Key features: 1. Physics-base and 3 game mode design give you different game experience. 2. Pill with specific color has specific attack effect and property. 3. Your can upgrade your most powerful battle ship and pills in Research Center. 4. Dynamic camera and slow motion effect make your every shoot become exciting challenge. Touch the trigger and slide to aim and shoot the virus, the force, accuracy and angle are all depend on your one finger. Use your skill and brilliant brain to face every challenges now!