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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Transpose Sentence 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 599th DrPiranoid 627 90 26 Mar 2023 599th fourth-bit 627 90 23 Jun 2023 599th BREMAUCY 🇫🇷 627 90 29 Apr 2024 599th ryyyn 🇺🇸 627 90 15 May 2025 605th stefangimmillaro 627 160 26 Apr 2025 606th emgordon154 627 210 7 Sep 2024 607th CatsAreFluffy 626 104 14 Dec 2022 608th tatzyr 🇯🇵 624 65 27 Apr 2021 608th KatieLG 🇬🇧 624 65 9 Oct 2022 608th olleicua 🇺🇸 624 65 13 Mar 2024 608th emgordon154 624 65 7 Aug 2024 612th stefangimmillaro 623 214 21 Oct 2023 613th Natanaelel 🇸🇪 621 62 21 Apr 2025 614th rambox11 621 161 12 Mar 2019 615th cure-honey 🇯🇵 617 231 25 Jun 2021 616th Haksell 🇦🇶 615 66 5 Apr 2020 616th proton 🇩🇪 615 66 8 Jun 2020 618th Bonjour27891 🇻🇳 613 92 2 May 2022 618th CatsAreFluffy 613 92 7 Dec 2022 620th emgordon154 612 110 10 Dec 2024 621st alphafalfa 611 63 19 Dec 2024 622nd MeWhenI 🇻🇦 608 165 29 Apr 2025 623rd gigaprofisi 🇺🇸 607 98 13 days ago 624th sk- 606 67 12 Sep 2019 624th tadd 606 67 17 Apr 2020 624th janbehrens 🇩🇪 606 67 16 Jan 2021 624th shellbertt 🇨🇦 606 67 6 Dec 2021 624th purp 606 67 13 Aug 2022 624th aksyristos 606 67 3 Feb 2023 624th Lv0Sys 🇵🇱 606 67 26 days ago 631st Bubbler-4 603 96 25 Jan 2022 632nd janAkali 🇷🇺 603 218 4 days ago 633rd MeWhenI 🇻🇦 603 219 28 Jul 2023 634th bendiscz 602 237 20 Apr 2020 635th MeWhenI 🇻🇦 601 167 13 Oct 2023 636th Yewzir 🇧🇪 600 94 27 May 2023 636th ImpressedByRocks 600 94 22 May 2025 638th MeWhenI 🇻🇦 599 167 1 Aug 2023 639th Indivicivet 597 68 30 Mar 2021 639th annaproxy 597 68 5 Nov 2022 641st stefangabos 🇷🇴 595 100 26 Aug 2022 642nd quimey 594 95 17 Mar 2023 642nd roupiq 🇵🇱 594 95 18 Apr 2024 644th emgordon154 591 118 8 Nov 2024 645th cure-honey 🇯🇵 587 227 7 Jul 2021 646th duckyluuk 🇳🇱 586 119 29 Oct 2024 647th AlephSquirrel 584 46 10 Feb 2023 648th CatsAreFluffy 584 92 15 Jan 2024 649th Thonoton 583 65 24 Feb 2023 649th Natanaelel 🇸🇪 583 65 16 Jul 2023 651st Bonjour27891 🇻🇳 583 102 12 Mar 2022 652nd dokutan 583 237 11 Jan 2024 653rd boxjelly 581 277 2 Mar 2021 654th FnControlOption 580 70 21 Aug 2022 655th Yewzir 🇧🇪 580 246 3 Jan 2024 656th dokutan 579 278 25 Jan 2024 657th unfinishedprogram 578 103 21 Feb 2024 658th KatieLG 🇬🇧 576 98 11 Dec 2022 658th cingulataluke 576 98 26 Aug 2023 660th flawr 576 113 2 Jan 2019 661st dan-simon 575 67 29 Dec 2017 662nd dokutan 575 248 4 Jan 2024 663rd 4hg 🇺🇸 572 47 22 Jul 2022 664th yokasuretsu 572 71 15 Apr 2018 664th Irratix 🇳🇱 572 71 27 Jun 2022 666th boxjelly 572 175 7 Feb 2021 667th MeWhenI 🇻🇦 572 230 15 Nov 2022 668th fisxoj 571 86 28 Apr 2018 669th Yewzir 🇧🇪 571 94 15 Jan 2024 670th MeWhenI 🇻🇦 571 144 21 Dec 2022 671st janbehrens 🇩🇪 570 88 3 Dec 2023 672nd MeWhenI 🇻🇦 569 61 15 Feb 2025 673rd tomh1012 567 105 13 Oct 2020 674th aksyristos 566 67 23 Jul 2023 675th GalladeGuy 🇺🇸 565 180 25 May 2020 Prev 601–675 of 2,124 Next