UnderKoen (he/him) 🇳🇱

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💎63
🥇92
🥈74
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66 / 78 Cheevos

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12 Days of Christmas
653rd
24 Game
62nd
99 Bottles of Beer
366th
Abundant Numbers
384th
Abundant Numbers (Long)
563rd
Arabic to Roman
341st
Arithmetic Numbers
1,162nd
Arrows
294th
Ascending Primes
367th
ASCII Table
150th
Billiards
115th
brainfuck
268th
Card Number Validation
114th
Catalan Numbers
730th
Catalan’s Constant
130th
Christmas Trees
2,031st
Collatz
1,823rd
CSS Colors
409th
Cubes
62nd
Day of Week
438th
DFA Simulator
169th
Diamonds
854th
Divisors
1,117th
Emirp Numbers
366th
Emirp Numbers (Long)
574th
Emojify
476th
Evil Numbers
847th
Evil Numbers (Long)
919th
Factorial Factorisation
91st
Farey Sequence
261st
Fibonacci
2,306th
Fizz Buzz
2,063rd
Foo Fizz Buzz Bar
980th
Forsyth–Edwards Notation
391st
Fractions
493rd
Game of Life
132nd
Gijswijt’s Sequence
138th
Happy Numbers
423rd
Happy Numbers (Long)
759th
Hexdump
155th
Intersection
154th
Inventory Sequence
389th
ISBN
203rd
Jacobi Symbol
254th
Kaprekar Numbers
339th
Kolakoski Constant
132nd
Kolakoski Sequence
765th
Leap Years
426th
Levenshtein Distance
500th
Leyland Numbers
418th
ln 2
622nd
Look and Say
264th
Lucky Numbers
355th
Lucky Tickets
210th
Mahjong
69th
Maze
121st
Medal Tally
104th
Morse Decoder
190th
Morse Encoder
137th
Musical Chords
92nd
N Queens
166th
Niven Numbers
1,240th
Niven Numbers (Long)
758th
Number Spiral
229th
Odious Numbers
596th
Odious Numbers (Long)
919th
Ordinal Numbers
3rd
PalindromemordnilaP
337th
Pangram Grep
195th
Partition Numbers
165th
Pascal’s Triangle
1,081st
Pernicious Numbers
734th
Pernicious Numbers (Long)
823rd
Poker
99th
Polyominoes
132nd
Prime Numbers
991st
Prime Numbers (Long)
1,832nd
Proximity Grid
134th
QR Decoder
99th
Quine
1,643rd
Recamán
714th
Repeating Decimals
138th
Reverse Polish Notation
696th
Reversi
183rd
Rijndael S-box
99th
Rock-paper-scissors-Spock-lizard
269th
Roman to Arabic
821st
ROT13
389th
Rule 110
541st
Set
124th
Seven Segment
333rd
SI Units
91st
Sierpiński Triangle
795th
Smith Numbers
804th
Spelling Numbers
228th
Star Wars Opening Crawl
376th
Sudoku
429th
Sudoku (Fill-in)
385th
Ten-pin Bowling
112th
Tic-tac-toe
181st
Time Distance
138th
Tongue-twisters
150th
Transpose Sentence
442nd
United States
454th
Vampire Numbers
562nd
Van Eck Sequence
475th
Zeckendorf Representation
433rd
Zodiac Signs
412th
γ
123rd
λ
83rd
π
1,090th
τ
828th
φ
1,016th
√2
1,170th
𝑒
1,158th