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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 MeWhenI 🇻🇦 647 183 53ms 17 Feb 2023 602nd jaredcrystal 🇺🇸 644 63 43ms 18 Sep 2018 602nd BREMAUCY 🇫🇷 644 63 41ms 27 Mar 2024 602nd Natanaelel 🇸🇪 644 63 39ms 21 Apr 2025 605th itiievskyi 🇺🇦 643 59 220ms 21 Aug 2020 605th Lv0Sys 🇵🇱 643 59 184ms 26 May 2025 605th heanyang1 643 59 242ms 29 May 2025 608th stefangimmillaro 643 185 471ms 6 Oct 2025 609th RYNO8 642 88 2,063ms 27 Aug 2021 610th inventshah 642 156 4ms 28 Apr 2023 611th AlephSquirrel 642 206 135ms 3 Aug 2023 612th olivermrose 🇺🇸 640 93 12ms 6 Oct 2021 613th MeWhenI 🇻🇦 639 76 685ms 1 Nov 2023 614th jared-hughes 639 186 377ms 24 Sep 2025 615th CaedenHarper 🇨🇦 639 224 269ms 5 days ago 616th MeWhenI 🇻🇦 638 185 84ms 21 May 2023 617th albanian-laundromat 638 192 962ms 20 days ago 618th pardouin 🇫🇷 636 74 1,061ms 30 Aug 2025 619th MeWhenI 🇻🇦 635 79 263ms 28 Jan 2023 620th glesnick 635 89 38ms 18 Aug 2022 621st Yewzir 🇧🇪 634 64 43ms 9 Mar 2024 621st DialFrost 🇸🇬 634 64 48ms 1 Jun 2024 621st jared-hughes 634 64 40ms 26 Dec 2024 621st dokutan 634 64 49ms 21 Apr 2025 625th emgordon154 634 110 3,092ms 12 Jul 2025 626th stefangimmillaro 634 218 132ms 6 Nov 2023 627th janbehrens 🇩🇪 633 158 8ms 15 May 2023 628th namelessiw 633 188 433ms 10 Oct 2025 629th emgordon154 632 194 994ms 1 Jun 2025 630th cure-honey 🇯🇵 632 276 74ms 8 Jul 2021 631st MeWhenI 🇻🇦 631 213 2,601ms 12 Jan 2025 632nd Shanethegamer 🇺🇸 630 91 317ms 2 Jun 2022 633rd SirBogman 🇺🇸 630 374 278ms 12 Jul 2023 634th emgordon154 628 210 3,713ms 7 Sep 2024 635th daedals 627 90 16ms 6 Jun 2019 635th knutae 🇳🇴 627 90 16ms 14 Jul 2021 635th DrPiranoid 627 90 17ms 26 Mar 2023 635th fourth-bit 627 90 23ms 23 Jun 2023 635th BREMAUCY 🇫🇷 627 90 15ms 29 Apr 2024 635th qpwoeirut 627 90 26ms 2 Oct 2025 641st stefangimmillaro 627 160 47ms 26 Apr 2025 642nd CatsAreFluffy 626 104 250ms 14 Dec 2022 643rd tatzyr 🇯🇵 624 65 40ms 27 Apr 2021 643rd olleicua 🇺🇸 624 65 44ms 13 Mar 2024 643rd emgordon154 624 65 43ms 7 Aug 2024 643rd blaztoma 🇱🇹 624 65 47ms 26 days ago 647th stefangimmillaro 623 214 211ms 21 Oct 2023 648th rambox11 622 161 8ms 12 Mar 2019 649th Natanaelel 🇸🇪 621 62 1,089ms 21 Apr 2025 650th cure-honey 🇯🇵 619 231 259ms 25 Jun 2021 651st Haksell 🇦🇶 615 66 41ms 5 Apr 2020 651st proton 🇩🇪 615 66 37ms 8 Jun 2020 653rd Bonjour27891 🇻🇳 614 92 24ms 2 May 2022 653rd CatsAreFluffy 614 92 29ms 7 Dec 2022 655th KatieLG 🇬🇧 614 97 14ms 5 Oct 2025 656th emgordon154 613 110 45ms 10 Dec 2024 657th alphafalfa 611 63 3,276ms 19 Dec 2024 658th MeWhenI 🇻🇦 608 165 55ms 29 Apr 2025 659th sk- 606 67 43ms 12 Sep 2019 659th tadd 606 67 38ms 17 Apr 2020 659th janbehrens 🇩🇪 606 67 41ms 16 Jan 2021 659th shellbertt 🇨🇦 606 67 40ms 6 Dec 2021 659th purp 606 67 39ms 13 Aug 2022 659th aksyristos 606 67 52ms 3 Feb 2023 659th Lv0Sys 🇵🇱 606 67 42ms 6 Jun 2025 666th Bubbler-4 604 96 2,263ms 25 Jan 2022 667th MeWhenI 🇻🇦 604 219 110ms 28 Jul 2023 668th bendiscz 604 237 267ms 20 Apr 2020 669th janAkali 🇷🇺 603 218 436ms 28 Jun 2025 670th Yewzir 🇧🇪 601 94 17ms 27 May 2023 670th ImpressedByRocks 601 94 927ms 22 May 2025 672nd BREMAUCY 🇫🇷 600 163 376ms 29 Jul 2025 673rd MeWhenI 🇻🇦 599 167 4ms 1 Aug 2023 674th MeWhenI 🇻🇦 598 394 949ms 29 Aug 2023 675th Indivicivet 597 68 41ms 30 Mar 2021 First Prev 601–675 of 2,226 Next Last