upgrades increase either damage or cooldown rate (can re-use in fewer turns). The Ion Cannon, with extensive upgrades, is EXTREMELY powerful. You will need to build the Wonder along with researching this technology to enable the wonder's benefit. Nukes receive an increase to damage, while unlocking more advanced ones as you upgrade. The missile upgrade gives you increases of attack power, and same as the nuke upgrade unlocks more advanced missiles as you go along. Note that paratroopers aren't targeted by the regular AA Gun. The Air Defense upgrade increases the defensive power of the Anti-Aircraft Guns that you build. Combining this with the supply skill on commanders, along with air raid skills can be very effective in creating defensive perimeters.

+8, for example, means all units inside of any city will receive an 8 health plus the city's natural supply per turn that they remain in the city. Supply increases the health regeneration of your units while standing idle inside a city. Note that the upgrades to your INFANTRY technology affects the damage of these para-trooped units, but NOT their veterancy, they will remain at base veterancy level. You start off with the Light Infantry, then the Assault Infantry, then the Motorized Infantry and then finally the Commando. The last one upgrades the TYPE of unit you are para-dropping. Upgrading Aircrafts will take turns upgrading one of the few aspects, these consist of the aircraft's damage, which affects the damage done by your air raids, the range of your air raids, or your paratrooper level. Naval Units likewise with the first three upgrades increases the damage, shield penetration, and occasionally the starting level of these units. Fortress Fortress UpgradeĪll upgrades will grant one of the Fortress unit a higher level when placed, giving more HP. The previous max level of these techs was 12 whereas the max level is now 16, which also implemented increased march stats.

Infantry, Artillery and Armored upgrades increases damage and shield penetration, and on certain levels will increase the starting level of these units.

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