💎 Oldest diamonds (uncontested gold medals) in Ruby in chars. Achievements Cheevos Holes Languages Medals Miscellaneous Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns 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 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 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 All Bytes Chars Overall 💎 Diamond Deltas Most Tied 🥇 Golds Oldest 💎 Diamonds Oldest 🦄 Unicorns Scoring All 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 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 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 # Golfer Hole Submitted 1st primo-ppcg 🇹🇭 Seven Segment 15 Oct 2018 2nd primo-ppcg 🇹🇭 Spelling Numbers 16 Oct 2018 3rd primo-ppcg 🇹🇭 Sierpiński Triangle 26 Jan 2019 4th primo-ppcg 🇹🇭 Ordinal Numbers 12 Jul 2019 5th primo-ppcg 🇹🇭 Rock-paper-scissors-Spock-lizard 25 Jul 2019 6th primo-ppcg 🇹🇭 Arabic to Roman 16 Aug 2019 7th primo-ppcg 🇹🇭 Ten-pin Bowling 28 Oct 2019 8th primo-ppcg 🇹🇭 United States 31 Jan 2020 9th primo-ppcg 🇹🇭 Sudoku 12 Feb 2020 10th primo-ppcg 🇹🇭 Cubes 6 Mar 2020 11th primo-ppcg 🇹🇭 Lucky Tickets 13 May 2020 12th primo-ppcg 🇹🇭 CSS Colors 26 Sep 2020 13th primo-ppcg 🇹🇭 λ 2 Nov 2020 14th sisyphus-ppcg 🇦🇺 Roman to Arabic 6 Apr 2021 15th GrayJoKing 🇦🇺 Recamán 23 Apr 2021 16th primo-ppcg 🇹🇭 Catalan’s Constant 4 Jan 2022 17th Lydxn 🇨🇦 Smith Numbers 23 Jan 2022 18th primo-ppcg 🇹🇭 Hexdump 4 May 2022 19th primo-ppcg 🇹🇭 Arrows 4 May 2022 20th primo-ppcg 🇹🇭 Jacobi Symbol 21 May 2022 21st Lydxn 🇨🇦 Pascal’s Triangle 18 Aug 2022 22nd Lydxn 🇨🇦 Fizz Buzz 19 Aug 2022 23rd Lydxn 🇨🇦 Leyland Numbers 19 Aug 2022 24th Lydxn 🇨🇦 ISBN 21 Aug 2022 25th Lydxn 🇨🇦 Reverse Polish Notation 21 Aug 2022 26th Lydxn 🇨🇦 Happy Numbers (Long) 21 Aug 2022 27th Lydxn 🇨🇦 Diamonds 29 Aug 2022 28th primo-ppcg 🇹🇭 Poker 14 Sep 2022 29th Lydxn 🇨🇦 Pernicious Numbers (Long) 14 Jan 2023 30th sisyphus-ppcg 🇦🇺 DFA Simulator 1 Nov 2023 31st Lydxn 🇨🇦 N Queens 3 May 2024 32nd sisyphus-ppcg 🇦🇺 brainfuck 12 Jun 2024 33rd kg583 🇺🇸 Mahjong 30 Jun 2024 34th radarek 🇵🇱 Foo Fizz Buzz Bar 4 Dec 2024 35th radarek 🇵🇱 Look and Say 5 Dec 2024 36th JayXon 🇺🇸 Musical Chords 27 Feb 2025 37th JayXon 🇺🇸 Tongue-twisters 12 Aug 2025 38th sean-niemann 🇺🇸 Sudoku (Fill-in) 25 Aug 2025 39th pardouin 🇫🇷 Hilbert Curve 31 Aug 2025 40th sean-niemann 🇺🇸 Polyominoes 16 Oct 2025 41st radarek 🇵🇱 Gijswijt’s Sequence 28 Dec 2025 42nd pardouin 🇫🇷 Multitap Input 28 Jan 2026 43rd Steffan153 🇫🇮 Calendar 16 days ago 44th Steffan153 🇫🇮 SI Units 15 days ago 45th JayXon 🇺🇸 Rijndael S-box 14 days ago 46th JayXon 🇺🇸 Medal Tally 13 days ago 47th JayXon 🇺🇸 Zodiac Signs 13 days ago 48th JayXon 🇺🇸 99 Bottles of Beer 13 days ago 49th Steffan153 🇫🇮 Proximity Grid 11 days ago 50th Steffan153 🇫🇮 Emirp Numbers (Long) 6 days ago 51st Steffan153 🇫🇮 Factorial Factorisation 6 days ago 52nd Steffan153 🇫🇮 Ascending Primes 6 days ago 53rd Steffan153 🇫🇮 Kaprekar Numbers 6 days ago 54th pardouin 🇫🇷 Number Spiral 6 days ago 55th pardouin 🇫🇷 Tic-tac-toe 6 days ago 56th pardouin 🇫🇷 Topological Sort 5 days ago 57th pardouin 🇫🇷 γ 5 days ago 58th Steffan153 🇫🇮 Minesweeper 5 days ago 59th Steffan153 🇫🇮 Game of Life 5 days ago 60th Steffan153 🇫🇮 QR Decoder 5 days ago 61st pardouin 🇫🇷 Vampire Numbers 4 days ago 62nd Steffan153 🇫🇮 Morse Decoder 4 days ago 63rd Steffan153 🇫🇮 Set 4 days ago 64th Steffan153 🇫🇮 Star Wars GPT 4 days ago 65th pardouin 🇫🇷 24 Game 4 days ago 66th Steffan153 🇫🇮 Arithmetic Numbers 4 days ago 67th Steffan153 🇫🇮 Time Distance 4 days ago 68th pardouin 🇫🇷 Billiards 3 days ago 1–68 of 68