Tower defense games are pretty popular on Android devices. They are thrilling, require great use of grey matter, and are simply fun to play. Boulder Base is another entrant to this genre. Challenging, action-packed, and electrifying, this free-to-play game is here to stay. Although based on the same principle of defending your castle as some other games, Boulder Base has the unique elements that make it stand apart from the rest. The gameplay is typical of the castle defense games, …
