the last walking (on hold for a bit)

its been 15 years since the Z.A.M (zombie and mutation) project went wrong and 75% percent of the united blocks of cube population was turned into monsters and Sim one of the only players who escaped with his whole family. They live peace for 15 year but after a horrible accident with a mysterious and powerful thing who calls him self the Walker Sim is left alone to protect himself and his daughter from gangs,horrible beast, and the Walker in order to find a powerful group called the last walking who are trying to cure the population.