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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 201st vang1ong7ang 931 89 132ms 19 days ago 202nd m-tkach 🇺🇦 931 91 61ms 5 May 2022 202nd 09cf 931 91 61ms 4 Oct 2023 202nd Herbert00709 🇵🇱 931 91 67ms 8 days ago 205th grey0ut 930 48 2,133ms 8 Apr 2025 206th JayXon 🇺🇸 930 73 4ms 23 Dec 2025 207th GolfingSuccess 🇬🇷 928 49 38ms 12 Aug 2024 207th Shanethegamer 🇺🇸 928 49 39ms 12 Aug 2024 207th Steffan153 🇫🇮 928 49 39ms 12 Aug 2024 207th MeWhenI 🇻🇦 928 49 37ms 13 Aug 2024 207th DialFrost 🇸🇬 928 49 38ms 13 Aug 2024 207th GrayJoKing 🇦🇺 928 49 41ms 15 Aug 2024 207th btnlq 928 49 39ms 16 Aug 2024 207th emgordon154 928 49 41ms 19 Aug 2024 207th ovs-code 🇩🇪 928 49 39ms 19 Aug 2024 207th mousetail 🇳🇱 928 49 39ms 13 Sep 2024 207th lynn 928 49 39ms 20 Dec 2024 207th weeble 928 49 39ms 20 Dec 2024 207th sean-niemann 🇺🇸 928 49 39ms 11 Jan 2025 207th DayDun 🇸🇪 928 49 39ms 9 days ago 221st ovs-code 🇩🇪 927 52 457ms 16 Jan 2024 221st kg583 🇺🇸 927 52 479ms 24 Jan 2024 221st Shanethegamer 🇺🇸 927 52 455ms 24 Mar 2024 221st pardouin 🇫🇷 927 52 480ms 11 Jul 2024 221st Steffan153 🇫🇮 927 52 498ms 17 Aug 2024 221st sean-niemann 🇺🇸 927 52 464ms 24 Jan 2025 227th emplv 🇱🇻 927 60 9ms 5 May 2022 227th GrayJoKing 🇦🇺 927 60 11ms 6 May 2022 227th targrik 927 60 10ms 24 Dec 2024 227th xsot 🇸🇬 927 60 10ms 1 May 2025 231st Lydxn 🇨🇦 926 38 1,604ms 4 May 2022 231st GrayJoKing 🇦🇺 926 38 387ms 5 May 2022 231st Steffan153 🇫🇮 926 38 426ms 16 Dec 2022 231st ovs-code 🇩🇪 926 38 428ms 30 Dec 2023 235th MeWhenI 🇻🇦 925 68 99ms 23 Feb 2023 235th JayXon 🇺🇸 925 68 101ms 4 Mar 2025 237th roavin 925 84 427ms 23 Jun 2022 237th tkr-sh 🇰🇵 925 84 457ms 20 Aug 2022 237th Nickmiste 925 84 443ms 9 Nov 2022 237th postie77 925 84 410ms 19 May 2023 237th ertz1ertz 925 84 419ms 13 Sep 2024 237th Grabnukebomb 925 84 387ms 13 Sep 2024 237th Shanethegamer 🇺🇸 925 84 443ms 9 Apr 2025 237th HumanoidCPU 925 84 414ms 10 Apr 2025 237th annaproxy 925 84 443ms 11 Apr 2025 237th Re-Adventures 🇮🇳 925 84 401ms 15 Apr 2025 237th janbehrens 🇩🇪 925 84 404ms 17 Apr 2025 248th JayXon 🇺🇸 924 53 147ms 24 Feb 2026 249th Lydxn 🇨🇦 924 70 109ms 17 Oct 2022 249th JayXon 🇺🇸 924 70 108ms 17 Oct 2022 251st h3ra993huskp 🇯🇵 924 90 592ms 30 Nov 2025 252nd ovs-code 🇩🇪 923 60 5ms 9 Oct 2023 252nd GrayJoKing 🇦🇺 923 60 4ms 11 Oct 2023 252nd Lydxn 🇨🇦 923 60 5ms 11 Oct 2023 252nd GolfingSuccess 🇬🇷 923 60 4ms 16 Nov 2023 252nd Steffan153 🇫🇮 923 60 5ms 28 Jan 2024 252nd JayXon 🇺🇸 923 60 4ms 29 Jan 2024 252nd rucin93 🇵🇱 923 60 5ms 10 Jul 2024 252nd sean-niemann 🇺🇸 923 60 5ms 10 Jul 2024 252nd edsrzf 🇳🇿 923 60 5ms 9 Mar 2026 261st KasperKivimaeki 🇫🇮 923 103 358ms 10 Dec 2025 262nd Steffan153 🇫🇮 922 67 37ms 19 Aug 2024 262nd JayXon 🇺🇸 922 67 37ms 19 Aug 2024 264th sisyphus-ppcg 🇦🇺 921 65 119ms 19 Dec 2025 264th ovs-code 🇩🇪 921 65 145ms 19 Dec 2025 266th Lydxn 🇨🇦 921 90 123ms 6 May 2022 267th 4QT0R 921 92 61ms 23 Nov 2023 267th ovs-code 🇩🇪 921 92 63ms 3 Jun 2024 269th sisyphus-ppcg 🇦🇺 920 50 2,565ms 31 Jan 2023 269th saito-ta 🇯🇵 920 50 844ms 12 Dec 2024 271st Steffan153 🇫🇮 920 51 977ms 19 Mar 2026 272nd uiamn 919 58 12ms 6 Sep 2022 272nd 5quiwyrm 919 58 11ms 29 Sep 2022 272nd alasdair-greenland 919 58 13ms 13 Jan 2023 272nd kirjavascript 919 58 19ms 4 Aug 2025 272nd Posandu 919 58 11ms 26 Aug 2025 272nd mrxz 🇳🇱 919 58 11ms 3 Sep 2025 272nd joakim-ronning 919 58 11ms 5 days ago 279th GrayJoKing 🇦🇺 918 74 4ms 23 Dec 2025 279th FlyingPenguin223 918 74 6ms 29 Dec 2025 279th jipsong 🇩🇪 918 74 6ms 3 days ago 282nd primo-ppcg 🇹🇭 917 24 164ms 10 Dec 2022 283rd Mukundan314 917 55 629ms 27 Dec 2025 284th btnlq 917 59 5ms 6 Nov 2022 284th DialFrost 🇸🇬 917 59 5ms 23 Dec 2025 286th Irratix 🇳🇱 917 61 47ms 7 May 2022 286th TFeld00 🇩🇰 917 61 26ms 17 May 2022 286th hallvabo 🇳🇴 917 61 21ms 4 Sep 2022 286th DialFrost 🇸🇬 917 61 26ms 19 Dec 2022 286th anter69 🇭🇺 917 61 22ms 19 Dec 2022 286th Alex-x90 🇺🇸 917 61 20ms 27 Dec 2022 286th commandz0 🇺🇸 917 61 20ms 22 Aug 2023 286th fgrosshans 🇫🇷 917 61 20ms 22 Jul 2024 286th duckyluuk 🇳🇱 917 61 21ms 15 Aug 2024 286th rucin93 🇵🇱 917 61 17ms 31 May 2025 286th katss2 917 61 21ms 17 Aug 2025 286th snoozingnewt 🇨🇦 917 61 21ms 6 Dec 2025 286th Flekay 🇩🇪 917 61 20ms 15 Feb 2026 286th JOrE20 917 61 17ms 25 Feb 2026 300th JayXon 🇺🇸 917 69 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