When to Build
Iron Cave is a high-cost Air Base tech-chain step. Pair its planning with Oil Rig and do not force the $80,000 spend before income can support it.
Timing → Mid Game
EconomyTier A
Complete Stats, Tier & Strategy Guide
Iron Cave Guide
Mines iron ore. Essential for mid-game economy scaling and Air Base tech planning.
Building Stats
- Cost
- 80,000 💰
- Tier
- Tier A
- Category
- Economy
- Civilians
- N/A
- Income
- +36/min
- Upkeep
- 0/min
- ROI Score
- 0.45
- Payback
- 2,222.2 min
Payback Calculator
$
Used only to estimate your post-build income curve. Payback is calculated from building cost and income gain.
- Payback
- 2222 min 14s
- Minute 10 delta
- $-79,640
- After build
- $536/min
Unlock Chain
✅ No prerequisites. Available from the start.
Build Strategy
When to Sell
Avoid selling unless you need space for a stronger tech path. Selling buildings is usually a last resort because resale value is low.
Sell → Only for stronger slots
Placement Tips
Place near Oil Rig, Air Base, Storage Center, Workshop so the related production chain stays easy to manage and upgrade.
Place → Oil Rig
Appears In
Fast Air Base
Air pressure before they have anti-air. Explosive timing attack.
Step 6 · 3:30Critical 🔴
Note: Required for Air Base tech chain.
Current Meta Usage
Best Used With
Other Economy Buildings
Patch History
No confirmed patch changes are recorded for Iron Cave yet. This section will update when verified balance changes are added to the building data.
Frequently Asked Questions
Is Iron Cave worth building in Mini War?
Iron Cave is a high-cost Air Base tech-chain step. Pair its planning with Oil Rig and do not force the $80,000 spend before income can support it.
When should I build Iron Cave in Mini War?
Build Iron Cave when its role fits your mid game plan. It has no confirmed prerequisite chain in the current data.
When should I sell Iron Cave in Mini War?
Avoid selling Iron Cave unless you need the space for a stronger tech path. Resale value is not confirmed in the current data.