Collatz in all languages in chars. 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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 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 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 Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 598th targrik 880 110 248ms 30 Jun 2025 602nd Shanethegamer 🇺🇸 879 81 19ms 19 Dec 2023 602nd emgordon154 879 81 26ms 29 Jul 2025 604th GrayJoKing 🇦🇺 878 72 757ms 31 May 2022 604th Shanethegamer 🇺🇸 878 72 757ms 1 Jun 2022 604th Steffan153 🇫🇮 878 72 839ms 10 Dec 2022 607th ovs-code 🇩🇪 878 73 300ms 22 Jul 2023 608th steffan-polygolf 878 74 130ms 14 Feb 2024 609th primo-ppcg 🇹🇭 878 193 105ms 14 Aug 2025 610th Shanethegamer 🇺🇸 877 142 1,171ms 27 Mar 2025 610th DialFrost 🇸🇬 877 142 1,122ms 28 Mar 2025 610th emgordon154 877 142 1,348ms 10 Apr 2025 613th mousetail 🇳🇱 876 40 73ms 29 Aug 2025 614th Shanethegamer 🇺🇸 875 51 405ms 15 May 2023 615th Grrisly 875 74 4ms 25 Mar 2024 616th GrayJoKing 🇦🇺 875 84 53ms 19 Jun 2022 616th primo-ppcg 🇹🇭 875 84 48ms 29 Jun 2022 618th JayXon 🇺🇸 875 157 1,590ms 14 Sep 2025 619th rucin93 🇵🇱 874 57 139ms 4 Aug 2024 619th dokutan 874 57 130ms 9 Aug 2024 621st c0d3-4-F00d 🇩🇪 874 61 9ms 6 May 2022 621st jackkav 874 61 10ms 26 Jun 2022 621st TechNolaByte 874 61 10ms 6 Jul 2022 621st Heathcorp 🇦🇺 874 61 10ms 17 Jul 2022 621st C0de5mith 🇺🇸 874 61 10ms 3 Aug 2022 621st sebipopa 🇷🇴 874 61 11ms 18 Aug 2022 621st moikaturns 🇬🇧 874 61 11ms 25 Sep 2022 621st FlorianCassayre 🇫🇷 874 61 11ms 27 Sep 2022 621st Mazn3k 874 61 10ms 1 Feb 2023 621st tvcv901 874 61 10ms 22 Mar 2023 621st unfinishedprogram 874 61 10ms 19 Jul 2023 621st snoozingnewt 🇺🇸 874 61 11ms 23 Sep 2023 621st funnyboy-roks 874 61 9ms 9 May 2024 621st bac0id 874 61 11ms 29 Jun 2024 621st madex 🇩🇪 874 61 11ms 9 Jul 2024 621st FortuiteMan 🇫🇷 874 61 10ms 10 Oct 2024 621st RobertHoeh 874 61 10ms 5 Apr 2025 621st LvLError 874 61 10ms 29 May 2025 621st Lv0Sys 🇵🇱 874 61 10ms 30 May 2025 621st miles-evan 874 61 10ms 5 Aug 2025 621st alexsave 874 61 14ms 13 Oct 2025 642nd snoozingnewt 🇺🇸 874 95 341ms 8 Oct 2025 643rd NerdyMcNerd42 873 64 20ms 26 Oct 2022 643rd tpasfieldERAU 873 64 25ms 14 Nov 2022 643rd CheeseCake628 🇳🇴 873 64 22ms 6 Jan 2023 643rd adamnielson42 🇺🇸 873 64 22ms 25 Apr 2023 643rd nathsou 🇫🇷 873 64 21ms 2 Sep 2023 643rd zwxzwxzwx21 873 64 24ms 30 Jan 2024 643rd steffan-polygolf 873 64 21ms 8 Mar 2024 643rd Jacob385 873 64 62ms 4 Apr 2024 643rd gallium-gonzollium 873 64 28ms 26 Aug 2024 652nd johnnythedoggie 873 72 88ms 13 May 2022 652nd kaascevich 873 72 81ms 8 Jul 2025 654th DialFrost 🇸🇬 873 73 100ms 3 Jun 2025 655th HPWiz 🇳🇿 872 49 259ms 4 May 2022 655th JayXon 🇺🇸 872 49 274ms 5 May 2022 655th Steffan153 🇫🇮 872 49 303ms 10 Dec 2022 655th ovs-code 🇩🇪 872 49 407ms 24 Oct 2023 655th sean-niemann 🇺🇸 872 49 254ms 12 Jul 2024 660th dokutan 872 62 5ms 28 Apr 2025 661st Shanethegamer 🇺🇸 872 66 189ms 4 May 2022 661st scpchicken 🇵🇼 872 66 328ms 5 May 2022 661st sisyphus-ppcg 🇦🇺 872 66 170ms 6 May 2022 661st Natanaelel 🇸🇪 872 66 159ms 15 Jun 2022 661st Z-snails 872 66 339ms 27 Feb 2023 661st Jeremy-Stafford 872 66 333ms 27 Feb 2023 661st alomiF 872 66 367ms 1 Sep 2023 661st btnlq 872 66 144ms 17 Oct 2023 669th DialFrost 🇸🇬 872 86 49ms 24 Oct 2024 669th stefangimmillaro 872 86 49ms 14 Jan 2025 671st c0d3-4-F00d 🇩🇪 872 89 344ms 5 May 2022 671st fkantelberg 872 89 401ms 15 Jul 2023 671st bac0id 872 89 363ms 26 Sep 2023 671st TRexOnGit 872 89 360ms 16 Feb 2024 675th nwellnhof 🇩🇪 872 111 262ms 4 May 2022 First Prev 601–675 of 3,438 Next Last