- Grasshopper - Summation
- Convert number to reversed array of digits
- A Needle in the Haystack
- Calculate average
- Rock Paper Scissors!
- Square(n) Sum
- Beginner - Lost Without a Map
- Correct the mistakes of the character recognition software
- Sentence Smash
- Cat years, Dog years
- Beginner - Reduce but Grow
- Beginner Series #2 Clock
- Sort and Star
- Array plus array
- Jaden Casing Strings
- Categorize New Member
- Number of People in the Bus
- Find how many times did a team from a given country win the Champions League?
- Two fighters, one winner.
- Reverse words Try to do this without using
.reverse() - Alphabet War
- Rock Off!
- Is Ruby Coming?
- Greet Developers
- JavaScript Developers
- Interactive Dictionary
- Sorted? yes? no? how?
- Find the capitals