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 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 Bytes Time 730th xyangst 891 60 28 Sep 2024 730th a6166231 🇨🇳 891 60 15 May 2025 753rd GolfingSuccess 🇬🇷 891 95 5 May 2022 753rd Alex-x90 🇺🇸 891 95 4 Dec 2022 753rd Mandrzejy 🇵🇱 891 95 22 Mar 2024 756th lynn 890 65 5 May 2022 756th GrayJoKing 🇦🇺 890 65 5 May 2022 756th Sakisan 🇧🇪 890 65 6 May 2022 756th JayXon 🇺🇸 890 65 17 Oct 2022 756th Steffan153 🇫🇮 890 65 12 Nov 2022 756th tobeannouncd 890 65 25 Apr 2025 756th sean-niemann 🇺🇸 890 65 20 days ago 763rd sean-niemann 🇺🇸 890 73 12 Jul 2024 764th DialFrost 🇸🇬 890 95 10 Dec 2024 765th primo-ppcg 🇹🇭 889 52 5 May 2022 765th dvargas46 🇺🇸 889 52 22 Dec 2022 767th stefangimmillaro 889 71 2 Oct 2022 767th Steffan153 🇫🇮 889 71 23 Feb 2023 767th Shanethegamer 🇺🇸 889 71 16 May 2023 767th sean-niemann 🇺🇸 889 71 12 Jul 2024 771st JayXon 🇺🇸 889 74 14 Nov 2024 772nd GrayJoKing 🇦🇺 889 77 13 Sep 2024 773rd canissimia 🇦🇶 889 110 20 Feb 2023 774th stefangimmillaro 889 112 26 Sep 2023 774th kkoenig 889 112 4 Jan 2024 776th martinnorling 🇸🇪 888 75 5 May 2022 776th Trunksistor 🇫🇷 888 75 9 May 2022 776th bbakersmith 888 75 28 Jun 2022 776th bsoyka 888 75 16 Jul 2022 776th P-Quentin 🇫🇷 888 75 3 Aug 2022 776th julienlamoureux78 888 75 12 Aug 2022 776th dzshn 888 75 16 Aug 2022 776th NerdyMcNerd42 888 75 20 Aug 2022 776th destofr 888 75 25 Aug 2022 776th vishwathg 888 75 10 Oct 2022 776th nkoppel 888 75 19 Oct 2022 776th AZ9tumas 888 75 23 Oct 2022 776th EthanGrant1 888 75 7 Nov 2022 776th Omega65536 🇩🇪 888 75 24 Nov 2022 776th b10011 🇫🇮 888 75 3 Jan 2023 776th 4ndyJ 🇬🇧 888 75 3 Jan 2023 776th randolchance 888 75 8 Jan 2023 776th LeeCamp 888 75 12 Jan 2023 776th hellwue 888 75 15 Feb 2023 776th nandanjp 888 75 29 Mar 2023 776th kaptsanovb 888 75 20 Apr 2023 776th galloj 🇨🇿 888 75 20 May 2023 776th jhu04 888 75 23 Jun 2023 776th HelloYuiYui 888 75 1 Nov 2023 776th tobyLovick 888 75 10 Nov 2023 776th VictorStenvers 🇳🇱 888 75 13 Nov 2023 776th RZ781 888 75 19 Nov 2023 776th mikehanus 888 75 21 Nov 2023 776th 1231234md5 🇨🇳 888 75 14 Dec 2023 776th Hebelub 888 75 6 Jan 2024 776th minhtrancccp 888 75 11 Jan 2024 776th 123mjb 888 75 25 Jan 2024 776th jbjd 888 75 25 Feb 2024 776th gabe-gallegos 888 75 2 May 2024 776th kejcao 🇨🇦 888 75 11 May 2024 776th f-tucker 888 75 24 May 2024 776th Florian-Mt 888 75 22 Jul 2024 776th codingisgreatbutiamnot 888 75 9 Aug 2024 776th Terobero 888 75 23 Aug 2024 776th abhishekg999 888 75 17 Sep 2024 776th RedzGoose 🇦🇺 888 75 7 Oct 2024 776th Clay-Goodling 888 75 8 Oct 2024 776th JunkIce 888 75 5 Mar 2025 776th jiji7879 888 75 9 days ago 776th faragocsaba 888 75 7 days ago 821st c0d3-4-F00d 🇩🇪 888 132 6 May 2022 821st madeforlosers 888 132 26 Oct 2023 821st Blockyheadman 888 132 1 Nov 2023 821st SpiritAxolotl 🇺🇸 888 132 20 Mar 2024 825th canissimia 🇦🇶 888 204 25 Nov 2023 Prev 751–825 of 3,156 Next
