Several exact values below come from player-made Steam guides rather than current official patch documentation. Treat the strategy as evidence-led guidance, but confirm live card text and costs in your build.
Fast answer
The answer before the background
For most runs, farm gold in three stages. First, use cheap early economy cards and redraws while their return exceeds the redraw price. Next, transition into Mining, Farm, or another repeatable income engine before redraws become expensive. Finally, protect the treasury and spend around wave timing instead of emptying it on every card. Merchant is the best verified specialist for large gold reserves because its ability scales with cards and leader level. Farm plus Granary is the clearest repeatable non-Merchant loop. Ratropolis does not have a verified separate diamond, gem, or crystal currency; those searches usually refer to another game or to Steam account items.
Currency basics
What counts as money in Ratropolis?
Gold is the central in-run currency. You spend it on cards from the merchant, redraws, buildings, units, and skills, so a run with strong combat but no income usually collapses in the later waves. The official store description confirms that Ratropolis is built around economy, building, military, and skill cards, while player guides consistently identify money as the resource that connects all four systems.
Ratizens are not currency, but they function as a second economic limit. Many military units consume ratizens when deployed, so gold alone cannot support an army if your population is too small. Food and labor are also production constraints rather than separate money types: they determine whether your city can keep operating and whether buildings can generate value quickly enough.
I could not verify diamonds, gems, or crystals as currencies in Ratropolis. The official Steam page and reviewed patch notes describe cards, gold, ratizens, buildings, and related systems, not a premium currency or crystal mine. Do not follow a generic diamond or gem farming method unless the game itself shows that resource in your version.
- Gold: the main spendable currency during a run.
- Ratizens: population used to deploy many units and operate parts of the economy.
- Food, labor, buildings, and deck space: supporting resources that limit how fast gold can be produced.
- Diamonds, gems, and crystals: not verified as Ratropolis currencies.
| Resource | What it does | Best farming principle |
|---|---|---|
| Gold | Pays for cards, redraws, buildings, units, and skills. | Build a loop that earns more than your recurring costs. |
| Ratizens | Supports deployment and some production choices. | Add population before expanding into expensive military plans. |
| Food and labor | Support city operation and production timing. | Avoid overbuilding economy that cannot be worked or sustained. |
| Cards and deck space | Determine how often your income engine appears. | Remove weak cards when possible and keep the deck focused. |
In guides and player discussions, gold, money, and coins can describe the same practical resource. Steam Gems are a separate Steam inventory feature and are not an in-game Ratropolis currency.
Early route
The reliable opening gold loop
Start by making your opening economy pay for itself before buying every attractive card. A common early route is to play the cheap income cards already in hand, redraw when the expected return still exceeds the redraw price, and repeat until the cost of cycling becomes too high. One older Steam guide specifically demonstrates this with Cheese and recommends transitioning when redraws overtake the value of the hand.
Do not copy the exact redraw threshold as a universal rule. The return depends on your leader, deck size, card upgrades, and how quickly you can cycle. The useful principle is stable: compare the next redraw cost with the gold you can reasonably generate before the next defensive deadline.
Use the early loop to reach the first merchant and replace temporary economy with cards that scale. Remove weak starter cards when you have a safe opportunity, but do not strip the deck so aggressively that you lose the population, food, or defense needed to survive the next wave.
- Play low-cost income cards before spending on optional combat cards.
- Redraw only while the hand produces more value than the next redraw costs.
- Use the early surplus to buy a scaling engine, not just more one-off income.
- Keep enough gold in reserve for emergency units, repairs, or a critical redraw.
| Stage | Priority | Common mistake |
|---|---|---|
| Opening | Exploit cheap cards and controlled redraws. | Paying for redraws after their return has fallen below cost. |
| Transition | Buy or build a repeatable engine. | Keeping a starter economy long after it stops scaling. |
| Midgame | Fund defense and continue income together. | Spending the entire treasury before a wave. |
| Late game | Protect the reserve and convert it into damage. | Treating gold as spare money instead of combat power. |
The Cheese route is documented in a player guide, but it is old and was later criticized as faction-dependent. Treat it as an opening concept, not a mandatory build.
Repeatable loops
Best gold farms and when to use them
Merchant is the clearest specialist for a large treasury. A community guide reports that the Merchant ability adds gold based on the number of cards and leader level, making card draw and a large bank especially valuable. The practical loop is to raise leader level, draw or retain enough cards to maximize the ability, activate it before major purchases, and avoid draining the treasury immediately afterward.
Mining is a slower but compounding route. The documented strategy is to add multiple Mining cards so that each cycle improves the value of the others. This works best with a small deck because you reach the Mining cards more often. It is a long-horizon plan, so do not rely on it as your only defense during an imminent wave.
Farm plus Granary is the strongest clearly documented repeatable building loop. The player guide describes Farm as timed income and Granary as a multiplier, with upgrades and additional Granaries increasing the total. This route needs space, labor, and enough time for the production cycle, so it is better when your walls are stable than when you are already losing ground.
Investment and similar burst cards can multiply a reserve, but they create a dangerous low-gold interval. Use them only when another income source will pay for the delay and when the next wave does not require immediate spending.
- Best specialist route: Merchant ability plus card draw and treasury discipline.
- Best compounding card route: multiple Mining cards in a thin deck.
- Best repeatable building route: Farm supported by Granary and enough production time.
- Best rule for all routes: income must arrive before the next mandatory defense expense.
| Route | Strength | Weakness | Use it when |
|---|---|---|---|
| Merchant ability | Fastest high-end scaling. | Needs timing, cards, and a safe reserve. | You can delay spending until after the ability. |
| Mining | Compounds as more copies cycle. | Slow without repeated deck cycling. | Your deck is small and your defense is stable. |
| Farm plus Granary | Repeatable timed income without relying only on cards. | Needs space, labor, and setup time. | You control the map and can wait for production. |
| Burst investment | Can turn a reserve into a large payout. | Leaves you poor during its delay. | Another income source covers the waiting period. |
For a general answer, Merchant is the best high-ceiling gold farmer. For a more repeatable city engine, Farm plus Granary is easier to understand and less dependent on a specific leader, but it requires setup and time.
Run management
How to turn income into progression
A resource loop only matters if it improves your survival. Before each wave, keep enough gold for the cards and units that actually answer the enemies you expect. A large treasury can be a defensive resource: some Merchant strategies use current gold to power Golden Tower damage, so spending down to zero can reduce both your options and your damage output.
Build economy in layers rather than all at once. One early income card or building can stabilize a run; several economy pieces without walls, ratizens, or military cards can make the next wave fatal. As the run advances, replace temporary starters with upgraded or compounding tools, and remove cards that delay your key draw cycle.
Use map space carefully. Farm and Granary need room, while military buildings and walls need room too. A farming route that blocks defensive placement is not profitable. If you cannot defend the next wave, choose immediate gold or combat value over a long-term production building.
- Spend after income triggers when possible, especially with Merchant.
- Keep a reserve for redraws and emergency deployment.
- Do not sacrifice the next wave’s defense for a second or third economy building.
- Thin the deck when doing so does not remove essential population or survival tools.
- Check current in-game descriptions because community guides may use older values.
| Goal | Action | Why it works |
|---|---|---|
| More cards | Use controlled redraws and card-acquisition effects. | More cycling improves access to economy and defense. |
| More gold per cycle | Upgrade or multiply an existing engine. | Scaling one engine is usually better than adding random income. |
| Safer progression | Convert surplus into walls, units, and upgrades before the wave. | Gold has no value if the city falls before the next payout. |
| Longer runs | Keep the deck focused and maintain a reserve. | Consistency matters more than a single large payout. |
The official announcement archive shows balance changes to gold-producing cards and fixes affecting gold-related systems. If a card’s number differs from an older guide, trust the live card description in your build.
FAQ
Common questions
How do you get coins in Ratropolis?
Use gold-producing cards, buildings, leader abilities, events, and card effects. Early on, controlled redraws and cheap economy cards are practical; later, transition into Merchant scaling, Mining, Farm, or another repeatable engine.
What is the Ratropolis best gold farm?
Merchant has the highest documented gold ceiling because its ability scales with cards and leader level. Farm supported by Granary is the clearest repeatable building farm and can be used without relying entirely on Merchant.
How do you get diamonds in Ratropolis?
There is no verified in-game diamond system in the official Ratropolis materials reviewed. If you mean Steam Gems, those belong to Steam’s inventory system, not to the game’s run economy.
How do you get gems or crystals in Ratropolis?
I could not verify gems or crystals as Ratropolis resources. Those terms may come from another rat-themed game, a different platform listing, or Steam terminology. Check the resource icons and glossary in your installed version before following a farming guide.
Should I keep using Cheese for the whole run?
Usually no. Cheese can support an opening redraw loop, but its value falls as redraw costs rise and stronger scaling options appear. Transition when the next redraw costs more than the hand can reasonably return, while keeping enough economy to survive the transition.
Is Mining better than Farm?
Neither is universally better. Mining rewards a thin deck and repeated cycling, while Farm needs space, labor, and time but can be multiplied by Granary. Choose Mining for card-cycle scaling and Farm when your settlement is stable enough to wait for timed production.
Sources
What we checked
Official listings establish current availability and product facts. Community pages are used for mechanics and build history, then labeled separately.
- OfficialRatropolis on Steam, official store page
- OfficialRatropolis official Steam announcements and patch archive
- CommunityHow to scale up your Ratropolis, Steam community guide
- CommunityBeginners Guide: How to Win With All Leaders, Steam community guide
- CommunityA simple guide to the starting economy, Steam community guide