The year is 1930. You are the Proletarian Ninja X. You fight the great capitalism with murder and violence. Peace is for the weak.
Problem is: you really have many many people on your Kill List. Consequently, you definitely cannot spend more than 10 seconds on each contract. But, hey, you’re a ninja, remember?
Stay out of sight and kill everyone in the room in 10sec or less!
Here is the timelapse video: