Game Guide

Learn to Play Age of Space - Complete beginner's guide to Age of Space. Learn how to build, attack, spy, colonize, and dominate the galaxy!

Economy & Growth

A strong economy is the foundation of every successful empire. This chapter teaches you how to upgrade mines efficiently, balance your resource production, and build the infrastructure that accelerates everything else. Every minute you waste on a bad upgrade order is a minute your rivals pull ahead.

Mine Upgrade Priority

The most important decision you make in early game is which mine to upgrade next. The answer is simple: always upgrade the mine that gives you the best return on investment (ROI). In practice, this means the mine whose next level costs the least relative to the production it adds.

In the early game, the general upgrade priority follows a ratio of roughly 10:9:7 for Titanium:Graphene:Deuterium mine levels. This means if your Titanium Mine is level 10, your Graphene Mine should be around level 9, and your Deuterium Synthesizer around level 7.

Why this ratio? Titanium is needed in the largest quantities for almost every construction. Graphene is the second most common cost component and produces less per level. Deuterium is the scarcest but also needed in smaller amounts for buildings — though it becomes critical for fleet fuel and research later.

Important!
Between every mine upgrade, check your energy balance. If upgrading a mine would push you into negative energy, upgrade your Solar Plant first. Negative energy penalizes ALL mines proportionally.

Understanding Cost Escalation

Building costs in Age of Space grow exponentially. This means each level costs significantly more than the previous one. The formula is:

Cost = Base_Cost x Factor^Level
Base_Cost is the cost of level 1. Factor is typically 1.5 for mines and 2.0 for some other buildings. Level is the level you are building to.
Example: Titanium Mine base cost is 60 Titanium, 15 Graphene with factor 1.5. Level 5 costs: 60 x 1.5^5 = 455 Titanium, 15 x 1.5^5 = 114 Graphene. Level 15 costs: 60 x 1.5^15 = 26,220 Titanium, 15 x 1.5^15 = 6,555 Graphene.

Notice how level 15 costs almost 60 times more than level 5. This exponential growth is why upgrade decisions matter so much — a poorly chosen upgrade wastes thousands of resources and hours of production time.

The key insight is that while costs grow exponentially, production also grows exponentially (but more slowly). This creates a natural inflection point where upgrading a specific mine stops being the best use of your resources.

Level Titanium Cost Graphene Cost Production/hr ROI (hours)
5 455 114 207/h ~3h
10 3,454 863 778/h ~6h
15 26,220 6,555 2,509/h ~13h
20 199,066 49,766 7,864/h ~32h
25 1,511,076 377,769 24,245/h ~78h

Balancing Your Resource Production

An imbalanced economy is an inefficient economy. If your Titanium Mine is level 20 but your Graphene Mine is only level 10, you will constantly be waiting for Graphene to accumulate while Titanium overflows your storage.

The 10:9:7 ratio works because most buildings and technologies require Titanium and Graphene in similar proportions, with Deuterium needed less frequently for construction but essential for fleet operations.

If you find yourself always short on one resource, that is a signal to prioritize that mine. The ideal state is having all three resources accumulate at roughly the rate you spend them.

On planets with extreme temperatures, you may want to adjust: hot planets produce less Deuterium (consider higher Synthesizer levels), while cold planets produce more Deuterium but less solar energy.

Robot Factory: Your Growth Accelerator

The Robot Factory is one of the most underrated buildings in the game. It reduces the construction time of ALL buildings on the planet where it is built. This makes every subsequent upgrade faster.

Build your Robot Factory to level 3-5 as early as possible. The time savings compound over dozens of upgrades. A Robot Factory level 5 cuts your build times significantly compared to level 0.

The build time formula incorporates the Robot Factory level:

Build Time (hours) = (Titanium_Cost + Graphene_Cost) / (2500 x (1 + Robot_Factory_Level) x Universe_Speed)
Each Robot Factory level adds 1 to the divisor, meaning level 5 makes construction 6x faster than having no Robot Factory at all.
Example: A building costing 10,000 Titanium + 5,000 Graphene at universe speed 1x: Without Robot Factory = 6 hours. With Robot Factory level 5 = 1 hour.

Nanite Factory: The Late-Game Powerhouse

The Nanite Factory is the most powerful construction accelerator in the game. Each level halves the build time of all buildings, ships, and defenses on that planet. Level 1 cuts times in half, level 2 cuts them to a quarter, and so on.

Requirement: Robot Factory Level 10 Computer Tech Level 10

However, the Nanite Factory is extremely expensive and has steep requirements. It is a late-game building that you should not rush. Focus on mines and economy first.

Once you can afford it, even Nanite Factory level 1 is a game-changer. Building fleets that took hours will take minutes. Defenses that took a day will finish in hours.

When to Build Storage

A common mistake is building storage buildings too early. Storage only matters when your production would overflow your current capacity. Before that point, storage upgrades are a waste of time and resources.

Check your storage vs. production rate. If your storage will not fill up before you spend the resources on your next upgrade, you do not need more storage yet.

The main exception is when you are saving for an expensive purchase (a high-level building, Colony Ship, or Death Star). In that case, upgrade storage before you start saving so no production is wasted during the accumulation period.

Strategy Tip
Rule of thumb: Upgrade storage only when your storage capacity is less than 12 hours of production at your current rate.

Economy Tips

Never Leave Queues Idle
Always have something building, researching, and producing in your Shipyard. Every second your queues are idle is wasted potential. Before going offline, start your longest build so it finishes while you sleep.
Prioritize Robot Factory
Getting Robot Factory to level 5 early pays for itself many times over. The time savings across dozens of mine upgrades and building constructions are enormous. Think of it as an investment in speed.
Do Not Overbuild Storage
Storage buildings produce nothing. They only prevent overflow. Build them reactively when you actually need more capacity, not preemptively. Every storage level you build is time not spent upgrading a mine.
Invest in Deuterium Early
Many beginners neglect the Deuterium Synthesizer because it produces less per level. But Deuterium becomes critical for research, fleet fuel, and advanced buildings. An under-leveled Synthesizer will bottleneck your mid-game progress.
This value may vary depending on the universe settings.

Return on Investment (ROI) measures how many hours of production it takes for a mine upgrade to "pay for itself." The formula is:

ROI (hours) = Total_Cost_In_Resources / Additional_Production_Per_Hour
Lower ROI = better investment. When comparing two possible upgrades, always choose the one with the lower ROI (it pays for itself faster).

At some point, typically around level 20-25 for Titanium and Graphene mines, the ROI becomes so long that it makes more sense to colonize a new planet and build fresh mines there. This is the economic inflection point.

Energy breakpoint analysis: For each mine level, calculate how much energy it needs. If upgrading the mine requires a Solar Plant upgrade too, add that cost to the mine's ROI calculation. Sometimes a mine upgrade looks cheap but the required energy infrastructure makes it expensive.

Advanced players use spreadsheets to track exact ROI per mine level across all their planets, always upgrading the single mine with the best ROI across their entire empire.

Mine Level Upgrade Cost Added Production/hr ROI (hours) Verdict
5 ~570 +40/h ~14h Excellent
10 ~4,300 +100/h ~43h Good
15 ~33,000 +250/h ~132h Decent
20 ~249,000 +600/h ~415h Slow
25 ~1,889,000 +1,400/h ~1,350h Consider new colony

Frequently Asked Questions

Always the mine with the best ROI (return on investment). In early game, Titanium Mine is usually first because it is needed most. Follow the 10:9:7 ratio as a general guideline. Between mine upgrades, always check if you need a Solar Plant level first.

As early as possible — ideally to level 3-5 before your mines reach level 10. The time savings compound over every subsequent build. The Robot Factory is one of the highest-ROI investments in early game.

Yes, but only when you can comfortably afford it. Nanite Factory level 1 requires Robot Factory level 10 and Computer Tech level 10, plus massive resources. Do not rush it at the expense of your economy. Once built, it halves all build times on that planet.

Partially. Cold planets (positions 13-15) naturally produce more Deuterium, so they can be prioritized as "Deuterium farms" with higher Synthesizer levels. Hot planets (positions 1-3) produce more solar energy, which helps power higher mine levels. However, every planet still needs a balanced economy for local construction.

AgeOfSpace