Kolakoski Constant in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 464th snoozingnewt 🇨🇦 511 1,010 1ms 20 Sep 2025 482nd jusaka 510 1,013 2ms 7 days ago 483rd lifthrasiir 🇰🇷 509 582 7ms 19 Dec 2024 484th GolfingSuccess 🇬🇷 508 134 102ms 25 Jan 2021 485th hiddicop 🇸🇪 507 112 65ms 29 Jan 2021 486th glesnick 504 135 221ms 18 Aug 2022 487th KatieLG 🇬🇧 497 141 520ms 15 Jan 2024 488th Pyroan 493 138 98ms 14 May 2025 488th InigoK 🇺🇸 493 138 34ms 25 Aug 2025 490th TheZwierzLF 🇵🇱 493 142 2,422ms 21 Dec 2025 491st two-bad 🇬🇧 490 141 1,111ms 25 Feb 2024 492nd janbehrens 🇩🇪 490 150 499ms 3 Dec 2023 493rd michelebastione 🇮🇹 489 139 75ms 10 Apr 2021 493rd cubed-guy 489 139 29ms 2 Nov 2022 495th SniperSmiley 🇺🇸 486 140 95ms 30 Jun 2022 495th StefanHabel 🇨🇦 486 140 65ms 21 Apr 2024 497th yzhs 🇩🇪 486 180 139ms 24 Jul 2021 498th KatieLG 🇬🇧 482 141 41ms 19 Jan 2023 499th RYNO8 479 142 20ms 4 Sep 2021 500th neihousaigaai 477 275 620ms 5 Jan 2022 501st jared-hughes 471 233 2,026ms 17 Jul 2022 502nd CaedenHarper 🇨🇦 469 128 1,098ms 9 Sep 2025 503rd m-tkach 🇺🇦 469 145 117ms 19 Sep 2021 504th neihousaigaai 466 146 20ms 8 Apr 2021 504th AGoyet 466 146 26ms 29 Jun 2022 504th dcc5480 466 146 32ms 43 hours ago 507th Shanethegamer 🇺🇸 466 248 433ms 12 Dec 2021 508th adamnielson42 🇺🇸 463 95 19ms 20 Nov 2023 509th RDShah 463 147 183ms 19 Jan 2021 509th luuumine 🇫🇷 463 147 40ms 9 Oct 2025 511th KatieLG 🇬🇧 462 123 102ms 27 Dec 2025 512th KatieLG 🇬🇧 460 150 21ms 18 Apr 2021 512th eranws 460 150 48ms 2 Nov 2022 512th tomh1012 460 150 17ms 20 days ago 515th LucaArgentiUCF 🇮🇹 452 294 106ms 28 Jan 2021 516th Indivicivet 450 151 408ms 26 Oct 2021 517th TheZwierzLF 🇵🇱 448 152 2,178ms 21 Dec 2025 518th h3ra993huskp 🇯🇵 448 293 637ms 30 Nov 2025 519th boxjelly 447 127 419ms 12 Feb 2021 520th hiddicop 🇸🇪 445 153 15ms 29 Jan 2021 520th ahmetdemirag 🇨🇾 445 153 501ms 16 Apr 2025 522nd olivermrose 🇺🇸 444 128 125ms 17 Apr 2022 523rd aksyristos 437 130 728ms 17 Feb 2026 524th boxjelly 435 201 145ms 26 Jan 2021 525th madex 🇩🇪 435 250 36ms 27 Oct 2024 526th dokutan 430 163 547ms 13 Mar 2025 527th LeeCamp 428 159 19ms 16 Feb 2022 527th jatloe 428 159 59ms 26 Sep 2024 529th boxjelly 422 161 83ms 21 Jan 2021 529th za3k 422 161 140ms 28 Oct 2022 531st msbranicky 422 166 613ms 17 Jan 2024 532nd MeWhenI 🇻🇦 419 574 5ms 16 Dec 2024 533rd dokutan 415 164 44ms 13 Mar 2025 534th msbranicky 410 166 48ms 19 Aug 2023 535th MeWhenI 🇻🇦 409 724 8ms 28 Nov 2023 536th MaxElf999 405 168 387ms 27 Sep 2022 537th cure-honey 🇯🇵 393 338 112ms 23 Mar 2021 538th Schmitt-Very-Cool 389 337 869ms 1 Oct 2025 539th JunkIce 387 181 574ms 7 Mar 2025 540th RaBa21 🇭🇺 380 179 24ms 1 Aug 2025 541st JunkIce 376 181 19ms 7 Mar 2025 541st robin-scragg 376 181 74ms 25 Oct 2025 543rd adamnielson42 🇺🇸 356 194 22ms 25 Apr 2023 544th zakariamouhid 347 199 62ms 24 Jun 2023 545th snoozingnewt 🇨🇦 342 191 270ms 2 Oct 2025 546th Yewzir 🇧🇪 338 711 7ms 19 Dec 2024 547th MeWhenI 🇻🇦 333 180 1,134ms 15 Sep 2025 548th jbjd 333 204 43ms 18 Jul 2025 549th martinnorling 🇸🇪 332 205 410ms 5 Apr 2022 549th eiburns 332 205 314ms 26 Sep 2023 551st blaztoma 🇱🇹 328 199 234ms 13 Oct 2025 552nd bwat2 327 401 557ms 4 Mar 2022 553rd snoozingnewt 🇨🇦 325 927 30ms 5 Nov 2025 554th boxjelly 317 343 488ms 15 Feb 2021 555th GolfingSuccess 🇬🇷 317 935 6ms 20 Mar 2023 556th m-tkach 🇺🇦 305 581 25ms 27 Apr 2022 557th JOrE20 300 988 6ms 22 Nov 2025 558th lynn 299 991 6ms 13 Mar 2023 558th jmerle 🇳🇱 299 991 6ms 4 Jul 2023 560th neel11235813 297 1,016 22ms 25 Dec 2022 First Prev 481–560 of 1,891 Next Last