τ 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 525th LukeBridges 🇬🇧 709 84 3 Nov 2022 525th Salutations45 709 84 28 Jun 2025 528th lynn 709 228 239ms 4 Aug 2023 529th clockworknazo 708 98 445ms 23 Oct 2022 530th geofft 706 80 12ms 13 Dec 2020 530th betaveros 706 80 12ms 1 Jan 2023 530th commandblockguy 🇺🇸 706 80 45ms 22 Aug 2023 530th elgan65536 706 80 2,224ms 8 Apr 2024 534th janbehrens 🇩🇪 705 121 451ms 1 May 2023 535th yuchuehw 703 54 2 Jun 2024 536th MeWhenI 🇻🇦 703 230 79ms 6 Jun 2023 537th Mandrzejy 🇵🇱 702 168 74ms 14 Apr 2024 538th marcin7Cd 701 93 177ms 13 Mar 2021 539th olivermrose 🇺🇸 700 58 38ms 25 Sep 2021 539th SirBogman 🇺🇸 700 58 52ms 1 Oct 2022 539th anter69 🇭🇺 700 58 46ms 25 Jan 2023 542nd primo-ppcg 🇹🇭 699 72 607ms 30 Jan 2022 543rd prplz 🇦🇺 697 72 530ms 12 Jun 2020 544th janbehrens 🇩🇪 697 81 11ms 17 Jun 2023 545th pardouin 🇫🇷 697 89 24 Jun 2025 546th GeorgeStechman 🇬🇧 692 86 20 Jun 2022 547th commandblockguy 🇺🇸 690 55 7 Nov 2023 548th MeWhenI 🇻🇦 690 90 13 Nov 2022 549th inventshah 690 171 79ms 28 Apr 2023 550th orthoplex 🇨🇽 690 293 2ms 9 Jun 2024 551st Herbert00709 🇵🇱 689 39 64ms 5 May 2024 552nd NewDefectus 🇮🇱 689 82 36ms 12 Oct 2020 552nd wen1now 689 82 12ms 7 Nov 2023 552nd ei14 689 82 33ms 23 May 2024 555th Yax42 🇫🇷 688 142 378ms 25 Dec 2024 556th Alex-x90 🇺🇸 685 146 10ms 10 Aug 2023 556th madex 🇩🇪 685 146 6ms 28 Oct 2024 558th 52525rr 684 87 12 Jun 2025 559th emgordon154 682 219 1,738ms 16 Sep 2025 560th lynn 680 74 1,451ms 19 Nov 2021 561st tfkls 678 56 16 Oct 2020 561st latvianfarmer17 🇱🇻 678 56 20 Jul 2023 561st davbass 🇮🇹 678 56 25 Aug 2023 564th Shanethegamer 🇺🇸 676 60 70ms 2 Jun 2022 564th KatieLG 🇬🇧 676 60 48ms 19 days ago 566th primo-ppcg 🇹🇭 675 176 13 Jul 2020 566th Lydxn 🇨🇦 675 176 28 Dec 2021 566th duckyluuk 🇳🇱 675 176 27 days ago 569th stefangimmillaro 675 212 290ms 13 Dec 2024 570th SirBogman 🇺🇸 674 86 863ms 21 Feb 2024 571st Alex-x90 🇺🇸 674 175 85ms 21 Oct 2022 572nd marshallward 🇺🇸 673 149 6 May 2025 573rd MeWhenI 🇻🇦 673 196 4ms 12 Aug 2024 574th yokasuretsu 672 84 16ms 14 Apr 2018 575th Mandrzejy 🇵🇱 672 149 6ms 14 Apr 2024 576th dokutan 670 197 4ms 12 Aug 2024 577th xyangst 669 89 12 Oct 2024 577th gigaprofisi 🇺🇸 669 89 25 Jul 2025 579th primo-ppcg 🇹🇭 668 52 19ms 29 Nov 2020 580th ovs-code 🇩🇪 668 118 3,596ms 16 Aug 2023 581st emgordon154 667 93 17 Nov 2024 582nd Indivicivet 666 57 30 Mar 2021 583rd jmerle 🇳🇱 665 61 49ms 13 Jul 2023 584th tomh1012 665 147 361ms 11 Sep 2025 585th primo-ppcg 🇹🇭 665 197 2,219ms 3 Feb 2022 586th HETHAT 🇩🇿 664 85 19ms 3 Aug 2025 587th MeWhenI 🇻🇦 661 105 4,589ms 28 Jun 2023 588th targrik 661 111 3,604ms 4 Jan 2025 589th SirBogman 🇺🇸 660 152 3 Jun 2025 590th trinityy-7 655 53 40ms 16 Feb 2024 591st MeWhenI 🇻🇦 655 200 3,195ms 3 Sep 2023 592nd anter69 🇭🇺 653 95 22 Feb 2023 593rd janbehrens 🇩🇪 652 181 362ms 15 May 2023 594th yzhs 🇩🇪 649 87 29ms 25 Oct 2020 595th MeWhenI 🇻🇦 648 83 3 Aug 2024 596th XenThe 🇬🇧 647 92 1 Jul 2025 597th MeWhenI 🇻🇦 647 183 17 Feb 2023 598th jaredcrystal 🇺🇸 644 63 43ms 18 Sep 2018 598th BREMAUCY 🇫🇷 644 63 41ms 27 Mar 2024 598th Natanaelel 🇸🇪 644 63 39ms 21 Apr 2025 First Prev 526–600 of 2,214 Next Last