GC4 Homeworld Improvements Table
| Improvement | Production Cost | Base Effects | Level Effects | Adjacency Level Bonuses | Requirements |
|---|---|---|---|---|---|
 |
-200 Manufacturing Cost | +1 Maintenance
+0.15 Approval |
+0.05 Approval | +1 Wealth
+1 Approval |
Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+-0.1 Crime +0.05 Approval |
+-0.05 Crime | +2 Military
+1 Manufacturing |
Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +10 Social | +0.05% Colony Gross Income
+1 Social |
+1 Military
+3 Wealth |
Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.25 Approval |
+0.02% Colony Gross Income | +3 Wealth | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.33% Growth +3 Population Cap |
+0.03% Colony Gross Income | +1 Wealth | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.5 Resistance Bonus |
+0.05 Resistance Bonus | +1 Military | Resistance Center required
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+10 Sensor Range |
+1 Sensor Range | +1 Research | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +5 Research | +1 Research
+1 Wealth |
Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+5 Social +0.2% Influence Per Turn |
+0.02 Approval | +1 Influence | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Max Manufacturing | +0.03% Colony Gross Income | +1 Military | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+2 Control Per Turn |
+1 Military | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+3 Intelligence |
+2 Research | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+1 Research |
+0.03% Research | +1 Research | Quantum Processor required
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+1 Max Manufacturing |
+1 Manufacturing | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+3 Research |
+1 Research | +1 Research | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.2% Growth |
+0.03% Growth | +3 Research | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+1 Diplomacy |
+1 Diplomacy | +2 Influence | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.01% Research |
+0.1% Research | +3 Research | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+.20 Soldiering |
+0.1 Soldiering | +3 Military | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+-0.5 Crime |
+1 Military | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.25% Influence Per Turn |
+3 Influence | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +2 Maintenance
+3 Social +3 Intelligence +3 Diligence |
+1 Influence | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +2 Maintenance
+1 Research |
+1 Research | +2 Research | Unavailable
Requires Tales of Centauri DLC |
|
-200 Manufacturing Cost | +1 Maintenance | +0.01 Approval | +3 Military | Unavailable
Requires Tales of Centauri DLC |
 |
-200 Manufacturing Cost | +1 Maintenance
+1 Max Manufacturing |
+1 Manufacturing | Unavailable
Requires Tales of Centauri DLC | |
 |
-200 Manufacturing Cost | +1 Maintenance
+0.10 Approval |
+0.1 Approval | +1 Military | Unavailable
Requires Tales of Centauri DLC |
 |
-100 Manufacturing Cost | +2 Maintenance
+.15 Soldiering |
+0.05 Approval | +2 Military | Unavailable
Requires Tales of Centauri DLC |