Collatz in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 717th nwellnhof 🇩🇪 870 71 2ms 5 Jun 2022 717th Irratix 🇳🇱 870 71 2ms 13 Jun 2022 717th michael-pruglo 🇺🇦 870 71 2ms 13 Jul 2022 717th stefangimmillaro 870 71 2ms 2 Jun 2023 717th kkoenig 870 71 2ms 21 Dec 2023 717th JohandeRuiter 🇳🇱 870 71 2ms 14 Sep 2024 717th masinag 🇮🇹 870 71 2ms 6 Oct 2024 728th AlephSquirrel 870 80 12ms 20 Apr 2023 728th ashtraypettingzoo 🇺🇸 870 80 14ms 1 Apr 2024 728th error256 870 80 30ms 17 days ago 731st CaedenHarper 🇨🇦 869 54 1,364ms 27 Sep 2025 731st sean-niemann 🇺🇸 869 54 1,464ms 27 Sep 2025 731st albanian-laundromat 869 54 1,468ms 14 Nov 2025 731st xsot 🇸🇬 869 54 1,198ms 15 Nov 2025 735th nwellnhof 🇩🇪 868 53 7ms 4 May 2022 735th GrayJoKing 🇦🇺 868 53 7ms 6 May 2022 737th Shanethegamer 🇺🇸 868 97 110ms 15 Apr 2025 737th GolfingSuccess 🇬🇷 868 97 102ms 28 Nov 2025 737th DialFrost 🇸🇬 868 97 117ms 1 Dec 2025 740th kg583 🇺🇸 868 105 13ms 23 days ago 740th Steffan153 🇫🇮 868 105 13ms 17 days ago 742nd albanian-laundromat 867 73 532ms 16 Dec 2025 743rd Shanethegamer 🇺🇸 867 85 38ms 15 May 2023 743rd albanian-laundromat 867 85 40ms 25 Aug 2025 745th dieggsy 867 97 28ms 8 Oct 2024 746th ovs-code 🇩🇪 867 133 42ms 8 Jul 2024 747th 123mjb 866 96 366ms 20 Nov 2025 747th noescareno 866 96 366ms 21 Nov 2025 749th emgordon154 866 159 1,606ms 24 Dec 2025 749th DialFrost 🇸🇬 866 159 1,763ms 17 Jan 2026 751st DialFrost 🇸🇬 865 64 5ms 10 Jul 2024 752nd TylerBloom 864 96 123ms 22 Mar 2024 753rd shellbertt 🇨🇦 864 98 61ms 9 May 2022 753rd iakolzin 864 98 58ms 26 May 2022 753rd Betuaredead 864 98 62ms 5 Jan 2023 753rd oceko 864 98 60ms 19 Feb 2024 753rd cuzdav 864 98 60ms 4 May 2025 753rd timhaj 🇸🇮 864 98 58ms 12 Sep 2025 753rd Yax42 🇫🇷 864 98 61ms 4 Oct 2025 753rd liamjermy6 864 98 66ms 4 days ago 761st emplv 🇱🇻 864 110 294ms 5 May 2022 761st Shanethegamer 🇺🇸 864 110 293ms 21 Nov 2023 761st targrik 864 110 282ms 30 Jun 2025 764th nwellnhof 🇩🇪 863 51 40ms 4 May 2022 764th primo-ppcg 🇹🇭 863 51 42ms 6 May 2022 764th janlelis 863 51 38ms 10 May 2022 764th Natanaelel 🇸🇪 863 51 40ms 2 Jun 2022 764th blaztoma 🇱🇹 863 51 38ms 26 days ago 769th deadp4nda 🇩🇪 863 90 374ms 26 Apr 2024 769th 123mjb 863 90 367ms 23 Jun 2025 769th michelebastione 🇮🇹 863 90 400ms 24 Aug 2025 769th razvandmtr 🇷🇴 863 90 395ms 6 Nov 2025 773rd Steffan153 🇫🇮 862 82 1,323ms 23 Feb 2023 774th GrayJoKing 🇦🇺 861 56 437ms 15 Jan 2024 774th AlephSquirrel 861 56 396ms 21 Jan 2024 774th CaedenHarper 🇨🇦 861 56 484ms 26 Jan 2026 777th steffan-polygolf 861 73 92ms 23 Feb 2023 777th MWI-polygolf 861 73 92ms 6 Dec 2023 777th HumanoidCPU 861 73 82ms 7 May 2024 780th Yewzir 🇧🇪 861 160 1,887ms 14 Nov 2025 781st Setvizan 860 62 11ms 12 Jan 2023 781st GreenBeansAgainstVeganism 860 62 11ms 13 Jan 2023 781st arctouch-cristiannevianna 860 62 11ms 3 Apr 2023 781st Corxldyphik 860 62 12ms 11 Apr 2023 781st Blockyheadman 860 62 11ms 1 Nov 2023 781st ollyspooner 860 62 12ms 22 Nov 2023 781st itserasmus 860 62 12ms 25 Jan 2024 781st Jacob385 860 62 11ms 13 Mar 2024 781st junkondo-jp 860 62 11ms 30 Jun 2024 781st ShiraJoseph 🇺🇸 860 62 13ms 1 Mar 2025 781st tomh1012 860 62 11ms 3 Dec 2025 792nd yzhs 🇩🇪 860 65 20ms 16 Jun 2022 792nd rollershutter 860 65 20ms 9 Sep 2022 792nd bac0id 860 65 21ms 26 Sep 2023 792nd robin-scragg 860 65 23ms 8 Jun 2025 792nd RaBa21 🇭🇺 860 65 26ms 11 Jul 2025 792nd TransformLikeATensor 860 65 19ms 17 Oct 2025 798th Andriamanitra 🇫🇮 860 67 144ms 26 Apr 2023 799th ulucs 859 35 9ms 8 May 2022 799th bstrat 859 35 9ms 6 Jun 2024 First Prev 721–800 of 3,642 Next Last