💎 Oldest diamonds (uncontested gold medals) in ALGOL 68 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 ><> 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 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 HumanoidCPU Tower of Hanoi 1 Dec 2025 2nd frankgraziano ASCII Table 15 days ago 3rd frankgraziano Seven Segment 15 days ago 4th frankgraziano Fizz Buzz 14 days ago 5th frankgraziano Multitap Input 14 days ago 6th frankgraziano 12 Days of Christmas 12 days ago 7th frankgraziano ROT13 9 days ago 8th frankgraziano Rijndael S-box 9 days ago 9th Steffan153 🇫🇮 Evil Numbers 16 hours ago 10th Steffan153 🇫🇮 Odious Numbers 16 hours ago 11th KatieLG 🇬🇧 United States 15 hours ago 12th KatieLG 🇬🇧 CSS Colors 15 hours ago 13th KatieLG 🇬🇧 Lucky Tickets 15 hours ago 14th KatieLG 🇬🇧 Musical Chords 15 hours ago 15th KatieLG 🇬🇧 Rock-paper-scissors-Spock-lizard 15 hours ago 16th KatieLG 🇬🇧 SI Units 15 hours ago 17th frankgraziano Ascending Primes 15 hours ago 18th frankgraziano Happy Numbers (Long) 15 hours ago 19th frankgraziano Partition Numbers 15 hours ago 20th frankgraziano Pernicious Numbers (Long) 15 hours ago 21st GrayJoKing 🇦🇺 Recamán 14 hours ago 22nd GrayJoKing 🇦🇺 Van Eck Sequence 14 hours ago 23rd frankgraziano Emirp Numbers (Long) 13 hours ago 24th dokutan N Queens 13 hours ago 25th frankgraziano Morse Encoder 13 hours ago 26th frankgraziano Arabic to Roman 13 hours ago 27th dokutan 24 Game 13 hours ago 28th dokutan Catalan’s Constant 13 hours ago 29th dokutan Emirp Numbers 13 hours ago 30th dokutan Kaprekar Numbers 13 hours ago 31st dokutan Kolakoski Constant 13 hours ago 32nd dokutan Leyland Numbers 13 hours ago 33rd dokutan Look and Say 13 hours ago 34th dokutan Lucky Numbers 13 hours ago 35th dokutan Number Spiral 13 hours ago 36th dokutan Polyominoes 13 hours ago 37th dokutan Smith Numbers 13 hours ago 38th dokutan Trinomial Triangle 13 hours ago 39th dokutan Vampire Numbers 13 hours ago 40th dokutan γ 13 hours ago 41st dokutan λ 13 hours ago 42nd frankgraziano Pangram Grep 13 hours ago 43rd frankgraziano 99 Bottles of Beer 13 hours ago 44th GrayJoKing 🇦🇺 Inventory Sequence 13 hours ago 45th GrayJoKing 🇦🇺 Odious Numbers (Long) 12 hours ago 46th GrayJoKing 🇦🇺 Evil Numbers (Long) 12 hours ago 47th dokutan Hilbert Curve 12 hours ago 48th dokutan Tongue-twisters 12 hours ago 49th dokutan Mandelbrot 12 hours ago 50th dokutan Christmas Trees 12 hours ago 51st dokutan Sierpiński Triangle 12 hours ago 52nd dokutan Cubes 12 hours ago 53rd dokutan Gijswijt’s Sequence 11 hours ago 54th dokutan Diamonds 11 hours ago 55th edsrzf 🇳🇿 ISBN 11 hours ago 56th GrayJoKing 🇦🇺 Prime Numbers (Long) 11 hours ago 57th GrayJoKing 🇦🇺 Factorial Factorisation 11 hours ago 58th Steffan153 🇫🇮 Foo Fizz Buzz Bar 11 hours ago 59th frankgraziano brainfuck 10 hours ago 60th frankgraziano Day of Week 10 hours ago 61st frankgraziano Levenshtein Distance 10 hours ago 62nd frankgraziano Ordinal Numbers 10 hours ago 63rd frankgraziano Roman to Arabic 10 hours ago 64th dokutan Morse Decoder 10 hours ago 65th dokutan Spelling Numbers 10 hours ago 66th GrayJoKing 🇦🇺 Kolakoski Sequence 10 hours ago 67th Steffan153 🇫🇮 Happy Numbers 9 hours ago 68th Steffan153 🇫🇮 Abundant Numbers 9 hours ago 69th GolfingSuccess 🇬🇷 Farey Sequence 9 hours ago 70th GolfingSuccess 🇬🇷 Arithmetic Numbers 9 hours ago 71st GolfingSuccess 🇬🇷 Abundant Numbers (Long) 8 hours ago 72nd Steffan153 🇫🇮 Pernicious Numbers 7 hours ago 73rd Steffan153 🇫🇮 Pascal’s Triangle 7 hours ago 74th edsrzf 🇳🇿 Card Number Validation 5 hours ago 75th edsrzf 🇳🇿 π 4 hours ago 76th edsrzf 🇳🇿 τ 4 hours ago 77th edsrzf 🇳🇿 Rule 110 3 hours ago 78th edsrzf 🇳🇿 𝑒 3 hours ago 79th edsrzf 🇳🇿 ln 2 3 hours ago 80th edsrzf 🇳🇿 √2 3 hours ago 1–80 of 81 Next Last