Collatz in Python 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 751st wyatt-the-hump 435 131 15ms 24 Dec 2022 751st hotmanga 435 131 13ms 20 Oct 2023 751st Jordynar02 435 131 16ms 3 May 2025 754th Zach10za 429 133 22ms 23 Jan 2024 755th vtilde 425 134 17ms 8 Jan 2024 756th fig-apple 422 135 11ms 24 Jun 2023 757th S-Ruban 416 137 12ms 25 Feb 2023 758th FLOKI0421 410 139 16ms 4 May 2025 758th noahdorsch 410 139 18ms 5 May 2025 760th bartsowka2000 383 149 20ms 10 Jul 2023 761st KapelMeister 380 150 13ms 5 Sep 2025 762nd sa1640 370 154 15ms 28 Apr 2025 763rd arinhyther 368 155 16ms 24 Dec 2022 764th SebbeCaliban 363 157 17ms 11 Apr 2023 765th codefeld 329 173 18ms 5 Mar 2023 766th fl3ur1nestimable 320 178 15ms 24 Oct 2022 767th Laellekoenig 306 186 15ms 7 Nov 2025 768th Siyasia 302 189 16ms 22 Apr 2025 769th kalehika1234 295 193 13ms 24 Apr 2025 770th hannahherbig 294 194 13ms 30 Mar 2023 771st dahappy1989 278 205 17ms 5 Nov 2023 772nd sahilshresthaa 277 206 13ms 4 May 2025 773rd jalbertgordon 275 207 13ms 24 Oct 2023 774th AidanWalter 273 209 14ms 3 Jan 2025 775th sayloren 263 217 19ms 5 Mar 2023 775th AshayP123 263 217 17ms 1 May 2025 777th rubenguajardount 253 225 21ms 4 May 2025 778th amritm55 250 228 14ms 1 Apr 2025 779th clarkatunt19 249 229 21ms 3 May 2025 780th jac1107 248 230 13ms 4 May 2025 780th rcs0252 248 230 15ms 4 May 2025 782nd apurbapokharel 244 234 21ms 3 Apr 2025 783rd wlopez44 236 242 13ms 29 Apr 2025 783rd sakshiPatel2602 236 242 14ms 3 May 2025 785th Zok030 235 243 14ms 1 Apr 2025 785th Josemnz 235 243 14ms 28 Apr 2025 787th tophy6 232 246 14ms 1 Apr 2025 787th LyndaS317 232 246 14ms 14 Apr 2025 789th letdank 231 247 14ms 1 Apr 2025 789th AdamGonzo1254 231 247 13ms 3 May 2025 791st shawncrabtree 226 252 17ms 5 Jul 2025 792nd punkroczombie 224 254 16ms 4 May 2025 793rd Abulsamad 200 285 15ms 5 May 2025 794th aidnrox 188 303 13ms 2 May 2025 795th OffSecVik 188 304 15ms 25 Feb 2023 796th Hailee100 182 314 14ms 1 Apr 2025 797th lightediand 🇬🇧 179 319 13ms 14 Dec 2022 798th chaamsak 177 322 14ms 1 May 2025 799th joshuamkite 174 328 15ms 15 Aug 2023 800th 27carig 173 330 33ms 2 May 2025 801st steven-purcell 154 370 21ms 15 Jan 2024 802nd lightgeb 148 384 17ms 27 Oct 2023 802nd Zhenyu-Bo 148 384 14ms 1 Aug 2025 804th Samtheman773 146 390 13ms 22 Apr 2025 805th jejuan05 127 450 14ms 1 Apr 2025 806th DiyaKumariGupta 102 560 13ms 30 Apr 2025 807th chasedillard 92 619 13ms 30 Apr 2025 808th JKfromHMS 18 3,238 10ms 20 May 2024 808th RJFuller 18 3,238 10ms 3 Apr 2025 810th KatieLG-Transpiler 🇬🇧 13 4,233 10ms 23 Jun 2022 First Prev 751–810 of 810
