duckyluuk (he/him) 🇳🇱

98,988
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🥈60
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113 / 113 Holes

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26 / 61 Langs

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51 / 77 Cheevos

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Holes Authored

12 Days of Christmas
18th 52nd 63rd5th
24 Game
11th 19th💎2nd
99 Bottles of Beer
17th 84th3rd
Abundant Numbers
15th 84th1st1st
Abundant Numbers (Long)
16th 64th4th1st
Arabic to Roman
24th 23rd 6th 87th2nd3rd
Arithmetic Numbers
14th 20th1st
Arrows
13th 27th4th
Ascending Primes
15th 29th3rd
ASCII Table
12th 29th4th3rd
Billiards
36th
brainfuck
7th 12th 35th3rd
Card Number Validation
8th 1st 14th💎2nd
Catalan Numbers
1st 1st5th
Catalan’s Constant
14th 1st 47th2nd
Christmas Trees
7th 22nd 33rd2nd4th
Collatz
26th 59th 7th 90th3rd4th
CSS Colors
23rd 1st 23rd2nd
Cubes
12th 32nd3rd
Day of Week
28th 1st 1st66th💎
DFA Simulator
8th 14th 💎 7th💎💎
Diamonds
14th 26th💎1st
Divisors
1st 155th 1st 1st3rd4th
Emirp Numbers
19th 7th 34th3rd2nd
Emirp Numbers (Long)
16th 40th3rd
Emojify
10th 22nd1st2nd
Evil Numbers
5th 59th 9th 1st3rd4th
Evil Numbers (Long)
16th 38th 8th 32nd4th3rd
Factorial Factorisation
8th 18th 18th4th
Farey Sequence
17th 19th 4th 24th💎1st
Fibonacci
12th7th8th37th18th3rd 21st1st 24th 28th1st 6th1st 12th46th1st1st7th7th36th
Fizz Buzz
1st 1st1st 7th 1st5th3rd
Foo Fizz Buzz Bar
1st 31st 1st4th4th
Forsyth–Edwards Notation
10th 5th 20th💎2nd
Fractions
1st 1st 1st3rd3rd1st
Game of Life
5th 16th 4th 7th💎1st
Gijswijt’s Sequence
8th 10th2nd2nd
Happy Numbers
7th 8th 1st2nd4th
Happy Numbers (Long)
15th 34th5th4th
Hexdump
23rd 66th2nd
Intersection
17th 21st 26th2nd
Inventory Sequence
17th 9th 35th💎2nd
ISBN
9th 28th 17th4th3rd
Jacobi Symbol
17th 50th2nd
Kaprekar Numbers
10th 26th 34th💎4th
Kolakoski Constant
13th 4th 36th3rd
Kolakoski Sequence
7th 37th 6th 17th1st4th
Leap Years
25th 163rd 95th4th4th
Levenshtein Distance
19th 34th💎
Leyland Numbers
20th 6th2nd4th
ln 2
1st 1st3rd
Look and Say
9th 15th 1st9th 54th💎3rd
Lucky Numbers
19th 19th3rd
Lucky Tickets
17th 37th
Mahjong
13th 22nd
Maze
13th 33rd
Medal Tally
5th 25th 5th 1st2nd3rd
Morse Decoder
8th 12th2nd
Morse Encoder
7th 16th2nd
Musical Chords
11th 26th💎
N Queens
5th 12th 11th1st💎
Niven Numbers
24th 1st 31st1st5th
Niven Numbers (Long)
16th 14th 33rd2nd3rd
Number Spiral
8th 8th2nd3rd
Odious Numbers
4th 48th 8th 1st4th4th
Odious Numbers (Long)
5th 34th 9th 1st4th3rd
Ordinal Numbers
22nd 4th4th
PalindromemordnilaP
6th 17th 5th 14th🦄3rd
Pangram Grep
19th 39th 43rd3rd3rd
Pascal’s Triangle
26th 37th 105th4th
Pernicious Numbers
30th 75th4th3rd
Pernicious Numbers (Long)
12th 1st4th3rd
Poker
6th 11th💎
Polyominoes
10th 20th💎💎
Prime Numbers
26th 74th 75th 11th 42nd1st1st
Prime Numbers (Long)
18th 60th 34th 11th 41st1st4th
Proximity Grid
14th 25th
QR Decoder
12th 23rd
Quine
1st 1st25th 26th1st 177th 21st1st 56th1st1st
Recamán
12th 32nd 20th4th
Repeating Decimals
19th 55th💎
Reverse Polish Notation
19th 48th 55th4th
Reversi
10th 19th
Rijndael S-box
15th 33rd💎
Rock-paper-scissors-Spock-lizard
14th 43rd💎
Roman to Arabic
7th 23rd 1st💎1st
ROT13
8th 29th 3rd
Rule 110
22nd 60th3rd
Seven Segment
17th 40th2nd2nd
SI Units
14th 31st
Sierpiński Triangle
12th 18th 40th2nd
Smith Numbers
9th 30th3rd
Spelling Numbers
20th73rd 45th💎
Star Wars Opening Crawl
14th 34th💎
Sudoku
10th 22nd
Sudoku (Fill-in)
11th 26th
Ten-pin Bowling
12th 32nd
Tic-tac-toe
8th 22nd 1st
Time Distance
13th 13th💎2nd
Tongue-twisters
8th 16th5th
Transpose Sentence
12th 3rd 16th1st4th
United States
10th 3rd 31st2nd
Vampire Numbers
11th 17th3rd
Van Eck Sequence
8th 23rd 1st3rd2nd
Zeckendorf Representation
2nd 18th 1st5th5th
Zodiac Signs
15th 27th💎
γ
13th 1st3rd 29th💎
λ
15th 1st 51st💎
π
5th 7th11th1st5th 9th2nd
τ
4th 7th11th56th4th 6th2nd
φ
20th 13th 38th 43rd3rd
√2
1st 32nd 11th 1st💎
𝑒
1st 1st7th 1st3rd