Story:

Your team is searching for the long-lost artifact, the "Diamond Skull." A significant energy source was discovered during a scan of an Earth-like planet. It is believed to be the "Diamond Skull" artifact. Some civilizations believe this artifact is the true origin of all life in the universe. Your mission is to infiltrate the temple complex and locate the energy source.

Story:

After the outbreak of the zombie pandemic, humanity lost all major cities and was forced to retreat to rural areas. Space and infrastructure are scarce. For months, the military planned the recapture of the city to establish a new base. Hundreds of soldiers, supported by vehicles and helicopters, were deployed, but the mission turned into a disaster.
Your team is one of the last survivors and must fight their way through hordes of the undead. The command center, "Godfather," relays all the vital information to you via radio so you can escape this hell.

Story:

A deadly virus has broken out in a secret laboratory. The facility's security mechanism was activated when an infected individual left the exclusion zone. Surveillance camera footage shows infected individuals exhibiting zombie-like behavior; Patient Zero died in Lab 1 before the outbreak.
Your team is dispatched to a remote desert canyon to rescue surviving staff members and retrieve Patient Zero's data. The pandemic must be stopped!