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 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 Chars Time Submitted 825th dokutan 553 130 8ms 20 Apr 2025 827th dokutan 553 339 516ms 12 Jan 2025 828th klixel 🇨🇦 550 169 145ms 9 Jun 2023 829th PiterAnnema 549 100 9ms 23 Mar 2022 829th neihousaigaai 549 100 9ms 17 Apr 2022 829th Heathcorp 🇦🇺 549 100 10ms 2 Dec 2022 829th aksyristos 549 100 9ms 2 Feb 2023 829th madex 🇩🇪 549 100 10ms 9 Jul 2024 829th LostSyntax21 🇬🇧 549 100 10ms 2 Dec 2024 829th Pyroan 549 100 9ms 21 Feb 2025 829th evan18c 549 100 10ms 22 Apr 2025 829th LvLError 549 100 9ms 29 May 2025 829th Lv0Sys 🇵🇱 549 100 10ms 30 May 2025 829th Flekay 🇩🇪 549 100 11ms 10 Jul 2025 829th vgamula 🇺🇦 549 100 10ms 5 Aug 2025 841st JOrE20 549 131 9ms 3 hours ago 842nd Yewzir 🇧🇪 547 144 109ms 28 Mar 2024 843rd joelgduggan 547 156 344ms 21 Nov 2021 844th akusumoto 🇯🇵 547 170 156ms 6 Apr 2022 845th mcreenan 546 67 131ms 20 Jun 2018 846th Natanaelel 🇸🇪 545 132 9ms 11 May 2022 846th CallanMcNulty 545 132 8ms 30 Sep 2022 846th aksyristos 545 132 9ms 28 Dec 2022 849th Andriamanitra 🇫🇮 545 156 4ms 13 Jun 2024 850th Irratix 🇳🇱 545 167 388ms 3 Jan 2022 851st Herbert00709 🇵🇱 544 141 2ms 8 Jun 2024 852nd aliakseikalosha 544 157 349ms 22 Oct 2024 853rd NewDefectus 🇮🇱 543 101 9ms 21 Apr 2021 853rd eddvrs 543 101 9ms 20 Aug 2022 853rd commandblockguy 🇺🇸 543 101 10ms 29 Sep 2022 853rd benson-z 543 101 9ms 6 Dec 2024 857th MeWhenI 🇻🇦 543 188 26ms 7 Jun 2023 858th vibdev 541 133 9ms 26 Aug 2021 859th Jandoife 540 142 3ms 9 Dec 2022 860th Shanethegamer 🇺🇸 540 158 356ms 9 Apr 2025 861st Ashray-g 🇺🇸 540 182 316ms 1 Sep 2023 862nd scpchicken 🇵🇼 538 102 10ms 26 Mar 2022 862nd mdnestor 538 102 9ms 27 Dec 2022 862nd FranklinJiaChen 538 102 9ms 19 Jul 2024 862nd BoBz200 538 102 10ms 9 Nov 2024 866th h3ra993huskp 🇯🇵 538 183 349ms 9 Oct 2023 867th eranws 537 134 8ms 16 Oct 2022 867th bremersj 537 134 9ms 24 days ago 869th arctouch-cristiannevianna 537 159 363ms 4 Mar 2024 870th KatieLG 🇬🇧 537 171 104ms 15 Jan 2023 871st KevinMarquette 🇺🇸 536 89 209ms 5 Jun 2020 871st TimCurwick 🇺🇸 536 89 198ms 27 Jan 2021 871st JPRuskin 🇬🇧 536 89 211ms 1 May 2024 874th MichalMarsalek 🇨🇿 536 97 445ms 21 Jan 2024 875th mousetail 🇳🇱 536 118 6ms 22 Oct 2024 876th n8pjl 536 143 2ms 29 Oct 2023 877th MeWhenI 🇻🇦 536 170 377ms 14 Nov 2022 878th P-Quentin 🇫🇷 533 103 11ms 11 Aug 2022 878th Alex-x90 🇺🇸 533 103 9ms 25 Oct 2023 878th Bmrl7 533 103 9ms 3 Mar 2024 878th souta-1326 533 103 9ms 26 Mar 2025 878th wobblybits 533 103 9ms 15 Aug 2025 883rd igmcdowell 533 135 8ms 12 Jan 2022 884th ericlangedijk 🇸🇮 533 160 308ms 22 May 2023 885th bizy-coder 533 235 2ms 20 Jan 2024 886th aalanso 532 171 2,256ms 18 Nov 2023 887th AlephSquirrel 531 49 41ms 28 Jul 2022 888th Natanaelel 🇸🇪 530 69 102ms 29 Apr 2022 889th didroe 529 86 38ms 7 Nov 2024 890th frankgraziano 529 126 5ms 13 Mar 2025 891st Garklein 🇨🇦 529 136 8ms 7 Jan 2022 891st zakariamouhid 529 136 8ms 10 Jan 2023 893rd AkashTandon167 529 145 2ms 25 Nov 2019 893rd funnyboy-roks 529 145 2ms 14 Jun 2024 895th hoodadam 528 104 9ms 14 Jun 2019 895th stordev 528 104 10ms 26 Feb 2021 895th FortuiteMan 🇫🇷 528 104 9ms 10 Sep 2023 895th ahmetdemirag 🇨🇾 528 104 10ms 21 Jun 2024 895th comp0zr 528 104 10ms 10 Oct 2024 900th chunes3 🇺🇸 526 134 78ms 19 Sep 2023 First Prev 826–900 of 2,371 Next Last