💎 Oldest diamonds (uncontested gold medals) in Crystal 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 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 Gray Code Decoder Gray Code Encoder 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 Gray Code Decoder Gray Code Encoder 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 JayXon 🇺🇸 12 Days of Christmas 10 Dec 2021 6th primo-ppcg 🇹🇭 Arabic to Roman 24 Dec 2021 7th JayXon 🇺🇸 brainfuck 9 Jan 2022 8th primo-ppcg 🇹🇭 Vampire Numbers 9 Jan 2022 9th JayXon 🇺🇸 99 Bottles of Beer 8 Apr 2022 10th JayXon 🇺🇸 Time Distance 16 Apr 2022 11th Lydxn 🇨🇦 Arrows 3 May 2022 12th JayXon 🇺🇸 Tongue-twisters 4 May 2022 13th MeWhenI 🇻🇦 Spelling Numbers 17 Aug 2022 14th primo-ppcg 🇹🇭 Emirp Numbers (Long) 6 Nov 2022 15th JayXon 🇺🇸 Rock-paper-scissors-Spock-lizard 29 Apr 2023 16th JayXon 🇺🇸 QR Decoder 6 May 2023 17th JayXon 🇺🇸 Intersection 17 Jul 2023 18th Lydxn 🇨🇦 Catalan’s Constant 5 Aug 2023 19th JayXon 🇺🇸 Kolakoski Constant 5 Aug 2023 20th primo-ppcg 🇹🇭 Jacobi Symbol 7 Oct 2023 21st JayXon 🇺🇸 π 28 Oct 2023 22nd JayXon 🇺🇸 τ 28 Oct 2023 23rd m-tkach 🇺🇦 CSS Colors 3 Jan 2024 24th JayXon 🇺🇸 Ascending Primes 4 Jan 2024 25th JayXon 🇺🇸 Sudoku 3 Apr 2024 26th JayXon 🇺🇸 Poker 6 Apr 2024 27th Lydxn 🇨🇦 Forsyth–Edwards Notation 7 Apr 2024 28th JayXon 🇺🇸 Factorial Factorisation 19 Apr 2024 29th JayXon 🇺🇸 ISBN 22 Jun 2024 30th JayXon 🇺🇸 Rijndael S-box 10 Jul 2024 31st error256 PalindromemordnilaP 3 Sep 2024 32nd error256 Number Spiral 19 Nov 2024 33rd emgordon154 Pangram Grep 25 Nov 2024 34th stefangimmillaro Hexdump 4 Dec 2024 35th stefangimmillaro Reverse Polish Notation 10 Dec 2024 36th ovs-code 🇩🇪 Polyominoes 10 Jan 2025 37th ovs-code 🇩🇪 Cubes 14 Feb 2025 38th JayXon 🇺🇸 Musical Chords 27 Feb 2025 39th pardouin 🇫🇷 Billiards 11 Apr 2025 40th JayXon 🇺🇸 Medal Tally 24 May 2025 41st JayXon 🇺🇸 Scrambled Sort 13 Jun 2025 42nd sean-niemann 🇺🇸 Zodiac Signs 10 Jul 2025 43rd JayXon 🇺🇸 Leyland Numbers 28 Jul 2025 44th JayXon 🇺🇸 ROT13 28 Jul 2025 45th canissimia 🇦🇶 Maze 29 Jul 2025 46th JayXon 🇺🇸 Morse Encoder 31 Jul 2025 47th pardouin 🇫🇷 Topological Sort 5 Aug 2025 48th pardouin 🇫🇷 Morse Decoder 26 Aug 2025 49th pardouin 🇫🇷 ASCII Table 31 Aug 2025 50th pardouin 🇫🇷 Star Wars Opening Crawl 10 Sep 2025 51st radarek 🇵🇱 Trinomial Triangle 1 Oct 2025 52nd emgordon154 Sudoku (Fill-in) 6 Oct 2025 53rd JayXon 🇺🇸 √2 16 Oct 2025 54th edsrzf 🇳🇿 Mahjong 19 Oct 2025 55th canissimia 🇦🇶 Hilbert Curve 2 Dec 2025 56th error256 Gray Code Decoder 15 Jan 2026 57th error256 Set 22 Jan 2026 58th edsrzf 🇳🇿 SI Units 30 Jan 2026 59th edsrzf 🇳🇿 Calendar 30 Jan 2026 60th Steffan153 🇫🇮 Continued Fractions 1 Mar 2026 61st edsrzf 🇳🇿 N Queens 4 Mar 2026 62nd JayXon 🇺🇸 Proximity Grid 13 Mar 2026 63rd JayXon 🇺🇸 λ 22 days ago 64th JayXon 🇺🇸 Kaprekar Numbers 5 days ago 1–64 of 64
