Gijswijt’s Sequence 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 526th dokutan 476 237 10 Sep 2025 527th dokutan 475 253 3 Jul 2025 528th klixel 🇨🇦 469 132 24 Jan 2025 529th Shanethegamer 🇺🇸 469 145 8 Jul 2023 530th dokutan 469 172 23 Mar 2025 531st Shanethegamer 🇺🇸 468 93 6 Jul 2023 532nd dokutan 467 171 3 Mar 2025 533rd guilhem-roy 🇫🇷 466 133 15 Jul 2023 533rd MarcMush 🇫🇷 466 133 5 Jan 2024 535th MeWhenI 🇻🇦 463 174 1 Jul 2023 536th GolfingSuccess 🇬🇷 462 134 1 Jul 2023 536th edsrzf 🇳🇿 462 134 4 Nov 2024 538th jacekwladzinski 459 135 11 days ago 539th Natanaelel 🇸🇪 458 72 28 Nov 2023 540th snoozingnewt 🇺🇸 454 96 2 days ago 541st JDiLenarda 🇫🇷 453 204 2 Sep 2024 542nd Bmrl7 449 138 20 Mar 2024 543rd msbranicky 446 139 26 Jul 2023 543rd BREMAUCY 🇫🇷 446 139 26 Aug 2025 545th commandblockguy 🇺🇸 443 134 15 Jan 2024 546th Ripick 443 164 24 Jun 2024 547th jmerle 🇳🇱 442 142 1 Jul 2023 547th weliveinhell 🇭🇹 442 142 5 Sep 2023 549th frankgraziano 440 183 30 Apr 2025 550th alemelis 439 141 9 Sep 2024 551st emgordon154 436 100 8 May 2025 552nd MichalMarsalek 🇨🇿 432 168 1 Jul 2023 553rd MeWhenI 🇻🇦 432 185 6 Aug 2023 554th medzes 431 158 23 Jul 2023 555th didion0 🇺🇸 430 146 17 Jul 2023 556th msbranicky 430 198 14 Oct 2023 557th msbranicky 429 276 2 Nov 2023 558th msbranicky 427 139 17 Jan 2024 559th AlexanderFair 424 146 25 Jul 2023 559th ahmetdemirag 🇨🇾 424 146 20 Feb 2025 561st yzhs 🇩🇪 422 209 1 Jul 2023 562nd MeWhenI 🇻🇦 422 219 1 Jul 2023 563rd Masttest 421 147 13 Feb 2024 564th dokutan 420 133 19 Oct 2024 565th SniperSmiley 🇺🇸 419 148 28 Sep 2023 566th sidok 417 172 13 Nov 2024 567th aksyristos 416 149 10 days ago 568th Lv0Sys 🇵🇱 416 151 20 Jun 2025 569th dokutan 415 164 26 Mar 2025 570th MaxElf999 413 150 13 Feb 2024 571st roguh 🇬🇹 411 153 13 Oct 2024 571st xyangst 411 153 18 Oct 2024 573rd dokutan 411 155 12 Aug 2024 574th croc54 410 151 8 Jan 2025 575th mbittner20 408 152 17 Jul 2024 576th dokutan 407 228 26 Mar 2025 577th davidtiemstra 400 155 12 Jul 2023 577th Ripick 400 155 19 Jul 2023 579th msbranicky 399 204 25 Aug 2023 580th c0d3-4-F00d 🇩🇪 398 207 7 Dec 2023 581st dokutan 397 217 20 Jul 2025 582nd dokutan 392 191 24 Oct 2024 583rd msbranicky 389 214 1 Jan 2024 584th dokutan 385 141 12 Mar 2025 585th AbuzarN 382 162 29 Sep 2023 586th snoozingnewt 🇺🇸 382 196 18 days ago 587th dokutan 382 231 18 Oct 2024 588th MeWhenI 🇻🇦 380 168 12 Aug 2024 589th amollberg 🇸🇪 378 164 10 Jan 2024 589th inverseLorentz 🇦🇺 378 164 21 Apr 2024 591st tomh1012 375 165 14 Jul 2023 592nd KatieLG 🇬🇧 374 244 22 Aug 2024 593rd hellwue 373 166 14 Jul 2023 594th MeWhenI 🇻🇦 370 184 3 Jul 2023 595th scpchicken 🇵🇼 369 168 3 Jul 2023 595th ThijsLuttikhuis 369 168 2 Aug 2025 597th Schmitt-Very-Cool 368 262 15 days ago 598th janbehrens 🇩🇪 367 118 1 Jul 2023 599th msbranicky 365 308 25 Aug 2023 600th galloj 🇨🇿 364 180 8 Apr 2024 First Prev 526–600 of 1,098 Next Last