Last Fortress: Underground

1: Build and customize your shelter by expanding it with various facilities like the Satellite Nexus, Power Generators, and Mission Control. Design the layout according to your preference.

2: Manage and utilize heroes and survivors with special life skills ranging from chefs and doctors to scientists and soldiers. Deploy them effectively to maximize their potential.

3: Formulate your favorite team combination by assembling diverse heroes with unique personalities and abilities. Create synergies among team members to overcome challenging situations.

4: Venture outside the shelter and scavenge for valuable resources in the wastelands. Set up camps as forward operating bases and resource points, but stay vigilant for unexpected zombie attacks.

5: Join or create an Alliance with friends to fight alongside each other. Assist allies by accelerating constructions and tech researches, ensuring mutual benefits. It's time to go forth, Commander, and survive in this thrilling post-apocalyptic world!