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 751st ovs-code 🇩🇪 894 89 24 Jul 2024 751st jipsong 🇩🇪 894 89 7 Apr 2025 753rd oeb25 893 93 16 May 2022 753rd snobee 🇨🇦 893 93 8 Dec 2022 753rd logvp 893 93 2 Jan 2024 753rd elgan65536 893 93 5 Mar 2024 753rd smartiel 893 93 12 Aug 2024 753rd trist224 🇫🇷 893 93 12 Aug 2024 753rd nullie 893 93 19 Dec 2024 753rd lolgeny 893 93 22 Feb 2025 761st Steffan153 🇫🇮 892 52 31 Dec 2022 762nd Shanethegamer 🇺🇸 892 61 31 Oct 2022 762nd MeWhenI 🇻🇦 892 61 4 Nov 2022 764th stefangimmillaro 892 71 2 Oct 2022 764th Steffan153 🇫🇮 892 71 23 Feb 2023 764th Shanethegamer 🇺🇸 892 71 16 May 2023 764th sean-niemann 🇺🇸 892 71 12 Jul 2024 768th GolfingSuccess 🇬🇷 892 95 5 May 2022 768th Alex-x90 🇺🇸 892 95 4 Dec 2022 768th Mandrzejy 🇵🇱 892 95 22 Mar 2024 771st KatieLG 🇬🇧 891 60 4 May 2022 771st ScottHamper 891 60 5 May 2022 771st Re-Adventures 🇮🇳 891 60 5 May 2022 771st 0x24a537r9 891 60 29 Jul 2022 771st stefangabos 🇷🇴 891 60 19 Aug 2022 771st eranws 891 60 10 Sep 2022 771st GeorgeStechman 🇬🇧 891 60 26 Sep 2022 771st BloodStormKnight 891 60 15 Oct 2022 771st dzshn 891 60 3 Dec 2022 771st biocommando 🇫🇮 891 60 20 Dec 2022 771st Betuaredead 891 60 5 Jan 2023 771st piano-miles 891 60 16 Jan 2023 771st Yewzir 🇧🇪 891 60 12 Feb 2023 771st shellbertt 🇨🇦 891 60 26 Feb 2023 771st zakariamouhid 891 60 20 May 2023 771st raphaelimahorn 891 60 23 Aug 2023 771st jbt 891 60 25 Dec 2023 771st olleicua 🇺🇸 891 60 15 Feb 2024 771st HumanoidCPU 891 60 3 May 2024 771st dokutan 891 60 13 Aug 2024 771st LostSyntax21 🇬🇧 891 60 10 Sep 2024 771st xyangst 891 60 28 Sep 2024 771st a6166231 🇨🇳 891 60 15 May 2025 771st Protothor 891 60 8 Jul 2025 771st SebassNoob 891 60 5 Aug 2025 771st Yax42 🇫🇷 891 60 34 hours ago 797th lynn 891 65 5 May 2022 797th GrayJoKing 🇦🇺 891 65 5 May 2022 797th Sakisan 🇧🇪 891 65 6 May 2022 797th JayXon 🇺🇸 891 65 17 Oct 2022 797th Steffan153 🇫🇮 891 65 12 Nov 2022 797th tobeannouncd 891 65 25 Apr 2025 797th sean-niemann 🇺🇸 891 65 9 Jun 2025 804th sean-niemann 🇺🇸 891 73 12 Jul 2024 805th canissimia 🇦🇶 891 110 20 Feb 2023 806th stefangimmillaro 891 112 26 Sep 2023 806th kkoenig 891 112 4 Jan 2024 808th JayXon 🇺🇸 890 74 14 Nov 2024 809th DialFrost 🇸🇬 890 95 10 Dec 2024 810th primo-ppcg 🇹🇭 889 52 5 May 2022 810th dvargas46 🇺🇸 889 52 22 Dec 2022 812th GrayJoKing 🇦🇺 889 77 13 Sep 2024 813th m-tkach 🇺🇦 889 117 7 May 2022 813th Lydxn 🇨🇦 889 117 7 May 2022 815th c0d3-4-F00d 🇩🇪 889 132 6 May 2022 815th madeforlosers 889 132 26 Oct 2023 815th Blockyheadman 889 132 1 Nov 2023 815th SpiritAxolotl 🇺🇸 889 132 20 Mar 2024 819th ovs-code 🇩🇪 889 151 9 Sep 2023 819th Yewzir 🇧🇪 889 151 21 May 2024 821st mousetail 🇳🇱 888 41 8 days ago 822nd martinnorling 🇸🇪 888 75 5 May 2022 822nd Trunksistor 🇫🇷 888 75 9 May 2022 822nd bbakersmith 888 75 28 Jun 2022 822nd bsoyka 🇺🇸 888 75 16 Jul 2022 Prev 751–825 of 3,318 Next
