Kolakoski Constant 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 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 Mandelbrot 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 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 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 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 Mandelbrot 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 451st KatieLG 🇬🇧 444 110 29 Dec 2024 452nd Pyroan 441 138 14 May 2025 453rd michelebastione 🇮🇹 438 139 10 Apr 2021 453rd cubed-guy 438 139 2 Nov 2022 455th dokutan 438 231 23 Aug 2024 456th MeWhenI 🇻🇦 438 399 10 Jul 2021 457th Shanethegamer 🇺🇸 437 113 4 Dec 2022 458th dokutan 437 219 23 Oct 2024 459th hiddicop 🇸🇪 436 112 29 Jan 2021 460th SniperSmiley 🇺🇸 435 140 30 Jun 2022 460th StefanHabel 🇨🇦 435 140 21 Apr 2024 462nd jacobly0 🇺🇸 435 275 21 Sep 2023 463rd bwat2 434 399 4 Mar 2022 463rd Schmitt-Very-Cool 434 399 2 Aug 2024 465th madex 🇩🇪 431 250 27 Oct 2024 466th boxjelly 430 201 26 Jan 2021 467th RYNO8 429 142 4 Sep 2021 468th CaedenHarper 🇨🇦 426 143 10 Oct 2024 469th MeWhenI 🇻🇦 426 223 3 Sep 2024 470th InigoK 🇺🇸 423 144 11 Jul 2023 471st dokutan 421 226 24 Aug 2024 472nd m-tkach 🇺🇦 420 145 19 Sep 2021 473rd neihousaigaai 417 146 8 Apr 2021 473rd AGoyet 417 146 29 Jun 2022 475th dokutan 417 218 5 May 2024 476th MeWhenI 🇻🇦 416 209 13 Dec 2022 477th RDShah 414 147 19 Jan 2021 478th CaedenHarper 🇨🇦 411 142 10 Dec 2024 479th Yewzir 🇧🇪 410 203 9 Mar 2024 480th MeWhenI 🇻🇦 407 724 28 Nov 2023 481st dokutan 406 713 1 Apr 2024 482nd Indivicivet 403 151 26 Oct 2021 483rd Yewzir 🇧🇪 403 207 7 Jul 2023 484th hiddicop 🇸🇪 398 153 29 Jan 2021 484th ahmetdemirag 🇨🇾 398 153 16 Apr 2025 486th Yewzir 🇧🇪 397 210 18 Feb 2024 487th MeWhenI 🇻🇦 389 202 15 Nov 2021 488th cure-honey 🇯🇵 389 338 23 Mar 2021 489th boxjelly 385 127 12 Feb 2021 490th LeeCamp 383 159 16 Feb 2022 491st Yewzir 🇧🇪 383 205 11 Nov 2023 492nd boxjelly 378 161 21 Jan 2021 492nd za3k 378 161 28 Oct 2022 494th aksyristos 371 164 26 Jan 2023 495th aksyristos 370 132 17 Nov 2024 496th msbranicky 367 166 19 Aug 2023 497th boxjelly 363 477 2 Mar 2021 498th MaxElf999 362 168 27 Sep 2022 499th MeWhenI 🇻🇦 358 269 31 May 2024 500th dokutan 358 390 1 Apr 2024 501st emgordon154 355 642 11 Jul 2024 502nd msbranicky 352 166 17 Jan 2024 503rd adamnielson42 🇺🇸 352 194 25 Apr 2023 504th KatieLG 🇬🇧 352 425 22 Jan 2023 505th zakariamouhid 343 199 24 Jun 2023 506th MeWhenI 🇻🇦 339 265 12 Nov 2022 507th dokutan 338 409 14 Jun 2024 508th Yewzir 🇧🇪 337 270 22 Dec 2023 509th MarcMush 🇫🇷 326 581 5 Feb 2024 510th Yewzir 🇧🇪 318 215 7 Jul 2023 511th typeswitch-dev 🇵🇹 318 595 4 Aug 2023 512th GolfingSuccess 🇬🇷 315 935 20 Mar 2023 513th boxjelly 314 343 15 Feb 2021 514th Yewzir 🇧🇪 306 199 22 Dec 2023 515th dokutan 305 421 1 Apr 2024 516th Omega65536 🇩🇪 298 229 17 Jan 2021 516th targrik 298 229 14 Mar 2025 518th dokutan 298 442 29 Oct 2024 519th martinnorling 🇸🇪 297 205 5 Apr 2022 519th eiburns 297 205 26 Sep 2023 521st lynn 297 991 13 Mar 2023 521st jmerle 🇳🇱 297 991 4 Jul 2023 523rd Yewzir 🇧🇪 294 199 15 Jan 2024 524th lynn 294 562 16 Mar 2022 525th CatsAreFluffy 294 1,002 12 Mar 2023 Prev 451–525 of 1,590 Next