Observation
Enables further expansion of the Watchtower in the Ancient Age.
|
Ancient • Classical • Feudal • Renaissance • Imperial • Industrial • Modern • Future |
| Buildings | |
| Military |
Warfare • Troop housing • Observation |
| Resource | |
| Obsolete |
Barracks • Craftsmanship • Farm • Forestry • Library • Lookout Post • Parade Ground • Quarry • Storehouse • Village Centre • Hardened spears • Spearman • Sport • Improved irrigation • Philosophy • Religion |
| Buildings |
• Armoury • Blacksmith • Currency • Expert masonry • Fishing • Forest construction • Mine • Plaza • Reconnaissance • Sawmill |
| Military |
Agile boots • Archer • Ballista • Chevalier • Flaming Archer • Gladii • Hardened Swords • Knight • Phalanxes • Polyboli • Re-Curve Bowman • Riding Technique • Ritter • Scorpio • Swordsmanship |
| Resource |
Clearcutting • Improved drainage • Iron working • Manure • Mine carts • Monocropping • Springboards • Stone saws • Tilling |
| Other | |
| Buildings |
Capitol • Cottage • Hill Construction • Stone Mason • Stone Road • Tax Office • Town Hall • Training Yard |
| Military |
Agincourt Bowmen • Catapults • Crusaders • Halberdiers • Hardened Arrows • Horsemen • Knight Training • Longbowmen • Mangonel • Master Archer • Onager • Pikemen • Pollaxers • Rations • Supply Chain • Templars • Torsion Ballista |
| Resource |
Box Mining • Fishing Weir • Hematite Enrichment • Metallurgy • Room And Pillar Mining • Selective Logging • Smelting • Timber Management |
| Culture | |
| Other |
Bartering • Caravans • Governance II • Revenue • Taxation |
| Buildings |
Architecture • Customs House • Engineering • Foundry • Market • Recruitment Office • University • Warehouse |
| Military |
Arbalest • Bowmanship • Commandeering • Conditioning • Couillard • Crossbowman • Demi-Lancer • Explorer • Firebrand • Gendarmes • Horse Breeding • Incendiary Missiles • Logistics Corps • Pikeman Training • Repeating Crossbow • Trebuchet |
| Resource | |
| Culture |
Education • Fine Art • High Fashion • Humanism • Literature • Scientific Revolution • Social Reform • Opulence |
| Other |
Exploitation • Governance III • Logistics • Progressive Taxation • Redistribution • Representation • Repricing • Secure Transit • Tallage |
| Buildings |
Academy • Apartment • Blueprints • City centre • Coal Mine • Coke Furnace • Factory • Farmland Construction • Gunsmith • Optical Surveyance • Processing plant • Watchtower |
| Military |
Basic Training • Cannon • Cavalryman • Combat Training • Conscription • Dragoons • Falconet • Grenadiers • Hardened Bolts • Hussars • Long Gun • Musketman • Redcoat • Seigniorage |
| Resource | |
| Culture |
Antiquities • Capitalist Agenda • Expansionist Theory • Imperialism • Public House • Theatre |
| Other |
Governance IV • Improved Production Methods • Income Tax • Manufacturing • Railroad • Subsidisation • Sustainability |
| Buildings |
Army Fort • Bank • Desert Construction • Oil Well • Refinery |
| Military |
Artillery • Cavalry Theory • Commando • Field Gun • Field Medic Training • Flintlock Muskets • Howitzer • Marksman • Mortars • Officer Training • Resocialization • Rifleman |
| Resource |
Anthracite Enrichment • Longwall Mining • Opencast Mining • Prospecting • Pumpjack |
| Culture | |
| Other |
Cotton Mill • Governance V • Industrial Revolution • Machine Tools • Sales Tax • Tax Policy • Trade Unions • Urbanisation • Windfall Profits Tax |
| Buildings |
Aerodrome • Aluminum Plant • Bauxite Laboratory • Metropolis • Research Facility • Shopping Centre • Vehicle Bay |
| Military |
Assault Rifle • Attack Chopper • Bomber • Explosive Shells • Fighter • Flak Cannon • Infantry Fighting Vehicle • Infantryman • Marines • Nebelwerfer • Panzergrenadiers • Rocket Artillery • Special Forces Training • Tank • Tank Hunter |
| Resource | |
| Culture | |
| Other |
Air Freight • Cargo • Corporation Tax • Governance VI • Governance VII • Inheritance Tax • Mass Production • Mechanisation • Pigovian Taxes • Poll Tax • Recycling |
| Buildings |
Commercial Building |
| Military |
Interceptor • Interceptor Railgun • Laser Weapons • Magnetic Acceleration • Medibots • Mobil SAM Battery • NGAD • Sonic Superpositioning • Uranium Shells • VTOL |
| Culture |
Artificial Intelligence • Artificial Photosynthesis • Augmented Cognition • Augmented Reality • Phased Array Optics • Quantum Computing • Quantum Dots • Semantic Web • Ubiquitous Connectivity • Virtual Worlds • Web 3.0 |
| Other |
3D Printing• Air Tax• Carbon Nanotubes • Connectivity Tax • Freedom Tax • Governance VIII • Governance IX • Ministry of Plenty • Perpetual Inflation • Synthetic Genetics • Wireless Energy Transfer |