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 Feniske 🇫🇷 671 72 211ms 10 Nov 2023 602nd Indivicivet 671 98 11ms 11 Mar 2021 602nd IshanPanpaliya 671 98 10ms 6 Oct 2022 602nd celiendonze 🇨🇭 671 98 12ms 18 Apr 2023 602nd chartung17 671 98 11ms 31 Dec 2023 602nd Shanethegamer 🇺🇸 671 98 11ms 24 Jan 2024 602nd cardosoo 671 98 10ms 6 Oct 2024 602nd Artemis21 🇬🇧 671 98 13ms 21 Dec 2024 602nd andrewjc2000 671 98 10ms 2 Jul 2025 602nd Nhan-TRANvan_keyloop 671 98 10ms 20 Aug 2025 602nd countlpaul-dotcom 671 98 10ms 26 days ago 612th error256 671 113 443ms 28 Jun 2024 613th bzijlema 🇳🇱 671 160 269ms 30 Jan 2024 614th Yewzir 🇧🇪 670 92 622ms 4 Feb 2024 615th primo-ppcg 🇹🇭 670 117 124ms 1 May 2023 616th MeWhenI 🇻🇦 670 119 107ms 15 Oct 2022 617th aposteriorist 🇨🇦 670 136 463ms 4 Mar 2022 618th aksyristos 669 77 35ms 31 Jan 2023 618th tatzyr 🇯🇵 669 77 34ms 10 Dec 2024 620th clockworknazo 667 87 3ms 15 Nov 2022 621st kops-cg 667 118 132ms 14 Apr 2021 622nd Grrisly 666 116 2ms 7 Nov 2023 623rd dokutan 665 87 337ms 30 Apr 2024 624th MateuszPietrzak 🇵🇱 665 138 2,259ms 17 Nov 2023 625th drew-loukusa 664 99 12ms 26 May 2020 625th Secozzi 664 99 13ms 20 Oct 2020 625th seanshpark 664 99 10ms 18 Dec 2020 625th soalyer 664 99 10ms 9 Nov 2021 625th CodyMiner 664 99 10ms 14 Nov 2021 625th MichalMarsalek 🇨🇿 664 99 13ms 23 Oct 2022 625th logvp 664 99 11ms 6 Oct 2024 625th BREMAUCY 🇫🇷 664 99 10ms 7 Aug 2025 633rd stefangimmillaro 664 109 8ms 17 Oct 2023 633rd KrausRaus 🇺🇸 664 109 9ms 13 Dec 2023 633rd olleicua 🇺🇸 664 109 9ms 5 Feb 2024 633rd junkondo-jp 664 109 9ms 30 Jun 2024 633rd targrik 664 109 8ms 8 Jun 2025 638th MeWhenI 🇻🇦 664 152 9ms 12 Apr 2024 639th MeWhenI 🇻🇦 663 93 337ms 17 Jan 2024 639th emgordon154 663 93 465ms 7 Jun 2025 639th albanian-laundromat 663 93 581ms 5 Oct 2025 642nd emgordon154 660 50 2ms 27 days ago 643rd bendapootie 660 117 3ms 10 Jul 2020 644th alexkunin 658 110 9ms 6 Jul 2019 644th Yax42 🇫🇷 658 110 8ms 6 Sep 2025 646th minetoblend 658 133 2,078ms 9 Oct 2025 647th lukechampine 658 163 255ms 19 Apr 2020 647th MeWhenI 🇻🇦 658 163 277ms 10 Feb 2023 649th prplz 🇦🇺 657 69 140ms 22 Mar 2020 650th ZakkkkAttackkkk 🇵🇭 657 84 53ms 26 Dec 2021 651st PiterAnnema 657 100 10ms 23 Mar 2022 651st neihousaigaai 657 100 13ms 17 Apr 2022 651st Heathcorp 🇦🇺 657 100 11ms 2 Dec 2022 651st aksyristos 657 100 11ms 2 Feb 2023 651st 5quiwyrm 657 100 11ms 27 Jul 2023 651st CornerMercury 🇬🇧 657 100 10ms 6 Aug 2023 651st snoozingnewt 🇺🇸 657 100 11ms 23 Sep 2023 651st madex 🇩🇪 657 100 14ms 9 Jul 2024 651st LostSyntax21 🇬🇧 657 100 11ms 2 Dec 2024 651st Pyroan 657 100 13ms 21 Feb 2025 651st LvLError 657 100 10ms 29 May 2025 651st Lv0Sys 🇵🇱 657 100 10ms 30 May 2025 651st Flekay 🇩🇪 657 100 14ms 10 Jul 2025 651st vgamula 🇺🇦 657 100 10ms 5 Aug 2025 665th FEZfan 🇦🇺 656 94 660ms 26 Apr 2025 666th DaCoolOne 656 124 2ms 21 Nov 2019 666th frosster 656 124 2ms 12 days ago 668th stefangimmillaro 656 131 340ms 15 Jun 2025 669th primo-ppcg 🇹🇭 656 151 336ms 25 Sep 2020 670th stefangimmillaro 655 143 155ms 29 Oct 2023 671st anter69 🇭🇺 652 79 35ms 7 Sep 2021 671st olleicua 🇺🇸 652 79 32ms 15 Jan 2024 673rd alexsave 652 111 9ms 34 hours ago 674th NewDefectus 🇮🇱 651 101 12ms 21 Apr 2021 674th eddvrs 651 101 10ms 20 Aug 2022 First Prev 601–675 of 2,381 Next Last