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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 Binary Lambda Calculus Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 601st Indivicivet 671 98 11ms 11 Mar 2021 601st IshanPanpaliya 671 98 10ms 6 Oct 2022 601st celiendonze 🇨🇭 671 98 12ms 18 Apr 2023 601st chartung17 671 98 11ms 31 Dec 2023 601st Shanethegamer 🇺🇸 671 98 11ms 24 Jan 2024 601st cardosoo 671 98 10ms 6 Oct 2024 601st Artemis21 🇬🇧 671 98 13ms 21 Dec 2024 601st andrewjc2000 671 98 10ms 2 Jul 2025 601st Nhan-TRANvan_keyloop 671 98 10ms 20 Aug 2025 601st countlpaul-dotcom 671 98 10ms 26 days ago 611th error256 671 113 443ms 28 Jun 2024 612th bzijlema 🇳🇱 671 160 269ms 30 Jan 2024 613th Yewzir 🇧🇪 670 92 622ms 4 Feb 2024 614th primo-ppcg 🇹🇭 670 117 124ms 1 May 2023 615th MeWhenI 🇻🇦 670 119 107ms 15 Oct 2022 616th aposteriorist 🇨🇦 670 136 463ms 4 Mar 2022 617th aksyristos 669 77 35ms 31 Jan 2023 617th tatzyr 🇯🇵 669 77 34ms 10 Dec 2024 619th clockworknazo 667 87 3ms 15 Nov 2022 620th kops-cg 667 118 132ms 14 Apr 2021 621st Grrisly 666 116 2ms 7 Nov 2023 622nd dokutan 665 87 337ms 30 Apr 2024 623rd MateuszPietrzak 🇵🇱 665 138 2,259ms 17 Nov 2023 624th drew-loukusa 664 99 12ms 26 May 2020 624th Secozzi 664 99 13ms 20 Oct 2020 624th seanshpark 664 99 10ms 18 Dec 2020 624th soalyer 664 99 10ms 9 Nov 2021 624th CodyMiner 664 99 10ms 14 Nov 2021 624th MichalMarsalek 🇨🇿 664 99 13ms 23 Oct 2022 624th logvp 664 99 11ms 6 Oct 2024 624th BREMAUCY 🇫🇷 664 99 10ms 7 Aug 2025 632nd stefangimmillaro 664 109 8ms 17 Oct 2023 632nd KrausRaus 🇺🇸 664 109 9ms 13 Dec 2023 632nd olleicua 🇺🇸 664 109 9ms 5 Feb 2024 632nd junkondo-jp 664 109 9ms 30 Jun 2024 632nd targrik 664 109 8ms 8 Jun 2025 637th MeWhenI 🇻🇦 664 152 9ms 12 Apr 2024 638th MeWhenI 🇻🇦 663 93 337ms 17 Jan 2024 638th emgordon154 663 93 465ms 7 Jun 2025 638th albanian-laundromat 663 93 581ms 5 Oct 2025 641st emgordon154 660 50 2ms 26 days ago 642nd bendapootie 660 117 3ms 10 Jul 2020 643rd alexkunin 658 110 9ms 6 Jul 2019 643rd Yax42 🇫🇷 658 110 8ms 6 Sep 2025 645th minetoblend 658 133 2,078ms 9 Oct 2025 646th lukechampine 658 163 255ms 19 Apr 2020 646th MeWhenI 🇻🇦 658 163 277ms 10 Feb 2023 648th prplz 🇦🇺 657 69 140ms 22 Mar 2020 649th ZakkkkAttackkkk 🇵🇭 657 84 53ms 26 Dec 2021 650th PiterAnnema 657 100 10ms 23 Mar 2022 650th neihousaigaai 657 100 13ms 17 Apr 2022 650th Heathcorp 🇦🇺 657 100 11ms 2 Dec 2022 650th aksyristos 657 100 11ms 2 Feb 2023 650th 5quiwyrm 657 100 11ms 27 Jul 2023 650th CornerMercury 🇬🇧 657 100 10ms 6 Aug 2023 650th snoozingnewt 🇺🇸 657 100 11ms 23 Sep 2023 650th madex 🇩🇪 657 100 14ms 9 Jul 2024 650th LostSyntax21 🇬🇧 657 100 11ms 2 Dec 2024 650th Pyroan 657 100 13ms 21 Feb 2025 650th LvLError 657 100 10ms 29 May 2025 650th Lv0Sys 🇵🇱 657 100 10ms 30 May 2025 650th Flekay 🇩🇪 657 100 14ms 10 Jul 2025 650th vgamula 🇺🇦 657 100 10ms 5 Aug 2025 664th FEZfan 🇦🇺 656 94 660ms 26 Apr 2025 665th DaCoolOne 656 124 2ms 21 Nov 2019 665th frosster 656 124 2ms 12 days ago 667th stefangimmillaro 656 131 340ms 15 Jun 2025 668th primo-ppcg 🇹🇭 656 151 336ms 25 Sep 2020 669th stefangimmillaro 655 143 155ms 29 Oct 2023 670th anter69 🇭🇺 652 79 35ms 7 Sep 2021 670th olleicua 🇺🇸 652 79 32ms 15 Jan 2024 672nd alexsave 652 111 9ms 21 hours ago 673rd NewDefectus 🇮🇱 651 101 12ms 21 Apr 2021 673rd eddvrs 651 101 10ms 20 Aug 2022 673rd commandblockguy 🇺🇸 651 101 10ms 29 Sep 2022 First Prev 601–675 of 2,379 Next Last