Emirp Numbers 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 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 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 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 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 601st gnuvince 765 34 2ms 28 Jun 2025 602nd GrayJoKing 🇦🇺 765 86 2ms 12 Mar 2022 603rd ovs-code 🇩🇪 764 69 144ms 17 Nov 2024 604th Yewzir 🇧🇪 763 93 63ms 3 Aug 2023 605th NewDefectus 🇮🇱 762 71 11ms 16 Dec 2021 605th rschwa6308 🇺🇸 762 71 10ms 12 May 2023 605th zbreit 🇺🇸 762 71 12ms 20 May 2023 608th emgordon154 761 123 267ms 17 Jan 2025 609th antimon2 🇯🇵 758 59 995ms 12 Sep 2022 610th Steffan153 🇫🇮 758 64 1,004ms 4 Jan 2023 610th Shanethegamer 🇺🇸 758 64 1,406ms 29 Mar 2023 612th detrumi 🇳🇱 758 94 124ms 26 Apr 2023 613th o0lit3 🇺🇸 756 51 5ms 12 Apr 2021 614th sean-niemann 🇺🇸 756 107 24ms 17 Dec 2023 615th bbkr 755 49 93ms 14 Nov 2018 615th itiievskyi 🇺🇦 755 49 129ms 11 Aug 2020 617th dokutan 755 94 53ms 14 Apr 2024 618th anter69 🇭🇺 754 53 41ms 8 Feb 2023 618th fuzzylojik-golf 🇺🇸 754 53 40ms 6 Jul 2025 620th ffelixm 753 75 110ms 12 Jun 2025 621st scpchicken 🇵🇼 752 88 155ms 21 Feb 2023 622nd Lifesorder 751 72 12ms 12 Oct 2018 622nd nwellnhof 🇩🇪 751 72 11ms 4 Feb 2021 622nd annaproxy 751 72 10ms 28 Dec 2021 622nd yzhs 🇩🇪 751 72 15ms 20 Jul 2022 622nd fourth-bit 751 72 15ms 2 Jul 2023 622nd bizy-coder 751 72 11ms 14 Aug 2024 628th ETHproductions 🇺🇸 751 75 32ms 21 Dec 2018 628th elisherer 🇮🇱 751 75 9ms 8 Apr 2019 628th emgordon154 751 75 8ms 13 Dec 2021 628th nwellnhof 🇩🇪 751 75 9ms 26 Jun 2023 632nd Irratix 🇳🇱 750 45 3ms 1 Nov 2020 632nd GrayJoKing 🇦🇺 750 45 3ms 1 Nov 2020 632nd primo-ppcg 🇹🇭 750 45 2ms 2 Nov 2020 632nd KatieLG 🇬🇧 750 45 2ms 6 Dec 2020 632nd sisyphus-ppcg 🇦🇺 750 45 2ms 11 Mar 2022 632nd msbranicky 750 45 3ms 27 Jul 2023 632nd adamnielson42 🇺🇸 750 45 2ms 8 Nov 2023 632nd dokutan 750 45 2ms 11 Nov 2023 640th emplv 🇱🇻 750 76 4ms 11 May 2021 640th sisyphus-ppcg 🇦🇺 750 76 4ms 14 Jul 2022 642nd HPWiz 🇳🇿 749 67 417ms 16 Jan 2024 643rd GrayJoKing 🇦🇺 749 86 415ms 5 Mar 2022 643rd fuzzylojik-golf 🇺🇸 749 86 433ms 30 Aug 2025 645th wiz0u 747 75 356ms 26 Jun 2023 645th pardouin 🇫🇷 747 75 351ms 8 Oct 2024 645th fuzzylojik-golf 🇺🇸 747 75 373ms 31 Aug 2025 648th JDiLenarda 🇫🇷 746 65 1,179ms 9 Oct 2020 649th DialFrost 🇸🇬 746 78 2ms 5 Nov 2023 650th Yewzir 🇧🇪 746 91 353ms 2 Oct 2025 651st dokutan 745 60 251ms 11 Apr 2024 652nd dokutan 744 76 129ms 23 Jul 2025 653rd laikoni 743 89 130ms 25 Dec 2018 654th Lydxn 🇨🇦 742 52 3ms 18 Jul 2022 654th xsot 🇸🇬 742 52 6ms 24 Jun 2025 656th MeWhenI 🇻🇦 742 109 2ms 10 Oct 2023 657th xorraxrax 741 73 11ms 26 Oct 2019 657th btjones0 741 73 12ms 15 Jul 2022 657th Bmrl7 741 73 14ms 26 Feb 2024 660th rambox11 741 76 10ms 27 Apr 2018 660th Davr1 🇨🇿 741 76 11ms 15 Oct 2023 660th ovs-code 🇩🇪 741 76 11ms 17 Nov 2024 663rd GrayJoKing 🇦🇺 740 54 37ms 24 Nov 2021 663rd emgordon154 740 54 37ms 26 Jul 2024 665th RustemB 🇷🇺 739 50 88ms 3 Jan 2021 665th ovs-code 🇩🇪 739 50 192ms 8 May 2024 667th ian-h-chamberlain 🇺🇸 739 107 41ms 13 days ago 668th ovs-code 🇩🇪 738 68 458ms 16 Jan 2024 669th AlephSquirrel 737 40 45ms 31 Jul 2022 670th GrayJoKing 🇦🇺 733 78 4ms 26 Jul 2023 671st davitf 731 74 11ms 19 Nov 2018 671st ydevor 🇮🇱 731 74 11ms 26 Nov 2020 671st itsjustfreekie 731 74 20ms 19 Sep 2021 671st ZakkkkAttackkkk 🇵🇭 731 74 12ms 26 Dec 2021 671st domingues 🇵🇹 731 74 10ms 10 Aug 2022 First Prev 601–675 of 3,047 Next Last