99 888 75 14 Jul 2025 816th edsrzf 🇳🇿 888 75 30 Jul 2025 864th canissimia 🇦🇶 888 204 25 Nov 2023 865th MeWhenI 🇻🇦 887 53 1 Jun 2022 865th stefangimmillaro 887 53 2 Oct 2022 865th Haksell 🇦🇶 887 53 22 Feb 2023 868th primo-ppcg 🇹🇭 887 85 14 Jan 2025 868th MeWhenI 🇻🇦 887 85 21 Apr 2025 870th m-tkach 🇺🇦 887 117 7 May 2022 870th Lydxn 🇨🇦 887 117 7 May 2022 872nd GolfingSuccess 🇬🇷 886 57 4 days ago 872nd CaedenHarper 🇨🇦 886 57 36 mins ago 874th m-tkach 🇺🇦 886 112 22 Jun 2025 875th jared-hughes 886 130 15 Dec 2024 876th Shanethegamer 🇺🇸 885 70 12 Dec 2022 876th Alessandro-Balconi 🇮🇹 885 70 26 Dec 2022 878th GolfingSuccess 🇬🇷 885 71 5 May 2022 878th emplv 🇱🇻 885 71 5 May 2022 878th JayXon 🇺🇸 885 71 7 May 2022 878th nwellnhof 🇩🇪 885 71 5 Jun 2022 878th stefangimmillaro 885 71 2 Jun 2023 878th 09cf 885 71 4 Oct 2023 878th kkoenig 885 71 21 Dec 2023 878th sean-niemann 🇺🇸 885 71 10 Jul 2024 878th masinag 🇮🇹 885 71 6 Oct 2024 887th SiestaGuru 884 88 9 Jan 2023 887th rifatx 884 88 5 Jul 2024 889th janbehrens 🇩🇪 884 90 21 Apr 2023 889th Yewzir 🇧🇪 884 90 22 Apr 2023 889th DialFrost 🇸🇬 884 90 6 Nov 2023 889th Ripick 884 90 27 Nov 2024 893rd Shanethegamer 🇺🇸 884 152 9 Sep 2023 893rd emgordon154 884 152 2 Oct 2024 893rd DialFrost 🇸🇬 884 152 27 Oct 2024 896th m-tkach 🇺🇦 883 59 21 Jan 2024 896th GolfingSuccess 🇬🇷 883 59 20 Jan 2025 898th ovs-code 🇩🇪 883 73 22 Jul 2023 899th steffan-polygolf 883 74 14 Feb 2024 900th nipzu 883 94 17 May 2022 Prev 826–900 of 3,292 Next
