A group of mafia is attacking the train trying to get inside the train's security compartment. It's a good thing you're the security guard in charge so let's teach them a lesson by blasting them away and taking out fire with extinguishers.
A kaleidoscopic bullet-hell shooter game requiring you to rotate left and right or move closer and further away from the enemy mothership as your laser will wear down their defense shields, destroying their weapons and the ship.