GC4 Homeworld Improvements Table
| Improvement | Production Cost | Base Effects | Level Effects | Adjacency Level Bonuses | Requirements |
|---|---|---|---|---|---|
 A comprehensive mental health and well-being program designed to help humanity adapt to the new reality of interstellar relations and the challenges of space colonization. |
-200 Manufacturing Cost | +1 Maintenance
+0.15 Approval |
+0.05 Approval | +1 Wealth
+1 Approval |
Unavailable
Requires Tales of Centauron DLC |
 A specialized task force focused on maintaining public order, ensuring civil stability, and addressing societal disruptions in the wake of our transition to an interstellar community. |
-200 Manufacturing Cost | +1 Maintenance
+-0.1 Crime +0.05 Approval |
+-0.05 Crime | +2 Military
+1 Manufacturing |
Unavailable
Requires Tales of Centauron DLC |
 Harnessing the economic opportunities to increase population social skills. |
-200 Manufacturing Cost | +10 Social | +0.05% Colony Gross Income
+1 Social |
+1 Military
+3 Wealth |
Unavailable
Requires Tales of Centauron DLC |
 A worldwide celebration of the glory of the Arcean people. |
-200 Manufacturing Cost | +1 Maintenance
+0.25 Approval |
+0.02% Colony Gross Income | +3 Wealth | Unavailable
Requires Tales of Centauron DLC |
 Increases the ratio the population that have a citizen representative. |
-200 Manufacturing Cost | +1 Maintenance
+0.33% Growth +3 Population Cap |
+0.03% Colony Gross Income | +1 Wealth | Unavailable
Requires Tales of Centauron DLC |
 Increases planetary defense and foreign influence resistance. |
-200 Manufacturing Cost | +1 Maintenance
+0.5 Resistance Bonus |
+0.05 Resistance Bonus | +1 Military | Resistance Center required
Requires Tales of Centauron DLC |
 Greatly increases the sensor range of this world. |
-200 Manufacturing Cost | +1 Maintenance
+10 Sensor Range |
+1 Sensor Range | +1 Research | Unavailable
Requires Tales of Centauron DLC |
 A stockpile of advanced Drengin technology left over from the invasion. |
-200 Manufacturing Cost | +5 Research | +1 Research
+1 Wealth |
Unavailable
Requires Tales of Centauron DLC | |
 A broad-based effort to reinvigorate our cultural heritage. |
-200 Manufacturing Cost | +1 Maintenance
+5 Social +0.2% Influence Per Turn |
+0.02 Approval | +1 Influence | Unavailable
Requires Tales of Centauron DLC |
 Labor camps filled with slaves working for our glory. |
-200 Manufacturing Cost | +1 Max Manufacturing | +0.03% Colony Gross Income | +1 Military | Unavailable
Requires Tales of Centauron DLC |
 An expansive network of surveillance focused on preemptive identification and suppression of dissenting elements within the society. |
-200 Manufacturing Cost | +1 Maintenance
+2 Control Per Turn |
+1 Military | Unavailable
Requires Tales of Centauron DLC | |
 Connects the minds of Yor increasing their intelligence. |
-200 Manufacturing Cost | +1 Maintenance
+3 Intelligence |
+2 Research | Unavailable
Requires Tales of Centauron DLC | |
 Allows core worlds to increase their processing power for greater research. |
-200 Manufacturing Cost | +1 Maintenance
+1 Research |
+0.03% Research | +1 Research | Quantum Processor required
Requires Tales of Centauron DLC |
 An automated industrial complex that auto generates its own resources. |
-200 Manufacturing Cost | +1 Maintenance
+1 Max Manufacturing |
+1 Manufacturing | Unavailable
Requires Tales of Centauron DLC | |
 A vault of wisdom from bygone eras containing ancient lore. |
-200 Manufacturing Cost | +1 Maintenance
+3 Research |
+1 Research | +1 Research | Unavailable
Requires Tales of Centauron DLC |
 By digitizing knowledge, greatly increase our population growth. |
-200 Manufacturing Cost | +1 Maintenance
+0.2% Growth |
+0.03% Growth | +3 Research | Unavailable
Requires Tales of Centauron DLC |
 The central nexus for interstellar relations increasing our diplomacy ability. |
-200 Manufacturing Cost | +1 Maintenance
+1 Diplomacy |
+1 Diplomacy | +2 Influence | Unavailable
Requires Tales of Centauron DLC |
 A revered convocation hall where the wisdom of the ages is convened to guide the future of the civilization. |
-200 Manufacturing Cost | +1 Maintenance
+0.01% Research |
+0.1% Research | +3 Research | Unavailable
Requires Tales of Centauron DLC |
 A specialized facility dedicated to honing the skills increasing our soldiering ability. |
-200 Manufacturing Cost | +1 Maintenance
+.20 Soldiering |
+0.1 Soldiering | +3 Military | Unavailable
Requires Tales of Centauron DLC |
 A sanctuary safeguarding the ancient traditions and legendary tales of dragons bringing our people together and eliminating crime. |
-200 Manufacturing Cost | +1 Maintenance
+-0.5 Crime |
+1 Military | Unavailable
Requires Tales of Centauron DLC | |
 A sacred place dedicated to intellectual and spiritual growth increasing the influence of our world. |
-200 Manufacturing Cost | +1 Maintenance
+0.25% Influence Per Turn |
+3 Influence | Unavailable
Requires Tales of Centauron DLC | |
 A secluded retreat for the mystically inclined, where ancient magics and esoteric knowledge converge. |
-200 Manufacturing Cost | +2 Maintenance
+3 Social +3 Intelligence +3 Diligence |
+1 Influence | Unavailable
Requires Tales of Centauron DLC | |
 An assembly of the wisest individuals tasked with preserving and imparting knowledge, offering counsel on matters of great importance. |
-200 Manufacturing Cost | +2 Maintenance
+1 Research |
+1 Research | +2 Research | Unavailable
Requires Tales of Centauron DLC |
A sinister shrine dedicated to the glorification of conflict resulting on all ships constructed here being veterans. |
-200 Manufacturing Cost | +1 Maintenance | +0.01 Approval | +3 Military | Unavailable
Requires Tales of Centauron DLC |
 These efficient camps convert sub-Drengin species into valuable nutrients and other resources to fuel our cleansing of the universe. |
-200 Manufacturing Cost | +1 Maintenance
+1 Max Manufacturing |
+1 Manufacturing | Unavailable
Requires Tales of Centauron DLC | |
 An arena where our thralls fight and die for our amusement. |
-200 Manufacturing Cost | +1 Maintenance
+0.10 Approval |
+0.1 Approval | +1 Military | Unavailable
Requires Tales of Centauron DLC |
 Turns our weaklings into formidable soldiers. |
-100 Manufacturing Cost | +2 Maintenance
+.15 Soldiering |
+0.05 Approval | +2 Military | Unavailable
Requires Tales of Centauron DLC |