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 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 jaredcrystal 🇺🇸 644 63 43ms 18 Sep 2018 601st BREMAUCY 🇫🇷 644 63 41ms 27 Mar 2024 601st Natanaelel 🇸🇪 644 63 39ms 21 Apr 2025 604th itiievskyi 🇺🇦 643 59 220ms 21 Aug 2020 604th Lv0Sys 🇵🇱 643 59 184ms 26 May 2025 604th heanyang1 643 59 242ms 29 May 2025 607th RYNO8 642 88 2,063ms 27 Aug 2021 608th inventshah 642 156 4ms 28 Apr 2023 609th stefangimmillaro 642 185 729ms 26 days ago 610th AlephSquirrel 642 206 135ms 3 Aug 2023 611th olivermrose 🇺🇸 640 93 12ms 6 Oct 2021 612th MeWhenI 🇻🇦 639 76 685ms 1 Nov 2023 613th jared-hughes 639 186 377ms 24 Sep 2025 614th MeWhenI 🇻🇦 638 185 74ms 21 May 2023 615th albanian-laundromat 638 192 962ms 14 days ago 616th pardouin 🇫🇷 636 74 1,061ms 30 Aug 2025 617th MeWhenI 🇻🇦 635 79 263ms 28 Jan 2023 618th glesnick 635 89 38ms 18 Aug 2022 619th Yewzir 🇧🇪 634 64 43ms 9 Mar 2024 619th DialFrost 🇸🇬 634 64 48ms 1 Jun 2024 619th jared-hughes 634 64 40ms 26 Dec 2024 619th dokutan 634 64 49ms 21 Apr 2025 623rd emgordon154 634 110 4,311ms 12 Jul 2025 624th stefangimmillaro 634 218 132ms 6 Nov 2023 625th janbehrens 🇩🇪 633 158 8ms 15 May 2023 626th namelessiw 632 188 433ms 22 days ago 627th emgordon154 632 194 994ms 1 Jun 2025 628th cure-honey 🇯🇵 632 276 74ms 8 Jul 2021 629th MeWhenI 🇻🇦 631 213 2,601ms 12 Jan 2025 630th Shanethegamer 🇺🇸 630 91 450ms 2 Jun 2022 631st SirBogman 🇺🇸 630 374 278ms 12 Jul 2023 632nd emgordon154 628 210 3,713ms 7 Sep 2024 633rd daedals 627 90 16ms 6 Jun 2019 633rd knutae 🇳🇴 627 90 16ms 14 Jul 2021 633rd DrPiranoid 627 90 17ms 26 Mar 2023 633rd fourth-bit 627 90 23ms 23 Jun 2023 633rd BREMAUCY 🇫🇷 627 90 15ms 29 Apr 2024 633rd qpwoeirut 627 90 26ms 2 Oct 2025 639th stefangimmillaro 627 160 47ms 26 Apr 2025 640th CaedenHarper 🇨🇦 627 228 245ms 18 hours ago 641st CatsAreFluffy 626 104 250ms 14 Dec 2022 642nd tatzyr 🇯🇵 624 65 40ms 27 Apr 2021 642nd olleicua 🇺🇸 624 65 44ms 13 Mar 2024 642nd emgordon154 624 65 43ms 7 Aug 2024 642nd blaztoma 🇱🇹 624 65 47ms 20 days ago 646th stefangimmillaro 623 214 226ms 21 Oct 2023 647th rambox11 622 161 8ms 12 Mar 2019 648th Natanaelel 🇸🇪 621 62 1,089ms 21 Apr 2025 649th cure-honey 🇯🇵 619 231 285ms 25 Jun 2021 650th Haksell 🇦🇶 615 66 41ms 5 Apr 2020 650th proton 🇩🇪 615 66 37ms 8 Jun 2020 652nd Bonjour27891 🇻🇳 614 92 24ms 2 May 2022 652nd CatsAreFluffy 614 92 29ms 7 Dec 2022 654th KatieLG 🇬🇧 614 97 14ms 27 days ago 655th emgordon154 613 110 45ms 10 Dec 2024 656th alphafalfa 611 63 3,276ms 19 Dec 2024 657th MeWhenI 🇻🇦 608 165 55ms 29 Apr 2025 658th sk- 606 67 43ms 12 Sep 2019 658th tadd 606 67 38ms 17 Apr 2020 658th janbehrens 🇩🇪 606 67 41ms 16 Jan 2021 658th shellbertt 🇨🇦 606 67 40ms 6 Dec 2021 658th purp 606 67 39ms 13 Aug 2022 658th aksyristos 606 67 52ms 3 Feb 2023 658th Lv0Sys 🇵🇱 606 67 42ms 6 Jun 2025 665th Bubbler-4 604 96 2,569ms 25 Jan 2022 666th MeWhenI 🇻🇦 604 219 110ms 28 Jul 2023 667th bendiscz 604 237 291ms 20 Apr 2020 668th janAkali 🇷🇺 603 218 569ms 28 Jun 2025 669th Yewzir 🇧🇪 601 94 17ms 27 May 2023 669th ImpressedByRocks 601 94 927ms 22 May 2025 671st BREMAUCY 🇫🇷 600 163 376ms 29 Jul 2025 672nd MeWhenI 🇻🇦 599 167 4ms 1 Aug 2023 673rd MeWhenI 🇻🇦 598 394 949ms 29 Aug 2023 674th Indivicivet 597 68 41ms 30 Mar 2021 674th annaproxy 597 68 43ms 5 Nov 2022 First Prev 601–675 of 2,218 Next Last