MASS INVASION is an open-world co-op tactical sci-fi survival game in both first-person and third-person. Fight aliens. Utilize realistic inventory and medical systems. Craft gear, build bases, manage your underground bunker, and survive! 

KEY FEATURES

• Tactical Survival & Medical System: Manage a grid-based inventory with gear weight and realistic space limits. Treat specific body-part injuries, bleeding, and physical trauma using specialized medical items.

• First & Third-Person Camera: Switch freely between first-person and third-person views to fit your preferred playstyle during exploration and combat.

• Bunker Management & Base Building: Maintain a safe underground bunker as your main hub, or build custom surface bases anywhere in the open world.

• Diverse Alien Species & Infected: Battle infected humans and distinct alien types. Ranging from heavy warriors and stealth stalkers to symbiotic biomass units, each requiring unique tactical approaches and preparation.

• Scavenging & Crafting: Explore abandoned structures to find military supplies, medical gear, and raw materials. Use resources to craft weapons, survival tools, and base building.

• Co-op & Solo Play: Survive the alien invasion alone or team up with friends in online co-op.