Diamonds in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal 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 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 376th jared-hughes 760 89 3ms 4 Jan 2023 377th AlephSquirrel 760 114 4ms 6 Aug 2024 378th GrayJoKing 🇦🇺 759 166 2ms 7 Feb 2021 379th tailorspy 758 121 77ms 24 May 2024 380th anter69 🇭🇺 757 87 924ms 13 Mar 2025 381st inventshah 757 102 3ms 17 Dec 2022 382nd JRaspass 🇬🇧 756 60 133ms 3 Apr 2022 383rd targrik 756 84 9ms 9 Sep 2025 384th MeWhenI 🇻🇦 756 85 4ms 17 Feb 2025 385th vezzick 756 87 9ms 12 Mar 2021 385th hallvabo 🇳🇴 756 87 17ms 6 Apr 2024 385th tri1212 🇻🇳 756 87 11ms 30 Jun 2024 388th prplz 🇦🇺 755 64 218ms 28 Dec 2021 389th Maznek 754 96 10ms 23 Jun 2023 389th voytxt 🇨🇿 754 96 10ms 8 Mar 2025 391st lynn 754 104 103ms 18 May 2021 392nd CLOStrophobic 🇮🇹 753 124 7ms 23 Apr 2025 393rd inventshah 752 122 446ms 17 Dec 2022 393rd Alex-x90 🇺🇸 752 122 423ms 15 Feb 2023 395th codereport 🇨🇦 751 77 484ms 17 Apr 2025 396th MeWhenI 🇻🇦 751 122 47ms 13 Feb 2025 397th olleicua 🇺🇸 750 44 47ms 11 Mar 2024 398th drew-loukusa 749 64 3ms 7 Mar 2020 399th green-beans 747 88 10ms 30 Jan 2021 399th ndren 747 88 11ms 12 Nov 2023 399th zacjl 747 88 22ms 20 Sep 2024 399th Bulmenisaurus 747 88 21ms 7 Jul 2025 399th InigoK 🇺🇸 747 88 11ms 10 Sep 2025 404th rucin93 🇵🇱 747 97 2ms 23 Apr 2025 405th snoozingnewt 🇺🇸 746 97 13ms 1 Nov 2023 406th albanian-laundromat 746 253 1,016ms 4 days ago 407th annaproxy 743 83 556ms 21 Jan 2024 407th lifthrasiir 🇰🇷 743 83 508ms 2 Dec 2024 409th the-zammers 743 106 136ms 10 Nov 2023 409th YAJUE114514 743 106 155ms 30 Jul 2025 411th Steffan153 🇫🇮 742 139 28ms 27 Dec 2022 412th m-tkach 🇺🇦 742 147 27ms 16 May 2022 413th Irratix 🇳🇱 739 89 20ms 29 Apr 2022 413th ZakkkkAttackkkk 🇵🇭 739 89 10ms 16 Aug 2022 413th steffan-polygolf 739 89 10ms 7 Mar 2024 416th Natanaelel 🇸🇪 738 65 2ms 9 Aug 2021 417th cywong-amino 🇭🇰 738 98 8ms 7 Oct 2020 418th GrayJoKing 🇦🇺 736 70 33ms 28 May 2021 418th prplz 🇦🇺 736 70 34ms 29 Dec 2021 418th janlelis 736 70 34ms 13 Sep 2024 421st zacjl 736 105 3ms 10 Nov 2023 422nd HolmDev 736 107 147ms 4 Sep 2025 423rd GrayJoKing 🇦🇺 736 140 26ms 6 Jan 2023 424th andersk 🇺🇸 735 92 3ms 21 Mar 2020 425th emgordon154 735 117 4ms 28 Dec 2024 425th kg583 🇺🇸 735 117 4ms 4 hours ago 427th btnlq 734 79 2ms 16 Nov 2022 428th inventshah 734 80 2ms 8 Sep 2022 429th billings7 🇬🇧 734 117 374ms 21 Nov 2021 429th hemphen 734 117 351ms 26 Sep 2022 429th Yax42 🇫🇷 734 117 385ms 15 Jun 2025 429th namelessiw 734 117 355ms 19 Jun 2025 433rd stefangimmillaro 734 135 452ms 17 days ago 434th jwhear 🇺🇸 734 209 1,875ms 1 Oct 2024 435th GrayJoKing 🇦🇺 733 45 2ms 12 Feb 2022 435th Natanaelel 🇸🇪 733 45 39ms 29 Jul 2022 437th NickTheEASDude 🇺🇸 733 111 2ms 29 Jan 2025 438th SirBogman 🇺🇸 732 51 35ms 13 Nov 2022 439th scpchicken 🇵🇼 732 62 109ms 26 Mar 2022 440th BambooleanLogic 🇸🇪 731 99 9ms 5 Dec 2022 440th tayloia 🇬🇧 731 99 9ms 16 May 2023 442nd jared-hughes 730 90 11ms 7 Oct 2021 442nd LogicalJoe 730 90 11ms 29 Sep 2022 442nd AlephSquirrel 730 90 15ms 3 Dec 2022 442nd DialFrost 🇸🇬 730 90 9ms 12 Dec 2022 442nd inventshah 730 90 11ms 24 Sep 2023 442nd KasperKivimaeki 🇫🇮 730 90 12ms 12 Jul 2025 442nd LHuitre 730 90 10ms 1 Sep 2025 449th kaascevich 730 127 134ms 24 Jul 2025 450th jared-hughes 729 106 3ms 3 Nov 2023 First Prev 376–450 of 2,353 Next Last