Game Analyzation and Theory #2

The game's objective is to survive the waves of zombies by shooting crates to unlock special weapons, and to upgrade your default weapons by using money you earn throughout the levels. The game is a shooter. The game is extremely easy to navigate using simply WASD or arrow keys to move around the roof, left mouse button to shoot, and space bar to use a special weapon. The player is meant to strive for buying better weapons to continue surviving the waves of zombies in each level and reach the end of the game. The risk balances out the reward as the more zombies that appear through each level gives more money to buy better weapons. With that in mind I think the game is balanced.