Zero Tolerance Origins on retro cartridges will come with the original game Zero Tolerance and the never released sequel Zero Tolerance Underground, which starts right where the first part ends! Zero Tolerance was one of the earliest first-person titles ever released on Sega Mega Drive and Genesis and is set in a futuristic world where the universe is swarmed by all possible kinds of evil aliens. As highly skilled member of the Zero Tolerance team, you get called to repel the aliens’ invasion and protect mankind from the enemy. Fight back the aliens’ attack on the spaceship Europe-1 and repel their invasion on earth in Zero Tolerance and hunt down the invaders on a subway mission in the never before released sequel Zero Tolerance Underground!