Welcome to Xenonauts, a turn-based tactical strategy game where you command the Xenonauts, a multinational paramilitary organization fighting a global alien invasion. From your underground bases, you'll manage everything: research alien tech, build new weapons and aircraft, train your soldiers, and deploy them on procedurally generated missions across the globe. It’s a challenging, rewarding experience that blends X-COM-like squad combat with deep strategic management.
This guide is here to help you navigate the complexities of Xenonauts, from establishing early game dominance and optimizing your economy to mastering base building and executing successful alien base assaults. We'll cover expert tactics for every stage of your interstellar campaign, ensuring you're prepared to repel the alien invasion and achieve victory on PC, macOS, and Linux.
SCENARIO
Learn about the Xenonauts scenario: a planetary defense simulator where you fight an alien invasion starting in 1979 with limited resources.
In Xenonauts, Earth faces an invasion by alien races with unknown, sinister purposes. World governments have formed a global defense force, the Xenonauts, to combat this threat. You are placed at the head of this organization, tasked with controlling the alien menace and discovering their ultimate purpose.
You begin the game with a limited budget, a single base of operations, and conventional weaponry that is underpowered compared to alien plasma streams. Your initial squad consists of 8 members, facing alien hordes with rudimentary science against their galaxy-spanning technology.
- Understand that your starting resources are intentionally limited to create a challenging experience.
- Focus on researching alien technology to improve your own capabilities.
- Prioritize developing your base and expanding your squad to counter the growing threat.
OVERVIEW
Learn how Xenonauts' background ticker drives game events, alien threat escalation, and the race to research alien tech. Master the core gameplay loop.
Hey there! So, you're diving into Xenonauts, huh? Let me break down how the game actually ticks, so you know what you're up against. Think of it like this: there's this invisible timer, a 'ticker,' that's always running in the background. The harder the difficulty, the faster this ticker spins. As it hits certain points, new stuff can happen – tougher enemies might show up, UFOs get scarier, and alien bases could start popping up. This constant pressure is the heart of the game; you're always trying to keep your research and manufacturing from falling behind the escalating alien threat. That feeling of being on equal footing? Enjoy it while it lasts, because it's never for long!
If you've played the old XCOM games or the newer ones, the basic idea will feel familiar. Your main gig is shooting down UFOs, taking out the aliens inside, and then trying to figure out all their cool tech. Their ships have fusion reactors and hyperdrives for your scientists to study, their corpses give up futuristic weapons, and if you can capture any live ones, you can interrogate them for info. It's all about piecing together why they're here and how to stop them.
One of the coolest things about Xenonauts is how open the developers made the game files. You can tweak pretty much anything – the number of aliens on a ship, their accuracy, your funding, how strong UFOs are, your soldiers' skills, your base facility sizes, even how fast your interceptors fly. This adds a ton of replayability, letting you make the game as easy or as brutally hard as you want.
My advice? Stick to the original game files for your first playthrough. Get a feel for how it all works. The devs and the community have playtested it to death, so the vanilla experience is pretty solid. Once you've got that down, though, feel free to dive in and customize it to your heart's content!
GEOSCAPE
Understand the Xenonauts Geoscape, where you make strategic decisions across the global map, base management, and air combat.
The Geoscape is the strategic arena in Xenonauts, where you make all your critical decisions. This is separate from the battlescape (where your troops engage aliens in turn-based tactical combat). The Geoscape is further divided into three distinct sections: the global map, base management, and air combat.
- Familiarize yourself with all three sections of the Geoscape to effectively manage your global strategy.
- Understand the difference between the Geoscape and the battlescape to know when you are in a strategic or tactical phase.
Global Map
Learn optimal Xenonauts base placement for maximum UFO detection, understand regional funding mechanics, and how to respond to alien threats on the global map.
The Global Map in Xenonauts is your primary interface for managing your anti-alien war effort. It dictates where you place your bases, how you respond to alien incursions, and how you manage your funding. Understanding its mechanics is crucial for success.
Base Placement:
- Starting Base: The consensus is to place your first base in the Middle East due to high UFO activity. This allows for early interception and provides good coverage of Europe, Africa, and parts of Asia with a single base and its radar stations (800, 1000, 1200 km radius).
- Three-Base Strategy: A common approach is to establish three bases: one in the Middle East, a second in Central America, and a third near Taiwan or the Philippines. This covers approximately 80% of the Earth's surface cost-efficiently.
- Full Coverage Strategy: Some players opt for four to six bases to cover the entire globe. This requires a more aggressive approach, assaulting nearly every downed UFO to afford the high maintenance costs, increasing the
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