Intersection in Ruby 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 1st nwellnhof 🇩🇪 1,000 60 66ms 9 Jan 2022 1st Lydxn 🇨🇦 1,000 60 65ms 28 Feb 2022 1st JayXon 🇺🇸 1,000 60 68ms 17 Jul 2023 1st pardouin 🇫🇷 1,000 60 68ms 26 Jul 2025 5th primo-ppcg 🇹🇭 984 61 36ms 4 May 2022 6th Steffan153 🇫🇮 923 65 38ms 20 hours ago 7th sisyphus-ppcg 🇦🇺 870 69 44ms 12 Oct 2023 8th ovs-code 🇩🇪 857 70 38ms 11 Jul 2024 9th GrayJoKing 🇦🇺 845 71 43ms 5 Aug 2023 10th MeWhenI 🇻🇦 833 72 68ms 16 Aug 2022 10th SirBogman 🇺🇸 833 72 63ms 20 Nov 2022 12th anter69 🇭🇺 769 78 66ms 19 Mar 2024 13th Shanethegamer 🇺🇸 759 79 37ms 24 Mar 2023 14th DialFrost 🇸🇬 750 80 36ms 5 Jan 2023 15th KatieLG 🇬🇧 732 82 36ms 2 Oct 2025 16th csharpython 723 83 35ms 16 Oct 2025 17th tatzyr 🇯🇵 706 85 38ms 18 Dec 2024 18th olleicua 🇺🇸 698 86 37ms 25 Mar 2025 19th snoozingnewt 🇨🇦 645 93 38ms 14 Oct 2025 20th stefangimmillaro 594 101 57ms 26 Dec 2024 21st blaztoma 🇱🇹 583 103 37ms 15 Oct 2025 22nd D-MOVE 🇵🇭 577 104 66ms 17 days ago 23rd Waffle3z 571 105 37ms 12 Oct 2020 23rd emgordon154 571 105 38ms 20 Nov 2024 25th jared-hughes 566 106 40ms 9 Sep 2022 25th lacrosse 566 106 44ms 27 Nov 2025 27th Natanaelel 🇸🇪 550 109 35ms 27 May 2021 27th orthoplex 🇨🇽 550 109 37ms 30 Mar 2022 27th OhmNomNom 550 109 65ms 1 Nov 2022 27th aaronze 🇦🇺 550 109 38ms 17 Sep 2023 31st hiddicop 🇸🇪 545 110 40ms 28 Jan 2021 31st annaproxy 545 110 37ms 4 Jan 2022 33rd Andriamanitra 🇫🇮 536 112 36ms 20 Jul 2022 34th adoxography 526 114 39ms 23 Jan 2021 35th schachmattmatt 508 118 38ms 11 Aug 2021 36th boxjelly 480 125 38ms 9 Feb 2021 36th akshatj27 🇦🇶 480 125 37ms 30 Dec 2021 38th KrausRaus 🇺🇸 472 127 37ms 30 Dec 2021 38th Haksell 🇦🇶 472 127 326ms 22 Feb 2023 40th idoschor 469 128 37ms 1 Dec 2020 41st aksyristos 462 130 37ms 8 Sep 2024 42nd TheZwierzLF 🇵🇱 392 153 37ms 25 Dec 2025 43rd KatieLG-Transpiler 🇬🇧 202 297 38ms 3 Jul 2022 1–43 of 43