Welcome to Apolyton CS: CTP's Tile Improvements Reference Sheet! The first table below details the types of improvements available for terrain development in CTP. The second is a chart of Tile Improvements related to food.
(Information Courtesy BradyGames)
| Type | Cost | Bonus |
| Farms | 200 | +5 Food |
| Advanced Farms | 500 | +15 Food |
| Hydroponic Farms | 1,400 | +25 Food |
| Nets | 200 - 400 | +5/10 Food |
| Fisheries | 500 - 900 | +15/30 Food |
| Automated Fisheries | 1,400 - 2,000 | +25/50 Food |
| Food Pods | 600 | +20 Food |
| Food Modules | 1,400 | +40 Food |
| Food Tanks | 2,200 | +60 Food |
| Mines | 300 - 400 | +5/10/15 Production, +5 Gold |
| Advanced Mines | 800 - 1,000 | +10/20/30 Production, +5/10 Gold |
| Mega Mines | 1,600 - 2,200 | +15/30/45 Production, +5/15 Gold |
| Undersea Mines | 400 - 600 | +30/40/50 Production, +5 Gold |
| Advanced Undersea Mines | 1,000 - 1,400 | +60/80/100 Production, +10 Gold |
| Mega Undersea Mines | 2,200 - 2,800 | +90/120/150 Production, +15 Gold |
| Assembly Bays | 600 | +30 Production, +5 Gold |
| Advanced Assembly Bays | 1,400 | +60 Production, +10 Gold |
| Mega Assembly Bays | 2,200 | +90 Production, +15 Gold |
| Roads | 60 - 400 | Movement Cost 1/3 |
| Railroads | 120 - 800 | Movement Cost 1/5 |
| Maglevs | 240 - 1,600 | Movement Cost 1/10 |
| Undersea Tunnels | 1,200 - 2,400 | Movement Cost 1/10, Allows Land Units to Move in Water Tiles |
| Listening Post | 1,000 | Vision 8 |
| Radar Station | 1,000 | Vision 1, Radar 25 |
| Sonar Buoy | 150 | Vision 1, Spots Submarines |
| Air Base | 1,000 | Vision 2, Radar 3, Refuels Air Units, Paradrop |
| Fortification | 1,000 | Vision 2, +150% Defense |
| Improvement | Cost | Terrain | Turns to Complete | Food Production Increase |
| Advanced Farms | AGRICULTURAL REVOLUTION + 500 PW | Irrigated Desert,Plain, Grassland | 2 | 15 |
| Automated Fisheries | ROBOTICS + 1,400-2,000 PW | Various Sea Terrain | 2 | 25/50/60 |
| Farms | AGRICULTURE + 200 PW | Irrigated Desert, Plain, Grassland | 2 | 5 |
| Fisheries | OCEAN FARING + 500-900 | Various Sea Terrain | 2 | 15/30/40 |
| Food Modules | ASTEROID MINING +1,400 PW | Space | 2 | 40 |
| Food Pods | SPACE COLONIES + 600 PW | Space | 2 | 20 |
| Food Tanks | GENETIC TAILORING + 2,200 PW | Space | 2 | 60 |
| Hydroponic Farms | SMART MATERIALS + 1,400 | Desert, Plain, Grassland | 2 | 25 |
| Nets | SHIPBUILDING + 200-400 | Various Sea Terrain | 2 | 5/10/20 |
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