PARIS: Nighttime over Parisian rooftops is where the Paris World places you. Slow down time for a few seconds to get a better shot at the enemies by slashing downward on the touch screen with the stylus. Look out for enemies who use shots that will chase you down. Missed shots will not create falling sparks while time is slowed down, so fire away. Hidden enemies will appear as dark shadows that can only be shot when time is stopped. World Upgrade: Time Stop: Pulling straight down in a straight line activates the Time Stop. You will encounter quite a bit of enemy fire, so it comes in useful in each level. Keep an eye on the charge meter, though.