UnderKoen (he/him) 🇳🇱

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66 / 78 Cheevos

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12 Days of Christmas
653rd
24 Game
72nd
99 Bottles of Beer
370th
Abundant Numbers
393rd
Abundant Numbers (Long)
596th
Arabic to Roman
362nd
Arithmetic Numbers
1,184th
Arrows
293rd
Ascending Primes
375th
ASCII Table
153rd
Billiards
114th
brainfuck
267th
Card Number Validation
117th
Catalan Numbers
749th
Catalan’s Constant
131st
Christmas Trees
2,055th
Collatz
1,801st
CSS Colors
415th
Cubes
62nd
Day of Week
433rd
DFA Simulator
171st
Diamonds
932nd
Divisors
1,140th
Emirp Numbers
377th
Emirp Numbers (Long)
570th
Emojify
483rd
Evil Numbers
853rd
Evil Numbers (Long)
942nd
Factorial Factorisation
93rd
Farey Sequence
270th
Fibonacci
2,346th
Fizz Buzz
2,045th
Foo Fizz Buzz Bar
968th
Forsyth–Edwards Notation
398th
Fractions
498th
Game of Life
132nd
Gijswijt’s Sequence
140th
Happy Numbers
444th
Happy Numbers (Long)
772nd
Hexdump
159th
Intersection
161st
Inventory Sequence
399th
ISBN
205th
Jacobi Symbol
255th
Kaprekar Numbers
341st
Kolakoski Constant
128th
Kolakoski Sequence
775th
Leap Years
432nd
Levenshtein Distance
497th
Leyland Numbers
423rd
ln 2
653rd
Look and Say
267th
Lucky Numbers
383rd
Lucky Tickets
210th
Mahjong
69th
Maze
115th
Medal Tally
107th
Morse Decoder
190th
Morse Encoder
137th
Musical Chords
95th
N Queens
171st
Niven Numbers
1,156th
Niven Numbers (Long)
623rd
Number Spiral
223rd
Odious Numbers
612th
Odious Numbers (Long)
943rd
Ordinal Numbers
3rd
PalindromemordnilaP
348th
Pangram Grep
200th
Partition Numbers
165th
Pascal’s Triangle
1,106th
Pernicious Numbers
743rd
Pernicious Numbers (Long)
859th
Poker
100th
Polyominoes
131st
Prime Numbers
648th
Prime Numbers (Long)
1,837th
Proximity Grid
136th
QR Decoder
97th
Quine
1,666th
Recamán
723rd
Repeating Decimals
139th
Reverse Polish Notation
706th
Reversi
186th
Rijndael S-box
100th
Rock-paper-scissors-Spock-lizard
271st
Roman to Arabic
843rd
ROT13
400th
Rule 110
550th
Set
184th
Seven Segment
336th
SI Units
97th
Sierpiński Triangle
793rd
Smith Numbers
797th
Spelling Numbers
228th
Star Wars GPT
104th
Star Wars Opening Crawl
385th
Sudoku
435th
Sudoku (Fill-in)
390th
Ten-pin Bowling
120th
Tic-tac-toe
183rd
Time Distance
139th
Tongue-twisters
151st
Transpose Sentence
461st
United States
455th
Vampire Numbers
564th
Van Eck Sequence
483rd
Zeckendorf Representation
438th
Zodiac Signs
411th
γ
124th
λ
82nd
π
1,102nd
τ
837th
φ
1,025th
√2
1,184th
𝑒
1,177th