💎 Oldest diamonds (uncontested gold medals) in C 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 JayXon 🇺🇸 Morse Encoder 28 Aug 2021 2nd Lydxn 🇨🇦 Emirp Numbers 19 Apr 2022 3rd Lydxn 🇨🇦 Lucky Numbers 19 Apr 2022 4th nwellnhof 🇩🇪 United States 30 Apr 2022 5th primo-ppcg 🇹🇭 Jacobi Symbol 21 May 2022 6th Lydxn 🇨🇦 Leap Years 24 Nov 2022 7th JayXon 🇺🇸 Arrows 5 Jan 2023 8th CatsAreFluffy Maze 6 Jan 2023 9th JayXon 🇺🇸 Morse Decoder 21 Jan 2023 10th JayXon 🇺🇸 Ordinal Numbers 18 Feb 2023 11th btnlq Seven Segment 7 May 2023 12th JayXon 🇺🇸 QR Decoder 7 May 2023 13th Alex-x90 🇺🇸 CSS Colors 16 Jul 2023 14th ovs-code 🇩🇪 Vampire Numbers 9 Nov 2023 15th rhdqor213 Number Spiral 26 Nov 2023 16th rhdqor213 λ 28 Nov 2023 17th saito-ta 🇯🇵 Lucky Tickets 9 Jan 2024 18th rhdqor213 Rule 110 31 Jan 2024 19th rhdqor213 Pascal’s Triangle 4 Feb 2024 20th AdrienHache 🇫🇷 Pangram Grep 20 Mar 2024 21st Lydxn 🇨🇦 Abundant Numbers 21 Apr 2024 22nd rhdqor213 Factorial Factorisation 28 Apr 2024 23rd ovs-code 🇩🇪 Look and Say 29 Apr 2024 24th ovs-code 🇩🇪 Proximity Grid 30 May 2024 25th ovs-code 🇩🇪 SI Units 31 May 2024 26th ovs-code 🇩🇪 Reverse Polish Notation 3 Jun 2024 27th ovs-code 🇩🇪 Hexdump 3 Jul 2024 28th ovs-code 🇩🇪 Levenshtein Distance 10 Jul 2024 29th ovs-code 🇩🇪 Kolakoski Constant 13 Jul 2024 30th rhdqor213 Inventory Sequence 22 Jul 2024 31st JayXon 🇺🇸 Ten-pin Bowling 23 Jul 2024 32nd ovs-code 🇩🇪 Sudoku (Fill-in) 27 Jul 2024 33rd rhdqor213 Happy Numbers (Long) 29 Jul 2024 34th rhdqor213 Zodiac Signs 22 Aug 2024 35th AdrienHache 🇫🇷 Rijndael S-box 30 Aug 2024 36th JayXon 🇺🇸 PalindromemordnilaP 18 Sep 2024 37th rhdqor213 Medal Tally 15 Nov 2024 38th KasperKivimaeki 🇫🇮 τ 18 Nov 2024 39th KasperKivimaeki 🇫🇮 π 18 Nov 2024 40th KasperKivimaeki 🇫🇮 ln 2 19 Nov 2024 41st rhdqor213 Intersection 11 Dec 2024 42nd rhdqor213 Transpose Sentence 15 Dec 2024 43rd rhdqor213 Leyland Numbers 17 Dec 2024 44th JayXon 🇺🇸 Tic-tac-toe 10 Feb 2025 45th ovs-code 🇩🇪 Star Wars Opening Crawl 20 Feb 2025 46th KasperKivimaeki 🇫🇮 DFA Simulator 18 Mar 2025 47th KasperKivimaeki 🇫🇮 Emojify 7 Apr 2025 48th KasperKivimaeki 🇫🇮 brainfuck 15 Apr 2025 49th rhdqor213 Partition Numbers 18 Apr 2025 50th rhdqor213 Gijswijt’s Sequence 3 May 2025 51st HPWiz 🇳🇿 Catalan Numbers 4 May 2025 52nd JayXon 🇺🇸 Musical Chords 18 May 2025 53rd KasperKivimaeki 🇫🇮 γ 4 Jun 2025 54th Alex-x90 🇺🇸 12 Days of Christmas 5 Jun 2025 55th saito-ta 🇯🇵 Mandelbrot 30 Jun 2025 56th inventshah Time Distance 8 Jul 2025 57th KasperKivimaeki 🇫🇮 Scrambled Sort 27 Jul 2025 58th nwellnhof 🇩🇪 ROT13 28 Jul 2025 59th saito-ta 🇯🇵 Star Wars GPT 1 Aug 2025 60th saito-ta 🇯🇵 Topological Sort 2 Aug 2025 61st rhdqor213 Smith Numbers 26 Aug 2025 62nd KasperKivimaeki 🇫🇮 Polyominoes 23 Sep 2025 63rd KasperKivimaeki 🇫🇮 Cubes 23 Sep 2025 64th Lydxn 🇨🇦 99 Bottles of Beer 29 Sep 2025 65th rhdqor213 Trinomial Triangle 5 Oct 2025 66th KasperKivimaeki 🇫🇮 Mahjong 13 Oct 2025 67th KasperKivimaeki 🇫🇮 Rock-paper-scissors-Spock-lizard 13 Oct 2025 68th KasperKivimaeki 🇫🇮 Poker 13 Oct 2025 69th KasperKivimaeki 🇫🇮 Spelling Numbers 15 Oct 2025 70th rucin93 🇵🇱 24 Game 22 Oct 2025 71st JayXon 🇺🇸 Forsyth–Edwards Notation 3 Nov 2025 72nd KasperKivimaeki 🇫🇮 Continued Fractions 20 Nov 2025 73rd rhdqor213 Minesweeper 3 Dec 2025 74th rhdqor213 Card Number Validation 5 Dec 2025 75th rhdqor213 Christmas Trees 8 Dec 2025 76th rhdqor213 Evil Numbers (Long) 8 Dec 2025 77th JayXon 🇺🇸 Tongue-twisters 9 Dec 2025 78th ovs-code 🇩🇪 N Queens 9 Dec 2025 79th rhdqor213 Odious Numbers (Long) 10 Dec 2025 80th sisyphus-ppcg 🇦🇺 Niven Numbers (Long) 11 Dec 2025 1–80 of 88 Next Last