Are you ready to take on the challenge of RETRO NPC Tower Defense? This subgenre of strategy games is a unique take on the classic tower defense genre, requiring players to defend enemies and buy awesome towers to help them. Players can also get a friend boost, which will give them an edge in battles, and enjoy premium benefits, such as extra coins and more. With its fun and engaging gameplay, RETRO NPC Tower Defense is sure to provide hours of entertainment. So what are you waiting for? Join the world of RETRO NPC Tower Defense and become the best defender of enemies!