Diamonds in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial 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 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring 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 Experimental Language 05AB1E APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 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 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 640th plcc0 650 70 38ms 28 Dec 2025 642nd SirBogman 🇺🇸 650 80 486ms 15 Jan 2024 642nd Shanethegamer 🇺🇸 650 80 427ms 16 Jan 2024 644th DaCoolOne 650 124 2ms 21 Nov 2019 644th frosster 🇨🇦 650 124 1ms 2 Nov 2025 646th alexsave 648 111 9ms 13 Nov 2025 647th marcin7Cd 646 85 16ms 1 Jan 2021 647th aposteriorist 🇨🇦 646 85 11ms 28 Jan 2022 647th keelimeguy 🇺🇸 646 85 10ms 7 May 2025 650th dokutan 646 100 75ms 23 Jan 2026 651st stefangimmillaro 646 167 282ms 13 Dec 2024 652nd Shanethegamer 🇺🇸 645 125 2ms 24 Jan 2024 653rd boxjelly 644 121 120ms 5 Jan 2021 654th stefangimmillaro 644 143 156ms 29 Oct 2023 655th Yewzir 🇧🇪 643 112 11ms 20 Apr 2023 655th Mabeloid 🇳🇴 643 112 10ms 26 Oct 2024 657th postie77 642 133 407ms 5 May 2023 658th Natanaelel 🇸🇪 641 71 36ms 9 Aug 2021 658th olivermrose 🇺🇸 641 71 36ms 25 Sep 2021 658th error256 641 71 38ms 2 days ago 661st angel-p57 🇯🇵 641 196 1ms 23 Nov 2023 662nd h3ra993huskp 🇯🇵 640 154 486ms 30 Nov 2025 663rd edre 638 86 16ms 7 Jun 2018 664th adamnielson42 🇺🇸 638 99 6ms 20 Nov 2023 665th iznax 637 113 10ms 2 Jul 2020 665th Salutations45 637 113 10ms 22 Nov 2024 667th dokutan 636 111 712ms 10 Dec 2025 668th rvdnieuwendijk 🇳🇱 635 75 231ms 14 Jul 2020 669th HumanoidCPU 635 82 397ms 9 May 2025 670th roelderickx 635 212 3ms 30 hours ago 671st MobDev-Hobby 634 41 39ms 9 Jan 2024 672nd mossr 🇺🇸 634 90 337ms 24 Feb 2021 673rd DialFrost 🇸🇬 634 99 5ms 8 Dec 2023 674th ovs-code 🇩🇪 634 102 3ms 7 Feb 2023 675th BrMorrison 634 123 122ms 6 Nov 2023 676th rifatx 633 135 433ms 6 Jul 2024 677th csharpython 632 72 34ms 28 Aug 2025 677th KatieLG 🇬🇧 632 72 37ms 7 Jan 2026 679th jeff-at-tamer-dot-codes 🇺🇸 631 87 11ms 6 Jun 2023 680th Shanethegamer 🇺🇸 631 124 36ms 13 Jun 2022 681st Steffan153 🇫🇮 631 199 2ms 20 days ago 682nd SirBogman 🇺🇸 629 51 32ms 13 Nov 2022 683rd prestosilver 🇺🇸 629 122 2ms 30 hours ago 684th yanjs 629 124 117ms 23 Jan 2022 684th strout 629 124 121ms 17 Aug 2022 686th janbehrens 🇩🇪 629 145 64ms 20 Nov 2022 687th bobbogomip 628 61 3ms 7 Nov 2018 688th Meowsan91 🇨🇿 628 136 405ms 21 Nov 2021 689th KasperKivimaeki 🇫🇮 628 172 270ms 3 hours ago 690th annaproxy 627 83 482ms 21 Jan 2024 691st frobinsonj 626 115 9ms 28 Jun 2018 691st draxler-h 626 115 9ms 13 Jan 2023 691st xyangst 626 115 10ms 28 Sep 2024 691st LukeBridges 🇬🇧 626 115 10ms 1 Oct 2024 695th AlephSquirrel 626 142 41ms 21 Mar 2025 696th green-beans 624 88 9ms 30 Jan 2021 696th zacjl 624 88 16ms 20 Sep 2024 696th wh3n3v3r 🇨🇿 624 88 10ms 13 Nov 2024 696th JunkIce 624 88 10ms 19 Jan 2025 696th Bulmenisaurus 624 88 19ms 7 Jul 2025 701st FlyingPenguin223 623 73 35ms 7 Nov 2023 701st DialFrost 🇸🇬 623 73 34ms 2 Jun 2024 701st Lv0Sys 🇵🇱 623 73 36ms 1 Dec 2025 701st D-MOVE 🇵🇭 623 73 35ms 17 days ago 705th janbehrens 🇩🇪 621 145 454ms 24 Mar 2022 706th jared-hughes 621 147 443ms 24 Jun 2022 707th didion0 🇺🇸 620 116 10ms 31 Jan 2022 707th fitzdotlol 🇺🇸 620 116 10ms 28 Mar 2022 709th Shanethegamer 🇺🇸 620 159 466ms 25 Sep 2025 710th annaproxy 619 126 121ms 15 Apr 2022 711th DialFrost 🇸🇬 618 85 4ms 12 Aug 2024 712th GrayJoKing 🇦🇺 618 149 150ms 17 Oct 2025 713th lostMia 617 89 9ms 17 Jun 2023 713th jatloe 617 89 10ms 26 Aug 2024 713th Languag3 617 89 11ms 5 Dec 2025 716th Shanethegamer 🇺🇸 617 127 125ms 28 Apr 2022 717th guliyevemil1 🇦🇿 617 175 295ms 30 Jan 2021 718th pilaf 🇦🇷 615 74 35ms 8 Apr 2022 718th sisyphus-ppcg 🇦🇺 615 74 39ms 18 Oct 2023 720th MeWhenI 🇻🇦 615 126 156ms 17 Nov 2022 First Prev 641–720 of 2,522 Next Last