💎 Oldest diamonds (uncontested gold medals) in COBOL 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 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 ><> 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 ><> 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 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 SirBogman 🇺🇸 CSS Colors 23 Nov 2022 2nd Lydxn 🇨🇦 Abundant Numbers 1 Aug 2023 3rd primo-ppcg 🇹🇭 Day of Week 2 Aug 2023 4th primo-ppcg 🇹🇭 Diamonds 2 Aug 2023 5th primo-ppcg 🇹🇭 Emojify 2 Aug 2023 6th primo-ppcg 🇹🇭 Kolakoski Sequence 2 Aug 2023 7th primo-ppcg 🇹🇭 Quine 2 Aug 2023 8th primo-ppcg 🇹🇭 Rule 110 2 Aug 2023 9th primo-ppcg 🇹🇭 United States 2 Aug 2023 10th primo-ppcg 🇹🇭 λ 2 Aug 2023 11th primo-ppcg 🇹🇭 Cubes 2 Aug 2023 12th primo-ppcg 🇹🇭 Forsyth–Edwards Notation 3 Aug 2023 13th primo-ppcg 🇹🇭 Look and Say 3 Aug 2023 14th primo-ppcg 🇹🇭 Musical Chords 3 Aug 2023 15th SirBogman 🇺🇸 Mahjong 17 Dec 2023 16th SirBogman 🇺🇸 Medal Tally 30 Dec 2023 17th MeWhenI 🇻🇦 24 Game 2 Mar 2024 18th SirBogman 🇺🇸 Reversi 9 Jul 2024 19th MeWhenI 🇻🇦 Maze 1 Aug 2024 20th MeWhenI 🇻🇦 DFA Simulator 1 Aug 2024 21st MostParsingVex N Queens 3 Aug 2024 22nd primo-ppcg 🇹🇭 Farey Sequence 22 Apr 2025 23rd primo-ppcg 🇹🇭 Fractions 22 Apr 2025 24th primo-ppcg 🇹🇭 ASCII Table 17 May 2025 25th primo-ppcg 🇹🇭 Spelling Numbers 21 May 2025 26th primo-ppcg 🇹🇭 Arrows 21 May 2025 27th MeWhenI 🇻🇦 Set 19 Jun 2025 28th primo-ppcg 🇹🇭 Seven Segment 20 Jun 2025 29th primo-ppcg 🇹🇭 Morse Encoder 20 Jun 2025 30th primo-ppcg 🇹🇭 QR Decoder 20 Jun 2025 31st primo-ppcg 🇹🇭 Proximity Grid 23 Jun 2025 32nd primo-ppcg 🇹🇭 brainfuck 24 Jun 2025 33rd primo-ppcg 🇹🇭 Ordinal Numbers 25 Jun 2025 34th primo-ppcg 🇹🇭 99 Bottles of Beer 25 Jun 2025 35th primo-ppcg 🇹🇭 Morse Decoder 25 Jun 2025 36th primo-ppcg 🇹🇭 Mandelbrot 1 Jul 2025 37th primo-ppcg 🇹🇭 ISBN 10 Jul 2025 38th primo-ppcg 🇹🇭 Prime Numbers (Long) 10 Jul 2025 39th primo-ppcg 🇹🇭 Factorial Factorisation 16 Jul 2025 40th MeWhenI 🇻🇦 SI Units 19 Jul 2025 41st primo-ppcg 🇹🇭 Hexdump 5 Aug 2025 42nd primo-ppcg 🇹🇭 𝑒 6 Aug 2025 43rd primo-ppcg 🇹🇭 √2 6 Aug 2025 44th primo-ppcg 🇹🇭 φ 6 Aug 2025 45th primo-ppcg 🇹🇭 τ 6 Aug 2025 46th primo-ppcg 🇹🇭 π 6 Aug 2025 47th primo-ppcg 🇹🇭 Zodiac Signs 6 Aug 2025 48th primo-ppcg 🇹🇭 Transpose Sentence 7 Aug 2025 49th primo-ppcg 🇹🇭 Tongue-twisters 8 Aug 2025 50th frankgraziano ROT13 11 Aug 2025 51st primo-ppcg 🇹🇭 Van Eck Sequence 13 Aug 2025 52nd primo-ppcg 🇹🇭 Vampire Numbers 13 Aug 2025 53rd primo-ppcg 🇹🇭 Time Distance 13 Aug 2025 54th primo-ppcg 🇹🇭 Tic-tac-toe 13 Aug 2025 55th primo-ppcg 🇹🇭 Ten-pin Bowling 13 Aug 2025 56th primo-ppcg 🇹🇭 Sudoku (Fill-in) 13 Aug 2025 57th primo-ppcg 🇹🇭 Sudoku 13 Aug 2025 58th primo-ppcg 🇹🇭 Star Wars Opening Crawl 13 Aug 2025 59th primo-ppcg 🇹🇭 Smith Numbers 13 Aug 2025 60th primo-ppcg 🇹🇭 Sierpiński Triangle 13 Aug 2025 61st primo-ppcg 🇹🇭 Roman to Arabic 13 Aug 2025 62nd primo-ppcg 🇹🇭 Rock-paper-scissors-Spock-lizard 13 Aug 2025 63rd primo-ppcg 🇹🇭 Rijndael S-box 13 Aug 2025 64th primo-ppcg 🇹🇭 Reverse Polish Notation 13 Aug 2025 65th primo-ppcg 🇹🇭 Repeating Decimals 13 Aug 2025 66th primo-ppcg 🇹🇭 Recamán 13 Aug 2025 67th primo-ppcg 🇹🇭 Poker 13 Aug 2025 68th primo-ppcg 🇹🇭 Pernicious Numbers (Long) 13 Aug 2025 69th primo-ppcg 🇹🇭 Pascal’s Triangle 13 Aug 2025 70th primo-ppcg 🇹🇭 Partition Numbers 13 Aug 2025 71st primo-ppcg 🇹🇭 Pangram Grep 13 Aug 2025 72nd primo-ppcg 🇹🇭 Odious Numbers (Long) 13 Aug 2025 73rd primo-ppcg 🇹🇭 Number Spiral 13 Aug 2025 74th primo-ppcg 🇹🇭 Niven Numbers (Long) 13 Aug 2025 75th primo-ppcg 🇹🇭 Lucky Tickets 13 Aug 2025 76th primo-ppcg 🇹🇭 Lucky Numbers 13 Aug 2025 77th primo-ppcg 🇹🇭 Leyland Numbers 13 Aug 2025 78th primo-ppcg 🇹🇭 ln 2 13 Aug 2025 79th primo-ppcg 🇹🇭 Levenshtein Distance 13 Aug 2025 80th primo-ppcg 🇹🇭 Kolakoski Constant 13 Aug 2025 1–80 of 115 Next Last