💎 Oldest diamonds (uncontested gold medals) in Crystal 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 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 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 24 Mar 2021 2nd GrayJoKing 🇦🇺 Recamán 23 Apr 2021 3rd JayXon 🇺🇸 Smith Numbers 7 Oct 2021 4th primo-ppcg 🇹🇭 United States 29 Oct 2021 5th primo-ppcg 🇹🇭 Arabic to Roman 24 Dec 2021 6th JayXon 🇺🇸 brainfuck 9 Jan 2022 7th JayXon 🇺🇸 99 Bottles of Beer 8 Apr 2022 8th JayXon 🇺🇸 Time Distance 16 Apr 2022 9th Lydxn 🇨🇦 Arrows 3 May 2022 10th JayXon 🇺🇸 Tongue-twisters 15 Aug 2022 11th JayXon 🇺🇸 Spelling Numbers 19 Aug 2022 12th primo-ppcg 🇹🇭 Emirp Numbers (Long) 6 Nov 2022 13th JayXon 🇺🇸 QR Decoder 6 May 2023 14th JayXon 🇺🇸 Rock-paper-scissors-Spock-lizard 12 May 2023 15th JayXon 🇺🇸 λ 12 May 2023 16th JayXon 🇺🇸 Vampire Numbers 12 May 2023 17th JayXon 🇺🇸 Cubes 12 May 2023 18th JayXon 🇺🇸 Intersection 17 Jul 2023 19th Lydxn 🇨🇦 Catalan’s Constant 5 Aug 2023 20th JayXon 🇺🇸 Kolakoski Constant 5 Aug 2023 21st JayXon 🇺🇸 12 Days of Christmas 10 Aug 2023 22nd primo-ppcg 🇹🇭 Jacobi Symbol 7 Oct 2023 23rd JayXon 🇺🇸 π 28 Oct 2023 24th JayXon 🇺🇸 τ 28 Oct 2023 25th JayXon 🇺🇸 Ascending Primes 4 Jan 2024 26th JayXon 🇺🇸 Sudoku 3 Apr 2024 27th JayXon 🇺🇸 Poker 6 Apr 2024 28th JayXon 🇺🇸 Factorial Factorisation 19 Apr 2024 29th JayXon 🇺🇸 ISBN 22 Jun 2024 30th JayXon 🇺🇸 Rijndael S-box 10 Jul 2024 31st kg583 🇺🇸 Mahjong 22 Aug 2024 32nd error256 PalindromemordnilaP 3 Sep 2024 33rd JayXon 🇺🇸 Kaprekar Numbers 2 Nov 2024 34th error256 Number Spiral 19 Nov 2024 35th emgordon154 Pangram Grep 25 Nov 2024 36th stefangimmillaro Hexdump 4 Dec 2024 37th stefangimmillaro Reverse Polish Notation 10 Dec 2024 38th ovs-code 🇩🇪 Polyominoes 10 Jan 2025 39th JayXon 🇺🇸 Musical Chords 27 Feb 2025 40th pardouin 🇫🇷 Billiards 11 Apr 2025 41st JayXon 🇺🇸 Medal Tally 24 May 2025 42nd JayXon 🇺🇸 Scrambled Sort 13 Jun 2025 43rd sean-niemann 🇺🇸 24 Game 6 Jul 2025 44th sean-niemann 🇺🇸 Zodiac Signs 10 Jul 2025 45th pardouin 🇫🇷 Farey Sequence 20 Jul 2025 46th JayXon 🇺🇸 Leyland Numbers 28 Jul 2025 47th JayXon 🇺🇸 ROT13 28 Jul 2025 48th canissimia 🇦🇶 Maze 29 Jul 2025 49th JayXon 🇺🇸 Morse Encoder 31 Jul 2025 50th pardouin 🇫🇷 Topological Sort 5 Aug 2025 51st pardouin 🇫🇷 SI Units 21 Aug 2025 52nd JayXon 🇺🇸 Morse Decoder 25 Aug 2025 53rd pardouin 🇫🇷 ASCII Table 31 Aug 2025 54th pardouin 🇫🇷 Star Wars Opening Crawl 10 Sep 2025 55th radarek 🇵🇱 Trinomial Triangle 1 Oct 2025 56th emgordon154 Sudoku (Fill-in) 4 Oct 2025 57th JayXon 🇺🇸 √2 16 Oct 2025 58th canissimia 🇦🇶 Hilbert Curve 17 Oct 2025 59th JayXon 🇺🇸 Tower of Hanoi 20 Dec 2025 60th error256 Set 22 Jan 2026 61st edsrzf 🇳🇿 Calendar 30 Jan 2026 62nd edsrzf 🇳🇿 N Queens 14 days ago 63rd Steffan153 🇫🇮 Continued Fractions 2 days ago 1–63 of 63
