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 Topological Sort 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 Knight Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal

Bytes Chars

Hole	Golfer	Bytes	Submitted
ISBN	gastropner	149	8 Jul 2025
ISBN	Schmitt-Very-Cool	236	25 May 2025
ISBN	heanyang1	140	21 May 2025
ISBN	HumanoidCPU	136	4 Mar 2025
ISBN	kevinnaviapaiva	347	24 Feb 2025
ISBN	DialFrost	111	20 Dec 2024
ISBN	Mandrzejy	114	13 Sep 2024
ISBN	jbjd	154	12 Sep 2024
ISBN	dokutan	132	13 Aug 2024
ISBN	inventshah	106	7 Aug 2024
ISBN	sjrct	144	4 Aug 2024
ISBN	KasperKivimaeki	💎 100	19 Jul 2024
ISBN	LHLaurini	119	17 Jul 2024
ISBN	rifatx	145	14 Jul 2024
ISBN	akamayu-ouo	142	8 Jul 2024
ISBN	JohandeRuiter	102	7 Jul 2024
ISBN	MeWhenI	116	5 Jul 2024
ISBN	bac0id	126	3 Jul 2024
ISBN	abc7-12	121	26 Jun 2024
ISBN	rambox11	183	11 Jun 2024
ISBN	mrmena	279	14 Mar 2024
ISBN	ovs-code	105	17 Feb 2024
ISBN	mathisfun271	115	5 Feb 2024
ISBN	sean-niemann	118	3 Feb 2024
ISBN	xsot	109	1 Feb 2024
ISBN	epic-programmer-guy	215	31 Dec 2023
ISBN	drabart	113	18 Dec 2023
ISBN	1231234md5	173	11 Dec 2023
ISBN	Szum123321	111	9 Dec 2023
ISBN	Yewzir	113	29 Nov 2023
ISBN	klixel	133	27 Nov 2023
ISBN	MateuszPietrzak	225	22 Nov 2023
ISBN	FragmentedCurve	115	22 Nov 2023
ISBN	snoozingnewt	185	14 Nov 2023
ISBN	ZakkkkAttackkkk	111	9 Nov 2023
ISBN	Msleizak	776	9 Nov 2023
ISBN	Sephirem98	190	2 Nov 2023
ISBN	speles	110	29 Oct 2023
ISBN	bitsandbeyond	333	28 Oct 2023
ISBN	kallmi28	145	13 Oct 2023
ISBN	zt14427	269	6 Oct 2023
ISBN	violeta-desantis	137	27 Sep 2023
ISBN	jacobly0	215	5 Sep 2023
ISBN	msbranicky	150	20 Aug 2023
ISBN	Alex-x90	108	8 Aug 2023
ISBN	Andriamanitra	153	14 Jul 2023
ISBN	daschr	159	26 Jun 2023
ISBN	janbehrens	130	23 Jun 2023
ISBN	nwellnhof	🥈 101	23 Jun 2023
ISBN	aksyristos	538	11 Jun 2023
ISBN	JayXon	🥈 101	21 May 2023
ISBN	second-pumpkin	150	15 Mar 2023
ISBN	isaiah0311	162	16 Feb 2023
ISBN	Natanaelel	286	7 Feb 2023
ISBN	tomh1012	166	13 Jan 2023
ISBN	retrohun	121	30 Dec 2022
ISBN	biocommando	145	26 Dec 2022
ISBN	MaxElf999	148	19 Dec 2022
ISBN	DrPiranoid	143	21 Oct 2022
ISBN	jgbaldwinbrown	133	13 Oct 2022
ISBN	djeedjay	124	16 Sep 2022
ISBN	jupj	125	31 Aug 2022
ISBN	ColeBardin	185	21 Jul 2022
ISBN	Irratix	110	14 May 2022
ISBN	Shanethegamer	112	20 Apr 2022
ISBN	Anonymousellama21	141	14 Apr 2022
ISBN	madex	115	10 Apr 2022
ISBN	jared-hughes	128	17 Mar 2022
ISBN	c0d3-4-F00d	122	21 Feb 2022
ISBN	pandapawskat	132	7 Feb 2022
ISBN	Re-Adventures	143	7 Feb 2022
ISBN	prplz	109	18 Jan 2022
ISBN	m-tkach	117	11 Jan 2022