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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 Luau 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 Luau 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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 750th CaedenHarper 🇨🇦 892 109 28 Jan 2025 750th GolfingSuccess 🇬🇷 892 109 6 Sep 2025 753rd KatieLG 🇬🇧 891 60 4 May 2022 753rd ScottHamper 891 60 5 May 2022 753rd Re-Adventures 🇮🇳 891 60 5 May 2022 753rd 0x24a537r9 891 60 29 Jul 2022 753rd stefangabos 🇷🇴 891 60 19 Aug 2022 753rd eranws 891 60 10 Sep 2022 753rd GeorgeStechman 🇬🇧 891 60 26 Sep 2022 753rd BloodStormKnight 891 60 15 Oct 2022 753rd dzshn 891 60 3 Dec 2022 753rd biocommando 🇫🇮 891 60 20 Dec 2022 753rd Betuaredead 891 60 5 Jan 2023 753rd piano-miles 891 60 16 Jan 2023 753rd Yewzir 🇧🇪 891 60 12 Feb 2023 753rd shellbertt 🇨🇦 891 60 26 Feb 2023 753rd zakariamouhid 891 60 20 May 2023 753rd raphaelimahorn 891 60 23 Aug 2023 753rd jbt 891 60 25 Dec 2023 753rd olleicua 🇺🇸 891 60 15 Feb 2024 753rd HumanoidCPU 891 60 3 May 2024 753rd dokutan 891 60 13 Aug 2024 753rd LostSyntax21 🇬🇧 891 60 10 Sep 2024 753rd xyangst 891 60 28 Sep 2024 753rd a6166231 🇨🇳 891 60 15 May 2025 753rd Protothor 891 60 8 Jul 2025 753rd SebassNoob 891 60 5 Aug 2025 753rd Yax42 🇫🇷 891 60 5 Sep 2025 779th lynn 891 65 5 May 2022 779th GrayJoKing 🇦🇺 891 65 5 May 2022 779th Sakisan 🇧🇪 891 65 6 May 2022 779th JayXon 🇺🇸 891 65 17 Oct 2022 779th Steffan153 🇫🇮 891 65 12 Nov 2022 779th tobeannouncd 891 65 25 Apr 2025 779th sean-niemann 🇺🇸 891 65 9 Jun 2025 786th sean-niemann 🇺🇸 891 73 12 Jul 2024 787th canissimia 🇦🇶 891 110 20 Feb 2023 788th m-tkach 🇺🇦 891 117 7 May 2022 788th Lydxn 🇨🇦 891 117 7 May 2022 790th primo-ppcg 🇹🇭 890 52 5 May 2022 790th dvargas46 🇺🇸 890 52 22 Dec 2022 792nd DialFrost 🇸🇬 890 95 10 Dec 2024 793rd DialFrost 🇸🇬 889 56 1 Sep 2025 794th martinnorling 🇸🇪 889 75 5 May 2022 794th Trunksistor 🇫🇷 889 75 9 May 2022 794th bbakersmith 889 75 28 Jun 2022 794th bsoyka 🇺🇸 889 75 16 Jul 2022 794th P-Quentin 🇫🇷 889 75 3 Aug 2022 794th julienlamoureux78 889 75 12 Aug 2022 794th dzshn 889 75 16 Aug 2022 794th NerdyMcNerd42 889 75 20 Aug 2022 794th destofr 889 75 25 Aug 2022 794th vishwathg 889 75 10 Oct 2022 794th nkoppel 889 75 19 Oct 2022 794th AZ9tumas 889 75 23 Oct 2022 794th EthanGrant1 889 75 7 Nov 2022 794th Omega65536 🇩🇪 889 75 24 Nov 2022 794th b10011 🇫🇮 889 75 3 Jan 2023 794th 4ndyJ 🇬🇧 889 75 3 Jan 2023 794th randolchance 889 75 8 Jan 2023 794th LeeCamp 889 75 12 Jan 2023 794th hellwue 889 75 15 Feb 2023 794th nandanjp 889 75 29 Mar 2023 794th kaptsanovb 889 75 20 Apr 2023 794th galloj 🇨🇿 889 75 20 May 2023 794th jhu04 889 75 23 Jun 2023 794th HelloYuiYui 889 75 1 Nov 2023 794th tobyLovick 889 75 10 Nov 2023 794th VictorStenvers 🇳🇱 889 75 13 Nov 2023 794th RZ781 889 75 19 Nov 2023 794th mikehanus 889 75 21 Nov 2023 794th 1231234md5 🇨🇳 889 75 14 Dec 2023 794th Hebelub 889 75 6 Jan 2024 794th minhtrancccp 889 75 11 Jan 2024 794th 123mjb 889 75 25 Jan 2024 First Prev 751–825 of 3,374 Next Last
