Abundant Numbers
688
Arabic to Roman
139813
Diamonds
592
Emirp Numbers
550
Emojify
Evil Numbers
727
Fibonacci
934
Fizz Buzz
915
ISBN
634
Leap Years
652
Odious Numbers
753
Ordinal Numbers
657
Pangram Grep
805
Prime Numbers
603
Rock-paper-scissors-Spock-lizard
209
Seven Segment
561
Spelling Numbers
393
United States
φ
717