 The game has 30 levels that increase in difficulty and complexity, and introduce new worker types and real-world sweatshop problems such as fires, unions and the lack of toilets that add authenticity to the game mechanics.The game utilizes the mechanics of tower defense, which have been used in many entertainment games such as "Plants vs. Zombies".In "Sweatshop", the clothing materials on the conveyor belt can be likened to “enemies”, and the factory workers who turn the materials into finished product can be seen as the defending “troops”.