Factorio Space Age Planet Conquest Strategy Guide

Once you start exploring other planets in Space Age, your choice of destination dramatically reshapes your mid-game factory growth. This guide helps players transitioning from Nauvis decide between early targets by anchoring on a Vulcanus-first approach, then branching into Fulgora or Gleba, before tackling Aquilo late-game. The goal isn't to declare one "correct" order, but to make visible where you gain stability and where complexity increases.

From my own play experience, hitting Vulcanus first and unlocking the furnace and tier-2 mining drill completely changes iron and copper plate production. The rate of plate growth becomes visibly different, ore depletion slows markedly, and rocket supply runs become manageable. That shift from "we're always short" to "plates are actually piling up" is a powerful signal.

This guide also addresses the subtler logistics bottlenecks in interplanetary transport—supplier designation and landing pad occupancy—before they become problems. Rather than forcing a single "correct" sequence, the intent is to map where each choice gains you stability and where it adds friction.

How to Think About Planet Sequence Strategy

The order matters less because "which is easiest" than because "what do you want to unlock first" shapes your decision cleanly. Space Age's mid-game difficulty isn't just planetary hostility; it's the logistics load after arrival that heavily influences your options. I usually separate the decision into three axes: objective, tolerance for that planet's constraints, and turnaround cost with Nauvis.

If your objective is production efficiency baseline lift, the path to Vulcanus first becomes almost obvious. Vulcanus's unlocks directly strengthen your production tier. The advanced furnace offers +50% base production speed, and the tier-2 mining drill cuts resource cost per ore in half. The throughput difference is stark—same input yields more output, ore patches last longer, and upstream pressure eases. There's also a documented 2.25× conversion efficiency from ore to plate materials, making it practical to process ore into higher-value forms for interplanetary shipping. The moment your design goal shifts from "unlock research options" to "improve factory throughput," other first planets suddenly look weak. That "clarity of purpose" feeling is a strong signal when sequencing.

Conversely, if your goal is specialized research or early exposure to unique planetary mechanics, your second choice branches. Fulgora, based on available data, centers on the electromagnetic plant—another +50% base production speed—which appeals to those prioritizing electrical and electronics lanes. The natural flow is "Vulcanus fattens materials, then Fulgora accelerates electronics," a progression that feels organic. This is the "Vulcanus first, then Fulgora" pairing that becomes easy to reason about.

Gleba presents a different decision logic. It's not strong or weak in isolation—its design philosophy transforms how you build lines altogether. Fresh item decay and spoilage shift your design away from "buffer excess for stability" toward "keep items flowing fast." Without that mindset shift, lines feel sluggish. Some experienced players recommend Gleba as third because the cognitive overhead decreases after you've already hardened your production baseline. I find that reasoning compelling—you have more mental bandwidth for constraint juggling once raw throughput isn't a bottleneck. That said, if you enjoy designing short-lived lines around spoilage, Gleba as second has merit.

Some player reports indicate robot work efficiency drops significantly on Aquilo (experience-based observation; primary source verification needed). If true, purely robot-centric logistics design underperforms, and shifting toward belts and ground transport becomes the stable path.

In summary: Vulcanus first is the beginner-friendly foundation. Second is Fulgora or Gleba depending on what you want to tackle next. Gleba if you enjoy special mechanics; Fulgora if you want steady scaling. Aquilo stays late. This order works because it's not just difficulty ranking—Vulcanus fattens resource flow, the next planet adds specialization, and Aquilo's final-stage tech makes sense only after you have the logistics backbone to support it.

The often-overlooked logistics finesse also matters in Space Age. Once you cross into other worlds, factory design doesn't resolve within a single planet's ratios. What you export from Nauvis, what you produce locally, and what you return with all feed directly into throughput. The space network details in the wiki highlight sender-designation gotchas and landing pad contention problems. Vulcanus first is stable because its unlocks directly cut interplanetary logistics cost. Fatter plate supply means downstream planets bootstrap faster, and you can send higher-value-density goods instead of raw ore slurry.

Reference: Check official Factoriopedia (https://wiki.factorio.com/) or the relevant mod distribution pages for primary information. Japanese wiki summaries are convenient, but mechanics and numbers—especially behavior specifics—warrant verification against primary sources.

Prerequisites: Planet Route Unlocks and Nauvis Prep Work

Research and Star Map Visibility

Before leaving Nauvis, clarify "when and where can I actually go?" Space Age progression is locked behind planetary discovery research. As you complete research like "Discover Vulcanus," the map reveals those directions, and accessible routes appear as white lines. This visibility is surprisingly important for sequencing.

It took me a while to shift from "research done = anywhere is reachable" to actually reading the white lines on the star map. The latter shows "routes my current factory can realistically sustain," making planning far cleaner. Research trees alone are harder to visualize as prerequisites; the map gives you a single clear signal.

RISE Lunar and Planetary Exploration Project ｜ National Astronomical Observatory of Japan (NAOJ)

The RISE project explores the evolution of solar system bodies through orbital probes.

www.nao.ac.jp

Nauvis Production and Defense Baseline

Early expeditions fail most often not because the destination is hard, but because Nauvis's foundation is too thin when you depart. I make sure at least iron plate, copper plate, steel, and circuit boards are in self-replenishing production before I leave. If those dry up, every shortage abroad means a detour back home, and momentum collapses.

These four are the spine of almost every startup supply list. Whether you're adding turrets, expanding belts, or building power, narrow material or circuit flow will jam everything. Vulcanus's long-term edge comes later; what carries you there is Nauvis's baseline quantity production.

Defense follows the same logic: turrets, ammo, and walls at minimum. When your attention is elsewhere, Nauvis defense on a knife's edge means constant interruptions. I aim for "stable without active babysitting" at this stage—outer perimeter walls, turrets at pressure points, ammo supply that doesn't break. That baseline shift is significant.

Uranium planning for Nauvis also deserves attention. Uranium isn't an immediate campaign decider, but it pays off in energy and weaponry mid-to-late game. As documented in "Space Age Walkthrough—Nauvis Section," it's worth seeing ore locations and logistics linkage before urgency forces your hand. You don't need to rush extraction, just visibility; that alone speeds later expansion.

Space Age Walkthrough—Nauvis Section

Finally cleared Space Age. Here are the strategy notes. Starting with "Nauvis"—the first planet—which hasn't changed much from classic Factorio. Build factory from start to rocket launch as usual…

welovefactorio.com

Expedition Starter Pack

Don't try to be self-sufficient immediately. Instead, ship supplies to cover the first 30–60 minutes on-site: enough to establish power, defend, and bootstrap production without massive construction. A rocket inventory optimized for "arrive, start working, don't die" beats trying to land a mini-megabase.

What made my first expeditions click was pre-packing 3 stacks of walls, 10 stacks of ammo, solar and battery infrastructure, and turret kits. That alone let me build defenses and power first, then place miners and assemblers—a huge stability jump. Pre-assembled defense and power frees mental bandwidth for production planning.

Resupply emphasis matters too. Prioritize survival functions—minimum power, cargo handling, and initial raw materials. This mission becomes self-sustaining much faster. You can refine logistics later; the first trip's job is to make the site walk on its own.

Again, this loops back to Nauvis production. Stable plate and board output means starter pack restocking is smooth, and the rocket refuels for the next trip without hiccups. Skimpy Nauvis supply makes each expedition feel like a one-off event, and you never build proper interplanetary infrastructure. Prep work now becomes the foundation for everything after.

Recommended Sequence: Vulcanus → Fulgora/Gleba → Aquilo

High-Level Route Overview

Recommended order: Vulcanus → Fulgora or Gleba → Aquilo. I rank this not by research count, but by how fast you thicken your factory's overall output. By that yardstick, Vulcanus first is strong.

The reason is straightforward: Vulcanus unlocks hit your production tier directly. Tier-2 ore deposit usage improves, and furnace efficiency jumps by a full tier. That pairing is immediately bottleneck-relieving. Numerically, ore-to-plate conversion hits 2.25×, meaning downstream capacity depends far less on raw input. This isn't a convenience feature—it's foundational leverage for all downstream planets. Opening move value is high for exactly this reason.

Second is Fulgora or Gleba. Neither is universally "better"—it depends on whether you want to stabilize further (Fulgora) or explore special mechanics (Gleba). Either way, Vulcanus-fattened substrate makes entry much less painful.

Aquilo rounds out the sequence. Aquilo carries multiple hard constraints and serves as a dependency for endgame progression. It's not a "strike while you can" destination—it's a capstone planet you reach after sufficient preparation. Early planets build capacity; Aquilo demands spending it.

Planetary Development (Requires Space Age) - Factorio JP Wiki

Factorio JP Wiki

wikiwiki.jp

Second-Planet Branch Point

Whether Fulgora or Gleba goes second depends on what benefits fit your play style and constraints you tolerate, not which is easier. In my runs, picking Fulgora second stabilized module unlocks—research ticked steadily once electrical production got the +50% boost. Plates thick, circuits flowing, and factory naturally expanded.

Fulgora-as-second works because electromagnetic plant's +50% base production is instantly legible and strong. Vulcanus improves ore-to-plate; Fulgora improves plate-to-advanced-goods. Clean progression from "make strong" to "make specialized."

Gleba, by contrast, is easier to defer because production volume doesn't solve its constraints alone. Spoilage decay and freshness timers require design rethinking. While satisfying once mastered, raw throughput improvement isn't the fast-acting medicine Vulcanus or Fulgora offer. Early, it reads as management overhead rather than power gain.

So the split is: Choose Fulgora for steady, measurable gains; Gleba for special mechanics and puzzle-building. But whichever you pick, Vulcanus-first hardening is robust. Once resource efficiency is solid, the second choice becomes much smaller.

Why Aquilo is Late-Game

Aquilo as a late choice is clearest when you grasp its constraint weight. Heating, land scarcity, and logistics narrowness hit simultaneously. You can't raw-power-through with simple production scale. Entering under-prepared invites frustration; arriving hardened makes it manageable.

Some players report robot work efficiency drops sharply on Aquilo (experience-based; formal verification pending). If your design relies on robots, that's a real sting. Shifting toward belts and manual logistics stabilizes performance.

Critically, Aquilo unlocks and end-game progression are tightly coupled. Railgun acquisition, necessary for stellar rim breakthroughs, flows through Aquilo. You're not just reaching a new ore zone—you're passing through a gating mechanism for final-stage content. Treating Aquilo as "arrive and bootstrap" misses that it's **a prerequisite you must sustain, not just visit**.

This context makes late sequencing sensible. Vulcanus and Fulgora/Gleba build reserves. By the time you hit Aquilo, you have margin to absorb its weight. The order creates positive momentum rather than a brick wall.

Planet-by-Planet Comparison: Vulcanus, Fulgora, Gleba, Aquilo

Vulcanus: Production Efficiency Powerhouse

Vulcanus as first is the most straightforward pick. It tops the four-planet set at raising overall factory durability. Measuring along resource muscle, unlocked techs, logistics load, build constraints, and beginner accessibility—Vulcanus balances well, especially on resource and tech axes.

Resourcewise, it directly fattens plate and intermediate supply. It's not "unlock one thing locally and move on"—it's "return home and reshape all production lines." Comparing runs, Vulcanus-first taught me to estimate downstream supply far more accurately. Once you've built a tier-1 baseline and chosen targets carefully, precision about what's made locally versus shipped rises sharply; Vulcanus does more to enable clean supply planning than any other option.

Unlocks also read clearly. Furnace and tier-2 drill carry benefits factory-wide. Unlike Gleba's spoilage rules or Aquilo's extreme constraints, they don't demand a redesign of production philosophy—just output improvement. Beginners feel the value immediately.

Logistics load is manageable. Vulcanus first means downstream planets receive thick plate and material streams, transforming later expeditions from "build from zero" to "land, offload supplies, expand." This is why the cascade works—later planets' difficulty drops because you have the margin to supply them properly.

Fulgora: Electromagnetic Plant and Circuit Acceleration

Fulgora slots cleanly as a second choice. While hand details are thinner than Vulcanus or Aquilo data, electromagnetic plant—another +50% base production speed—is the central draw. For those chasing circuit and module scaling, Fulgora's appeal is real.

Resource gains lean toward electronics and power systems. If Vulcanus fattens iron and copper, Fulgora pushes the next tier higher. My experience: thick-plate Vulcanus into Fulgora is when "boards are finally keeping up." Substrate thin, and Fulgora's strength doesn't sing. Substrate fat, and efficiency gains are visible.

Tech unlocks center on electromagnetic scaling—less "special rule" and more "amp up electrical production." Module strength particularly benefits. Build constraints are modest. Beginner accessibility is higher than Gleba or Aquilo.

Logistics load is mild. Unlike Gleba's spoilage baggage or Aquilo's environmental iron grip, bringing goods to Fulgora is straightforward. The fulgora-strategy piece (in prep) will dive deeper, but the immediate takeaway is "Fulgora = next rung up the ladder after Vulcanus."

Gleba: Fresh Items and Spoilage-Centric Design

Gleba appeals differently. Across the four, it's the most taste-dependent. Resources and output potential are interesting, but success hinges on embracing spoilage and freshness as design constraints, not obstacles.

Resource potential is genuine. The draw of cyclical item recovery and bespoke production loops has real charm. But realizing that requires mental distance from "build big, buffer excess, stay stable"—the Nauvis operating model. Spoilage flips urgency: move fast and keep lines short, or lose product. Early players tuned to Nauvis stability often struggle here.

This constraint gap explains why Gleba lands third in beginner sequences. You're not weak—you're different. Fattening the baseline elsewhere gives you space to absorb Gleba's cognitive load. Conversely, Gleba-early appeals strongly to players who relish constraint puzzles and short-cycle design. Recommending Gleba as third isn't weakness judgment; it's acknowledging high design demand.

Aquilo: Extreme Cold and Logistics Dependency

Aquilo is late-game near-certain. Resource appeal is real; logistics and build constraints are far more formidable.

Resources unlock end-stage techs—fusion, advanced processing. Value exists, but you need pre-built margin to capture it. Unlike Vulcanus's "immediately easier," Aquilo demands "you're already strong enough," then asks "how stable are you really?"

Logistics weight is serious. Reports of robot inefficiency loom large; belt-primary design became my norm. Narrow footprint, heating-inclusive building, external supply dependency—all layers stack. Late-game planets typically favor careful pre-planning; Aquilo requires it.

Beginner accessibility is low. The puzzle isn't "build production"—it's "fit production where it goes and keep it fed." That's a different class of problem.

Critically, Aquilo gates end-game progression. Stellar rim advancement depends on Aquilo unlocks like the railgun. It's not a destination—it's a prerequisite for the endgame gauntlet. Sequencing it late makes sense because you need margin, not just because it's hard.

Why Vulcanus First is Stable

Tier-2 Mining and Deposit Depletion

Why pick Vulcanus first? Start with mining. The tier-2 deposit drill is the anchor. Per the planetary development wiki, it cuts resource consumption per ore in half. Translation: ore patches last roughly twice as long.

This matters because mid-game bottleneck ≠ ore shortage—it's ore depletion frequency. Early game, you place miners on patches and they run. Mid-game, patches peter out and you relocate supply trains, logistics expand, and friction mounts. Tier-2 drill cuts those relocations in half. Feels like "we can finally breathe."

The design elegance is key. Early planets should thicken your foundation broadly. Tier-2 drill lifts all ore production, not one specialty. Iron, copper, stone, coal—all last longer. Endgame leverage is excellent.

Advanced Furnace: +50% Base Speed and 2.25× Conversion

But drilling alone doesn't solve the puzzle. Furnace upgrade is where everything clicks. +50% base production ripples everywhere. Plate output jumps, and lag vanishes.

The real number, though: ore-to-plate conversion hits 2.25× efficiency. Suddenly, 1000 ore = 2250-equivalent plate. Feedstock constraints flip. You're no longer squeezing output from tight input—you're managing excess.

That sensation—watching plate inventory climb while ore input stays steady—is the moment Vulcanus worth shines. Fabric of bottlenecks shift from "not enough" to "where do I put this?" That's the foundation shift you need.

Interplanetary Shipping Lightens

Vulcanus leverage extends beyond home. Ore-to-plate density means downstream planets need less raw ore shipped. Higher-value intermediates travel farther on the same cargo capacity.

This unlocks cleaner design downstream. Instead of "shovel raw ore everywhere," you craft and send value-dense goods. Downstream bases shrink, boot faster, and stabilize quicker. Fulgora and Gleba setup become much less painful because you're supplying them with pre-processed materials, not asking them to build from scraps.

That cascading ease is why Vulcanus-first is stable—it's not just stronger at Vulcanus. It's a force-multiplier for every downstream planet. Later targets feel like upgrades, not survival slogs.

Choosing Gleba or Fulgora Second: When Each Clicks

Gleba-Second: Design-Focused Players

Gleba as second works if you embrace spoilage as a design puzzle, not a chore. Rotation-based farming, freshness locks, and short-cycle discipline appeal to constraint enthusiasts. "How do I thread items through without decay?" beats "how do I scale assembly?" as a puzzle.

Gleba struggles if you want visible output improvement. Vulcanus fattens everything. Fulgora sharpens electronics. Gleba asks you to rethink workflows. That's slower-feeling payoff for comfort-zone leavers.

Fulgora-Second: Steady-Scaling Players

Fulgora clicks if you want measurable gains without reinvention. Circuit and module production lifting is tangible. Power scaling feels good. You're not relearning production—you're amplifying.

The Vulcanus→Fulgora→Aquilo flow is well-paved: stronger foundation → stronger electronics → enough margin for Aquilo's weight. Running this sequence felt natural.

Decision Checklist

1. Spoilage tolerance: Enjoy short-cycle constraint design? Gleba. Find it tedious? Fulgora.
2. Output need: Want circuit/module relief early? Fulgora. Happy to refactor for freshness? Gleba.
3. Narrative fit: Either is fine—just pick the cognitive load you prefer carrying next.

Whichever you pick, Vulcanus-first foundation stays valuable. That baseline decision doesn't shift; only the specialty choice branches.

Gleba-centric strategy is explored in the (in-prep) gleba-strategy article. Fulgora details appear in fulgora-strategy. For now, the principle holds: Vulcanus first, then match the second planet to your tolerance and goals.

Common Pitfalls: Interplanetary Logistics Oversizing

Supplier Designation Complexity Trap

Interplanetary networks require per-item supplier specification. Land thinking "plates auto-flow where needed" and you hit a wall. Each item must be assigned a source planet. Complexity spirals.

Worst case: same item from multiple supplier planets. Setup becomes "logistics dispatch," not "production." You're babysitting assignments instead of building. I fell into this trap—as soon as I split one resource across two sources, hand maintenance ate more time than building.

The fix: 1 item = 1 source planet. Steel from Vulcanus, circuits from Fulgora. Role-lock minimizes config headaches.

Landing Pad Occupancy Crunch

Second trap: cargo landing pads are finite. High-frequency small shipments clog the pads. Priority goods can't land.

Example: dribbling screws in 10 shipments/minute clogs pads meant for bulk deliveries. Main supply backs up. Production halts despite "having logistics."

The fix: Batch shipments large. Lower frequency, higher payload. Pads clear fast, priority goods land. Stability improves dramatically.

Minimal Logistics Design

Don't gold-plate interplanetary networks early. The stable approach: **only ship items that must come from elsewhere**. Shrink SKU count. Supplier designation simplifies. Pad contention drops.

This principle—less is more in early logistics—applies across Factorio. Minimal working design beats elaborate infrastructure, especially when you're learning routing rules. Add complexity only when the baseline runs stable.

Endgame: Aquilo and the Stellar Rim

Aquilo's Constraint Stack

Aquilo is cold, cramped, and supply-dependent simultaneously. These constraints don't stack addictively—they compound. Your design must succeed on all three axes.

Plant design, normally flexible, becomes rigid. Heating footprints, land scarcity, and inbound dependency drive every placement decision. You can't "just expand"—there's nowhere to expand to. And even if there were, starving the supply line breaks everything.

Some players report dramatic robot inefficiency here (experience-based; formal testing pending). If bots underperform, belt-primary design becomes necessary. That's not weakness—it's acknowledging the planet's constraints and adapting.

This is why late arrival is sensible. Not because Aquilo is hard, but because it punishes preparation gaps harshly. Arrive fat with margin, and you absorb the pain. Arrive lean, and you're stuck in logistics hell.

Railgun Unlock and Stellar Rim Dependency

Aquilo's true role emerges late. It's not just a resource zone—it's a progression lock. Railgun unlocks there; stellar rim advancement hinges on it. You're not "visiting another planet"; you're unlocking endgame content.

This context reframes the sequence. Late Aquilo positioning isn't avoidance—it's gating your readiness correctly. By the time you're strong enough to handle its constraints, you've also built the logistics capacity the stellar rim demands.

In my runs, arriving at Aquilo underequipped felt like ramming into a wall. Arriving over-prepared felt like "finally using all this infrastructure." That feeling is the design intent—you've built something capable, and now you spend it.

Spoiler-Light: Experiential Payoff

Stellar rim arrival is narratively charged. Getting there isn't just another zone unlock—it's a convergence point for everything you've built. Without spoiling specifics, the experience lands harder because Aquilo forced you to earn it.

That payoff is the real reason Aquilo is worth saving. Late sequencing, awkward constraints, logistics demand—that's the price of a satisfying arrival.

Wrap-Up and Next Steps

Start with Vulcanus. Second, pick Fulgora or Gleba based on what appeals. Gleba if you want design puzzles; Fulgora if you want steady gains. Save Aquilo for endgame, once you've built margin to spend.

The common thread: foundation first, specialization second, endgame locked behind readiness. That structure works.

Pre-Departure Checklist

• Nauvis plate/board production self-sustains during absence
• Perimeter defense stands without babysitting
• Rocket fueled and stocked for resupply
• Power and cargo systems ready to operate on arrival

First Expedition Decision and Loadout

Pick your destination based on constraint tolerance, not "what's easiest." Load the tools to survive and bootstrap, not a complete base. Power, defense, searchlights, one small production section. Land, build perimeter, then scale.

Minimal Interplanetary Logistics Trial

For logistics depth, see the (in-prep) interplanetary transport and space platform articles. Meantime, consult official Factoriopedia (https://wiki.factorio.com/) or Space Age mod pages for primary data. Start with "what's the bare minimum I need shipped?" and work backward. Stability first, expansion later.