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Into The Depths Currency Guide: Gold, Gems & More

更新于 2026-06-10

Into The Depths Currency Guide: Gold, Gems & More

Understanding the Economy of the Depths

In Into The Depths, managing your resources is just as important as managing your colonists. The game features a multi-tiered economy, with common currencies for everyday purchases and rare resources for high-end upgrades. Mastering this system is key to surviving the harsh underground and expanding your settlement. Unlike surface colonies, your wealth is tied directly to the caverns you conquer and the materials you extract.

The primary currencies are Gold, used for most standard purchases and trading; Gems, a rarer currency for special items and permanent upgrades; and Raw Materials like Stone, Wood, and Metal, which are essential for construction and crafting. Understanding the flow between these resources will determine your success. For a broader look at managing your settlement, check out our resource management guide.

How to Earn Gold Efficiently

Gold is the lifeblood of your early and mid-game economy. You'll need it to hire new colonists, buy basic supplies from traders, and repair your structures. Here are the most reliable ways to keep your coffers full.

  • Mining and Smelting: The most direct method. Assign colonists to mine gold ore veins found in the caverns. Smelting the ore into bars increases its value significantly.
  • Trade with Caravans: Surface traders will occasionally visit your settlement. They offer good prices for surplus resources like crafted goods or rare gems.
  • Completing Quests: The game's quest system offers substantial gold rewards, especially for exploring new biomes or defeating cavern bosses. See our quests guide for a full breakdown.
  • Selling Artifacts: Deep within the caves, you'll find ancient artifacts. These can be sold for a large sum of gold, but consider if they might be useful for research first.

Pro Tip: Don't sell all your raw materials immediately. Processed goods (like metal plates or refined gems) often sell for 2-3 times the price of their raw components.

The Value of Gems and Rare Materials

Gems, such as Rubies, Sapphires, and Diamonds, are a premium currency. They are not used for everyday transactions but are critical for unlocking permanent upgrades and powerful equipment. You can find them in specific gem-rich caverns or as rare drops from elite enemies.

Your primary use for gems will be at the Upgrade Altar, where you can enhance your settlement's core abilities. These upgrades persist across playthroughs, making gems a vital resource for long-term progression. You can also trade gems with a special merchant who appears after you reach a certain depth level. For a full list of what to prioritize, read our upgrades guide.

  • Save Gems for Permanent Upgrades: Avoid spending gems on consumables early on. The permanent stat boosts are far more valuable.
  • Prioritize Inventory Size: One of the best early gem purchases increases your colony's carrying capacity, allowing for longer expeditions.
  • Trade Strategically: Only trade gems for items you cannot craft or find yourself, such as unique character blueprints.

Spending Strategies for New Players

Knowing how to spend your currency is a skill in itself. Poor spending habits can lead to a dead end, especially on higher difficulties. Here is a recommended priority list for your gold and gems.

Early Game (First 10 Hours)

  • Gold: Spend on basic tools, food production upgrades, and hiring a second miner. Avoid expensive cosmetic items.
  • Gems: Hoard them. Your first major purchase should be the "Steady Hands" upgrade, which increases mining speed by 15%.

Mid Game (Depth 50+)

  • Gold: Invest in trade post upgrades to get better prices. Buy rare seeds for your farms to ensure a stable food supply.
  • Gems: Unlock the "Deep Pockets" upgrade to increase your inventory. This allows you to bring back more loot from each expedition.

Common Mistake: Don't try to buy your way out of every problem. It's often more efficient to use gold to fund expeditions that will yield more resources, rather than buying the resources directly from traders at a markup.

Advanced Currency Farming Techniques

Once you have a stable settlement, you can begin optimizing your currency income. These advanced techniques will help you amass wealth for the late-game challenges.

  • The Artifact Loop: Focus on reaching a specific deep cavern that is rich in artifacts. Bring a colonist with the "Archaeologist" perk to increase your haul. Sell duplicates and keep unique items for research.
  • Crafting Surplus: Set up a dedicated workshop to mass-produce high-value items like advanced tools or jewelry. The profit margin on crafted goods is much higher than raw ore.
  • Gem Rush: Certain biomes have a higher concentration of gem nodes. Use your map to plan expeditions directly to these areas. Equip your colonists with "Prospector" gear to increase gem find rates. For more on character builds, see our character builds guide.

Common Currency Mistakes to Avoid

Even experienced players can fall into these economic traps. Avoiding them will keep your settlement prosperous.

Over-expansion: Building too many rooms or hiring too many colonists before you have a stable income will drain your gold reserves. Always ensure your income can support your population.

Ignoring Trade Routes: A single trade route can provide a steady stream of gold or rare materials. Neglecting to establish and upgrade these routes is a missed opportunity for passive income.

Selling Key Resources: Some resources are needed for critical research or upgrades. Double-check before selling large quantities of a material you haven't unlocked yet. You might need it later to build a key structure like the Deep Forge.

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