Pew... pew... enemy goes boom!
We give you exciting music, intense gameplay, smart AI and epic weapons. It is up to you to deal with the infections.
The player has to fight against various enemies. Their density and the dynamic environment is based on the rhythm of the music that you are listening to. Based on your performance the enemies will become more aggressive as well, but don't worry, they will become less dangerous if things get too tough for you.
If simply a score won't cut it for you then you have the "mastery" statistic to keep track of. This indicates how well you performed in the game. Each hit taken will decrease it. Can you keep your personal high score while maintaining a high mastery?