Venture into a hostile post-apocalyptic world, fight and scavenge for resources, then return to build, manage, and defend your underground bunker in this top-down action RPG.

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About This Game

System Arrival — A single-player top-down survival action RPG. Scavenge the ruins, fight with firearms, melee weapons and psychic powers, and bring supplies back to your underground bunker. Craft gear, manage survivors and build up your shelter for the next expedition.


Develop your bunker

Between expeditions, manage your bunker by assigning survivors to gather resources, training their skills, and unlocking new technologies. Your bunker serves as the hub of your progression and story-driven missions.

Fight with weapons and psychic powers

Aim your shots, strike in melee, dodge attacks and use psychic abilities against monsters. Combine equipment and skills to find your own approach to combat.

Build your own playstyle

Intelligence, Constitution, Strength, and Agility shape your character's abilities in real time. Combine attributes, skills, and random mutations to adapt to every expedition.

Study monster DNA

Eliminate mutated creatures to unlock new implants, abilities, and hidden crafting recipes. Use the DNA Laboratory to enhance implants, upgrade armor, and unlock advanced bunker construction technologies.

React to a changing battlefield

Enemies grow stronger, attack in coordinated groups, and constantly force you to reposition and adapt. The deeper you venture into an expedition, the harder it becomes to make it back alive.

The world changed when the System arrived

Modern-day North America lies in ruins. A mysterious System has warped reality and turned people into monsters. The survivors must fight for every chance to regain control of their world.

Your journey is shaped by difficult decisions and morally ambiguous choices. Decide whether to stand with humanity, trust Earth's AI, or submit to the will of the System.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Some pre-generated 2D artwork used in the game and in Steam store and marketing materials was created with the assistance of generative AI tools. All AI-assisted assets were selected, reviewed, edited, and integrated by the development team before inclusion. No content is generated by AI during gameplay, and the game does not connect to live generative AI services.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit (version 21H1 or later)
    • Processor: Intel Core i5-4590 or AMD FX-8350
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 960 4 GB or AMD Radeon RX 470 4 GB
    • DirectX: Version 11
    • Storage: 6 GB available space
    • Sound Card: DirectX-compatible sound card
    • Additional Notes: Requires a 64-bit processor and operating system
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10/11 64-bit
    • Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 6 GB or AMD Radeon RX 580 8 GB
    • DirectX: Version 11
    • Storage: 8 GB available space
    • Sound Card: DirectX-compatible sound card
    • Additional Notes: SSD recommended
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