Diamonds in all languages in chars. 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 Chars Time Submitted 822nd madex 🇩🇪 549 100 14ms 9 Jul 2024 822nd LostSyntax21 🇬🇧 549 100 11ms 2 Dec 2024 822nd Pyroan 549 100 13ms 21 Feb 2025 822nd evan18c 549 100 12ms 22 Apr 2025 822nd LvLError 549 100 10ms 29 May 2025 822nd Lv0Sys 🇵🇱 549 100 10ms 30 May 2025 822nd Flekay 🇩🇪 549 100 14ms 10 Jul 2025 822nd vgamula 🇺🇦 549 100 10ms 5 Aug 2025 834th Yewzir 🇧🇪 547 144 127ms 28 Mar 2024 835th joelgduggan 547 156 344ms 21 Nov 2021 836th akusumoto 🇯🇵 547 170 159ms 6 Apr 2022 837th mcreenan 546 67 141ms 20 Jun 2018 838th Natanaelel 🇸🇪 545 132 13ms 11 May 2022 838th CallanMcNulty 545 132 9ms 30 Sep 2022 838th aksyristos 545 132 9ms 28 Dec 2022 841st Andriamanitra 🇫🇮 545 156 4ms 13 Jun 2024 842nd Irratix 🇳🇱 545 167 442ms 3 Jan 2022 843rd Herbert00709 🇵🇱 544 141 2ms 8 Jun 2024 844th NewDefectus 🇮🇱 543 101 12ms 21 Apr 2021 844th eddvrs 543 101 10ms 20 Aug 2022 844th commandblockguy 🇺🇸 543 101 10ms 29 Sep 2022 844th benson-z 543 101 11ms 6 Dec 2024 848th aliakseikalosha 543 157 349ms 22 Oct 2024 849th MeWhenI 🇻🇦 543 188 26ms 7 Jun 2023 850th vibdev 541 133 10ms 26 Aug 2021 851st Jandoife 540 142 3ms 9 Dec 2022 852nd Shanethegamer 🇺🇸 540 158 356ms 9 Apr 2025 853rd Ashray-g 🇺🇸 540 182 451ms 1 Sep 2023 854th scpchicken 🇵🇼 538 102 10ms 26 Mar 2022 854th mdnestor 538 102 12ms 27 Dec 2022 854th FranklinJiaChen 538 102 10ms 19 Jul 2024 854th BoBz200 538 102 11ms 9 Nov 2024 858th h3ra993huskp 🇯🇵 538 183 457ms 9 Oct 2023 859th eranws 537 134 9ms 16 Oct 2022 859th bremersj 537 134 9ms 4 hours ago 861st arctouch-cristiannevianna 537 159 363ms 4 Mar 2024 862nd KatieLG 🇬🇧 537 171 118ms 15 Jan 2023 863rd KevinMarquette 🇺🇸 536 89 209ms 5 Jun 2020 863rd TimCurwick 🇺🇸 536 89 198ms 27 Jan 2021 863rd JPRuskin 🇬🇧 536 89 211ms 1 May 2024 866th MichalMarsalek 🇨🇿 536 97 445ms 21 Jan 2024 867th mousetail 🇳🇱 536 118 6ms 22 Oct 2024 868th n8pjl 536 143 2ms 29 Oct 2023 869th MeWhenI 🇻🇦 536 170 440ms 14 Nov 2022 870th P-Quentin 🇫🇷 533 103 11ms 11 Aug 2022 870th Alex-x90 🇺🇸 533 103 10ms 25 Oct 2023 870th Bmrl7 533 103 9ms 3 Mar 2024 870th souta-1326 533 103 10ms 26 Mar 2025 870th wobblybits 533 103 12ms 15 Aug 2025 875th igmcdowell 533 135 11ms 12 Jan 2022 876th ericlangedijk 🇸🇮 533 160 308ms 22 May 2023 877th bizy-coder 533 235 2ms 20 Jan 2024 878th aalanso 532 171 2,493ms 18 Nov 2023 879th AlephSquirrel 531 49 41ms 28 Jul 2022 880th Shanethegamer 🇺🇸 531 174 15ms 4 Oct 2024 881st Natanaelel 🇸🇪 530 69 151ms 29 Apr 2022 882nd frankgraziano 529 126 5ms 13 Mar 2025 883rd Garklein 🇨🇦 529 136 9ms 7 Jan 2022 883rd zakariamouhid 529 136 12ms 10 Jan 2023 885th AkashTandon167 529 145 2ms 25 Nov 2019 885th funnyboy-roks 529 145 2ms 14 Jun 2024 887th didroe 528 86 38ms 7 Nov 2024 888th hoodadam 528 104 11ms 14 Jun 2019 888th stordev 528 104 11ms 26 Feb 2021 888th FortuiteMan 🇫🇷 528 104 12ms 10 Sep 2023 888th ahmetdemirag 🇨🇾 528 104 9ms 21 Jun 2024 888th comp0zr 528 104 9ms 10 Oct 2024 893rd chunes3 🇺🇸 526 134 78ms 19 Sep 2023 894th Yewzir 🇧🇪 526 187 524ms 22 days ago 895th commandblockguy 🇺🇸 525 99 919ms 15 Jan 2024 896th tomh1012 525 137 12ms 1 Oct 2020 896th stefangabos 🇷🇴 525 137 11ms 30 Aug 2023 898th djeedjay 🇳🇱 525 146 2ms 9 Oct 2020 899th Aurel300 🇨🇭 525 177 226ms 30 Jun 2024 900th dokutan 524 162 4ms 17 Apr 2024 First Prev 826–900 of 2,345 Next Last