- hello-world
- lasagna
- log-line-parser
- amusement-park
- amusement-park-improvements
- simple-calculator
- assembly-line
- moviegoer
- savings-account
- port-palermo
- chess-game
- bird-count
- boutique-inventory
- boutique-inventory-improvements
- locomotive-engineer
- two-fer
- raindrops
- gigasecond
- leap
- grains
- flatten-array
- space-age
- armstrong-numbers
- scrabble-score
- luhn
- triangle
- roman-numerals
- darts
- collatz-conjecture
- isogram
- pangram
- nucleotide-count
- anagram
- acronym
- rna-transcription
- difference-of-squares
- etl
- resistor-color
- resistor-color-duo
- resistor-color-trio
- high-scores
- sieve
- nth-prime
- prime-factors
- matching-brackets
- perfect-numbers
- sum-of-multiples
- microwave
- bob
- isbn-verifier
- protein-translation
- series
- word-count
- allergies
- simple-cipher
- clock
- circular-buffer
- binary-search-tree
- matrix