💎 Oldest diamonds (uncontested gold medals) in Haskell in bytes. 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 HPWiz 🇳🇿 𝑒 3 Jul 2018 2nd HPWiz 🇳🇿 τ 25 Jun 2020 3rd HPWiz 🇳🇿 π 25 Jun 2020 4th xnor-gate Kolakoski Constant 8 Apr 2021 5th lynn Arrows 29 Aug 2021 6th JayXon 🇺🇸 Morse Encoder 9 Oct 2021 7th xnor-gate Cubes 25 Dec 2021 8th lynn Hexdump 1 May 2022 9th lynn Time Distance 22 May 2022 10th primo-ppcg 🇹🇭 Jacobi Symbol 28 May 2022 11th JayXon 🇺🇸 Tongue-twisters 2 Jun 2022 12th JayXon 🇺🇸 United States 1 Aug 2022 13th ovs-code 🇩🇪 γ 1 Mar 2023 14th Lydxn 🇨🇦 Inventory Sequence 27 Jun 2023 15th HPWiz 🇳🇿 Spelling Numbers 13 Jul 2023 16th lynn Medal Tally 15 Jul 2023 17th HPWiz 🇳🇿 99 Bottles of Beer 22 Jul 2023 18th ovs-code 🇩🇪 Arithmetic Numbers 13 Oct 2023 19th btnlq Emirp Numbers 15 Oct 2023 20th btnlq Emirp Numbers (Long) 15 Oct 2023 21st ovs-code 🇩🇪 Ten-pin Bowling 1 Nov 2023 22nd ovs-code 🇩🇪 DFA Simulator 17 Nov 2023 23rd ovs-code 🇩🇪 Repeating Decimals 18 Nov 2023 24th ovs-code 🇩🇪 Sudoku (Fill-in) 21 Nov 2023 25th ovs-code 🇩🇪 Mahjong 11 Jan 2024 26th Steffan153 🇫🇮 Farey Sequence 13 Jan 2024 27th ovs-code 🇩🇪 CSS Colors 30 Jan 2024 28th ovs-code 🇩🇪 QR Decoder 30 Jan 2024 29th ovs-code 🇩🇪 SI Units 30 Jan 2024 30th ovs-code 🇩🇪 Morse Decoder 30 Jan 2024 31st Steffan153 🇫🇮 Arabic to Roman 9 Feb 2024 32nd ovs-code 🇩🇪 24 Game 11 Mar 2024 33rd JayXon 🇺🇸 Emojify 23 Apr 2024 34th lynn N Queens 6 May 2024 35th ovs-code 🇩🇪 Rock-paper-scissors-Spock-lizard 7 May 2024 36th ovs-code 🇩🇪 Maze 22 May 2024 37th HPWiz 🇳🇿 Musical Chords 27 May 2024 38th ovs-code 🇩🇪 Reversi 2 Jun 2024 39th ovs-code 🇩🇪 Rijndael S-box 12 Jun 2024 40th Steffan153 🇫🇮 Number Spiral 16 Jun 2024 41st lynn Zeckendorf Representation 2 Jul 2024 42nd ovs-code 🇩🇪 Zodiac Signs 4 Jul 2024 43rd ovs-code 🇩🇪 Sudoku 11 Jul 2024 44th ovs-code 🇩🇪 Collatz 5 Aug 2024 45th HPWiz 🇳🇿 brainfuck 23 Aug 2024 46th ovs-code 🇩🇪 Card Number Validation 2 Oct 2024 47th ovs-code 🇩🇪 Kaprekar Numbers 1 Nov 2024 48th ovs-code 🇩🇪 Billiards 4 Jan 2025 49th ovs-code 🇩🇪 Star Wars Opening Crawl 6 Jan 2025 50th lynn Polyominoes 8 Jan 2025 51st xnor-gate 12 Days of Christmas 16 Jan 2025 52nd ovs-code 🇩🇪 Poker 24 Mar 2025 53rd Sakisan 🇧🇪 Set 11 Apr 2025 54th Sakisan 🇧🇪 Star Wars GPT 5 May 2025 55th lynn Hilbert Curve 30 Sep 2025 56th ovs-code 🇩🇪 λ 5 Nov 2025 57th ovs-code 🇩🇪 Tower of Hanoi 28 Nov 2025 58th lynn Factorial Factorisation 5 Dec 2025 59th ovs-code 🇩🇪 Calendar 19 Dec 2025 60th ovs-code 🇩🇪 Minesweeper 20 Dec 2025 61st ovs-code 🇩🇪 Proximity Grid 20 Dec 2025 62nd JayXon 🇺🇸 Smith Numbers 21 Dec 2025 63rd ovs-code 🇩🇪 Mandelbrot 27 days ago 64th ovs-code 🇩🇪 Multitap Input 6 days ago 1–64 of 64