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!

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“We want to deliver smooth gameplay to you. So, we need to test and improve our game which consists of many features and unique mechanics. Early access is the best solution to get feedback from our community after all this game is made for people like us who want to enjoy the best of a survival experience. The game will be shaped according to our community feedback.”

Approximately how long will this game be in Early Access?

“While we do not have a set date for a full release at this moment in time, we expect that the game will be in early access for around a year. Our focus is on ensuring that the game is fun and enjoyable rather than imposing a deadline that might have a negative impact on the final product.”

How is the full version planned to differ from the Early Access version?

“The full version of MASS INVASION is planned to expand upon the core tactical survival sandbox with more content, deeper systems, and overall polish. We plan to introduce new game mechanics, expanded weapon and gear tiers, additional base-building assets, and deeper bunker management options. Throughout Early Access, we plan to focus on performance optimization, quality of life updates, and refining balancing based on direct player feedback.”

What is the current state of the Early Access version?

“The Early Access release features a fully playable open-world tactical survival loop in both solo and online co-op modes. Players can seamlessly switch between first-person and third-person perspectives, battle alien threats, manage a realistic grid inventory and injury/medical system, build surface bases, maintain an underground bunker, and gather resources to craft weapons and survival gear.”

Will the game be priced differently during and after Early Access?

“We plan to keep the price unchanged throughout Early Access and plan to increase it upon full release as overall content and systems reach completion. Joining during Early Access allows players to purchase the game at a lower price point as a thank you for supporting development early.”

How are you planning on involving the Community in your development process?

“We intend to use a range of different methods to gather player feedback and data throughout the Early Access period. These include engaging with users directly on our official Discord server and our Steam discussion section, requesting specific feedback via social media, and playing alongside our community.”
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About This Game


 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.

Mature Content Description

The developers describe the content like this:

Mass Invasion contains; violence and blood, as well as horror themes such as alien parasite-infected humans and alien monsters.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows® 10 64-bit (After November 2019 Update) or Windows® 11 64-bit
    • Processor: Intel® Core™ i5-8400 / AMD Ryzen™ 5 2600
    • Memory: 16 GB RAM
    • Graphics: Nvidia GTX 1070 | AMD RX 5700 | Intel Arc A580
    • DirectX: Version 11
    • Storage: 20 GB available space
    • Additional Notes: SSD (Preferred). These estimates may change during final release.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows® 10 64-bit (After November 2019 Update) or Windows® 11 64-bit
    • Processor: Intel® Core™ i7-10700K / AMD Ryzen™ 5 5600X
    • Memory: 16 GB RAM
    • Graphics: Nvidia RTX 3080 | AMD RX 6800 XT | Intel Arc A770
    • DirectX: Version 11
    • Storage: 20 GB available space
    • Additional Notes: SSD (Preferred). These estimates may change during final release.
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